medical entrance questions

Thursday, July 17, 2008

BIOLOGY


1. The flow of protons and synthesis of ATP are coupled in

a. ATP synthases b. ATP hydrolases c. ADP phosphorylases d. ATP polymerases

2. The products of Hill reaction are

a. PGAL & CO2 b. NADPH & O2 c. NADH & ATP d. Glucose & ATP

3. Sex chromosomes are generally called a. autosomes b. atroph c. autotroph d.

allosomes

4. In f x 174, the genetic material is

a. single standard RNA b. double stranded DNA c. single stranded DNA d. both

DNA & RNA

5. A river mouth ecosystem is called a. lentic b. estuary c. lotic d.

marine

6. DDT was discovered by a. Alec Jeffreys b. Jeffery Archer c. Howard Temin

d. PaulMuller

7. The Minimata disease was first detected in a.Japan b. USA c. China d.
Russia

8. Establishment of national parks, sancturies and bio­sphere reserves is a method of

a.ex situ conservation b. Terracing c. In situ conservation d. Mulching

9. Purple sulpher bacteria is

a. phototropnic b. chemotrophic c. nitrogen fixing d. heterotrophic

10. A unicellular ascomycete is a. Agaricus b. Saceharomyces c. Asperglillus d.
Penicillium

11. The amphibians of plant kingdom are a. Algae b. Pteridophyta c. Bryophyta d.

Phanerogams

12. The number of integuments covers the ovule in Pinus is a. two b. one c.

four d. three

13. The androecium in cucurbita is

a. syngenesious b. versatile c. polyadelphous d. synandrous

14. Basal placentation is seen in a. Hibiscus b. Primula c. sunflower d. Pea

15. Sylviculture is cultivation of

a. crops b. rare plants c. forest trees d. ornamental plants

16. Tocopherol, constitutes the compounds of

a. vitamin B b. vitamin K c. vitamin B d. vitamin E

17. Eukaryotic mitochondria contains ribosomes formed of

a. 30 s and 40 s b. 40 s and 50 s c. 30 sand 50s d. 40s and 60s

18. The X-shaped structures produced during meiosis I are

a. Chiasmata b. bivalents c. stomata d. stigmata.

19. The wavelength more effective in photosynthesis is

a. 700 nm b. 640 nm c. 440 nm d. 680 nm

20. Pantothenic acid is a component of a. NAD+ b. Coenzyme A c. NADP* d. PEPA

21. The ccllwalls of guard cells are a. uniformly thin b. uniformly thick

c. made of suberin d.thinner on the innerside e. thicker on the innerside

22. The albuminous cells of gymnosperms can be compared to

a. vessels b. companion cells c. sieve tubes d. sieve elements e. sieve cells

23. A fermentation product of grapes using Saceharomyces is called

a. whey b. rum c. beer d. wine e. adjunet

24. A false statement about auxins is that a. it is involved in cell division b. it

controls abscission c. it inhibits growth of apical buds d. it prevents premature

fall of flowers e. it induces parthinocarpy

25. The part of the flower to be removed during emasculation is

a. anther b. stigma c. ovule d. sepal e. petal

26. The plant showing complete absence of roots is

a. Hydrilla b. Utricularia c. Pistia d. Azolla e. Vallisneria

27. The pH of ground water is lowered by

a. smoke b. smog c. acid rain d. green house effect e. sewage

28. Match the terms given in column A with those given in column B

Column A Column B

1. Silent valley A. Bandipur

2. Tiger project in Karnata B. Bharat pur

3. Rhinoceros C. Tropical rain forest

4. Assemblage protection D. Kaziranga

a. 1-C; 2-A; 3-D; 4-B b. 1-A; 2-B; 3-C; 4-D c. 1-B; 2-A; 3-C; 4-D d.1-C; 2-D; 3-A; 4-B

e.1-D; 2-C; 3-B; 4-A

29. The part of Nostoc that contains nitrogenase enzyme is
a. vegetative cell b. akinite c. hormogonia d. trichome e. heterocyst

30. The much branched filamentous structure that growsout of a spore in Porytrichum is

a. prothallus b. germling c. hypha d. protonema e. rhizoid


31 . Cytosine differs from cysteine in that the former is a. a pyrimidine and latter an

aminoacid

b. a purine and latter an aminoacid c. is an aminoacid and latter a pyrimidine


d. an aminoacid and latter a purine e. cytosine is directly involved in protein synthesis

32. Avena curvature tests were conducted by

a. Boysen - Jensen b. F.WWent c. Thimann d. Blackman e. Yabuta

33. Tyloses are found in the a. Xylem elements of alburnum b. Phloem
elements
c. Xylem elements of duramen d. Cork cells of phellum e. cells of penderm


34. Histone is a. an aminoacid b. a polymer of glucose c. a fat d. a purine e.

a protein
35. Collateral, conjoint and closed vascular bundles are characteristic features of


a. monocot stem b. dicot stem c. dicot root d. monocot root e. bicollateral vascular

bundle

36. Indo acetic acid is a derivative of

a. tyrosine b. threonine c. tryptophan d. thymine e. abstisicacid

37. Auxanometer is used in measuring the rate of

a. respiration b. growth c. photosynthesis d. transpiration e. imbibition of water

38. The disease that belongs to the same category as color­blindness in man is

a. night blindness b. Tuberculosus c. Diabetes d. haemophilia e. Typhoid

39. Clove is a a. fruit b. flower c. seed d. seed coat e. dry
flower bud

40. The false fruit among the following is

a. pear b. sapota c. orange d. melon e. mango

41 . The inducer in the operon concept is

a. galactosidase b. glucose c. permease d. lactose e. sucrose

42. Sorosis is developed from a. cyathium b. raceme c. catkin d.
hypanthodium e. thyrsus

43. Soredia are produced by

a. Nostoc b. Agaricus c. Diatom d. Riccia e. lichen

44. In a lotic ecosystem phytoplankton represent the

a. decomposers b. microproducers c. consumers d. herbivore e. carnivore

45. Bulliform cells help in

a. rolling of the leaf b. closure of stomata c. opening of stomata d. photosynthesis

e. respiration

46. The inheritance of ABO blood group is regulated by a. incomplete dominance

b. recessive alleles c. Sex-linked genes d. codominant genes e. complete dominance

47. Reverse transcriptase helps in

a. formation of DNA from RNA template b. formation of RNA from DNA template

c. DNA replication d. protein synthesis e. glycolysis

48. The initiation codon in protein synthesis is

a. UAG b. AUG c. UAA d. UGA e. AAA

49. The continuity of sieve tubes and companion cells is maintained by

a. lenticels b. stomata c. plasmodcsmata d. pits e. pores

50. Herkogamy is an adaptation a. to favour cross pollination

b. to favour self pollination c. of stems d. of leaves e. for hydrophylly

51 .Wilting is a phenomenon associated with

a. exosmosis b. endosmosis c. absorption d. imbibition e. osmosis

52. When a monohybrid or dihybrid is crossed with a recessive parental type ,the cross is called

a. back cross b. linkage c. poly genic inheritance d. test cross e. crisscross

53. Anomalous secondary thickening is seen in


a. Sun flower b. Shoe flower c. Cleome d. Lucas e. Dracaena

54. The absorbing surface of roots is increased by

a. Pith b. Pith rays c. root hairs d. Xylem e. Phloem

55. A stetch of DNA contains 150 adenine and 150 cytosine base pairs. The total number of
nucleotides in the DNA fragment would be a. 150 b. 600 c.

300 d. 100 e. 800

56. Mutations in plants and animals cannot be induced by

a. radio waves b. X-rays c. gamma rays d. U-V radiation e. mutagen

57. When the ovary of a flower matures it becomes a

a. seed b. an embryo c. an ovule d. a fruit e. an egg
5
8. Genetic engineering makes use of

a. algae b. fungi c. bacteria d. bryophyta e. pteridophyta

59. Carriers of colour blindness are always

a. men b. women c. insects d. plasmids e. men and women


60. Passage cells are found in a. epidermis b. cortex c. pericycle d. pith e. endodermis


1. c 2. d 3. a 4. a 5. b 6. a 7. b 8. b 9. a 10. c 11. c 12. b 13. c
14. a 15. c 16. a 17. a 18. c 19. d 20. a 21. b 22. a 23. c 24. a 25. a 26. c
27. b 28. d 29. c 30. b 31. a 32. b 33. b 34. a 35. a 36. c 37. b 38. c 39. a 40. b 41. b 42. c 43. c 44. c 45. d 46. b 47. a 48. c 49. a 50. d

Wednesday, July 2, 2008

ZOOLOGY

1. Arthropods of Commercial importance are

a. Palaemon and Oryct b. Palaemon and Leptocorisa

c. Palaemon and Penaeus d. Palaemon’and Sarcoptes

2. The secretion of .... forms a protective case around the fertilized eggs of Cockroach.

a. Conglobate gland b. Collateral gland c. Mushroom gland d. Genital pouch

3. Pick out the insect which helps in cross pollination?

a. Honeybees b. Lepsima c. Mosquito d. Housefly

4. Out of the nine pairs of fused ganglia of Cockroach

a. Two are thoracic and the rest abdominal b. Four thoracic and rest abdominal

c. Three thoracic and rest abdominal d. Four abdominal and rest thoracic

5. Life history of Cockroach involves

a. Direct development and incomplete metamorphosis

b. Direct development and complete metamorphosis

c. Indirect development and incomplete metamorphosis

d. Indirect development and complete metamorphosis

6. The light sensitive part in an ommatidium in Cockroach is a rod called

a. Taenidia b. Rhabdome c. Cornea d. Microvilli

7. In Cockroach, the touch receptors are abundant on the

a. Antenna b. Palps c. Legs d. All the above

8. Ommatidia in cockroach are the structural unite of

a. Compound eyes b. Respiratory system c. Excretory system

d. Reproductive system

9. The other name for mushroom shaped gland in Cockroach is

a. Phallic gland b. Utricular gland c. Conglobate gland d. Collateral gland

10. Exoskeletal plates surrounding the genital pouch of Cockroach are

a. Conapophyses b. Texga c. Sterna d. Pleura

11. Fertilized eggs of honeybees develop in to

a. Drones and workers b. Queens and workers c. Drones and Queens

d. Drones, workers and Queens

12. Spermatheca in female cockroach is meant for

a. Storing sperms received from male during copulation b. The deposition of eggs

c. Transforming sperms to female Cockroach d. Carrying the eggs

13. The last abdominal ganglion is formed by the fusion of last ...ganglia of the abdominal

segments.

a. M b. 6 c. 5 d. 3

14. Pick out the wrong statement.

a. Moults six or seven times to become an adult b. Takes a year to become an adult.

c. When adult develops, the wings and gonads mature

d. Nymph takes just a month to become an adult

15. Cephalothorax in prawn is formed by the fusion of .... segments.

a. 10 b. 11 c.13 d. 14

16. The appendages which aids in feeding in Prawn are the

a. Maxilipeds b. Peraeopoda c. Pleopods d. Uropods

17. Conapophyses is found in .... of Cockroach.

a. Male b. Female c.‘a’ and ‘b’ d. Is absent

18. The appendages used for swimming in prawn are the

a. Maxillipeds and peraeopods b. Peraeopods and Pleopods

c. Pleopods and Uropods d. Maxillipeds and Uropods

19. Which one of these structures is absent in a male cockroach

a. Phallic gland b. Mushroom gland c. Ejaculatory duct d. Collateral gland

20. Crustacea are distinguished from insects and myriopods by the presence of

a. First pair of antennae b. Second pair of antennae c. Number of legs

d. Jointed appendages

21. Prawns are included in the class

a. Insecta b. Crustacea c. Arachnida d. diplopoda

22. Which of the following groups show polymorphism?

a. Honeybees b. Mosquitoes c. Lepsima d. Housefly

23. Point out the correct statement. In Prawn

a. Tergal plates of the cephalothoracic region fuse to form the dorsal shield

b. Dorsal shield has a rostrum at the anterior end

c. At the base of the rostrum are the stalked compound eyes d. All the above

24. In Cockroach, fluid excretory products is discharged to the outside by way of the gut

because It can

a. Absorb excretory materials more easily b. Absorb water from the excretory fluid

c. Eliminate excretory material rapidly d. All the above

25. The number of eggs in an ootheca of Cockroach is

a.4 b. 8 c. 12 d. 16

26. Termitaria is the term used for the

a. Colonies of the termites b. Gallaries inside the mounds of earth

c. A group of termite workers d. Queen of the termite colony

27. ....... of Rice bugs, such the juice from grains when they are in the milky stage to turn it into

shaff

a. Adult males b. Females c. Adults and nymphs d. Only nymphs

28. Drones are ............ organism

a. Haploid b. Diploid c. Tetraploid d. Triploid

29. Millipedes are mainly

a. Carnivorous b. Herbivorous c. Frugivorous d. All the above

30. Which one of the following is

a. Mosquito b. Termile c. Honeybee d. House fly

31. .... is associated with the production Of natural silk.

a. Glossina palpalis b. Apis Indica c. Bombyx mori d. Musca domestica

32. ......... are wingless and blind termites.

a. Queen b. B. King c. Soldiers d. D. Workers

33. The common domesticated bee is the

a. Apis dorsata c. Apismellifra b. Apis indica d. Apis florea

34. The ‘Royal Jelly’ of the bees is food given to

a. The larvae that has to develop into a queen

b. The larva that has to develop into males (drones) and the future queen

c. All the larva irrespective of its future destiny

d. The larva that has to develop into fertile males

35. ...........is used for the manufacture of cosmetics and candies.

a. Honey b. Bee-wax c. Silkworms d. None of these

36. ..... is the common coconut pest.

a. Locusta b. Leptocorisa c. Oryctes d. Nila

37. ...... destroys wood work, carpet, books, etc.

a. Leptocorisa c. Orctes b. Odontoterms d. Wriggler

38. The young one of a termite is known as

a. Larva b. Nymph c. Worm d. Maggot

39. Treating the cocoons of the silkworm in boiling water or steam is known as

a. Stifling b. Treating c. Spinning d. All the above

40. Pick out the wrong statement

a. Honeybees are social insects

b. Drones, workers and a queen are the member’s ofhoneybee colony

c. Workers in a honeybee colony are sterile

d. Queen is the only fertile female in a honeybee colony.

41. Rice bug belongs to the Order ... under the Classinsects.

a. Homoptera b. Isoptera c. Hemiptera d. Coleoptera

42. The biological term for the Rice bug is

a. Leptocorisa varicornis b. Bombyx mori c. Apis indica d. Clossina palpalls

43. Itch mite is not an insect because it has

a. 2 pairs of legs b. 3 pairs of legs c. 4 pairs of legs d. Large number of legs

44. The pollen basket in Apis is used to

a. Pollinate flowers b. Store honey and pollen c. Take pollen to the comb

d. Feed the larva

45. Spirostreptus belongs to the class

a. Chilopoda b. Insecta c. Diplopoda d. Arachnida

46. Odoriferous glands are characteristically present in

a. Millipede b. Centipede c. Scorpions d. Spiders

47. Pick up the wrong statement.

a. Like in honeybeen colony, the only fertile female is the queen in the termite colony

b. As in the honeybee colony, no males remain the colony

c. Unlike the honeybees, a fertile male called the king remains in the colony .

d. Similar to the queen of honeybee, the termite queen’s job is only to lay eggs

48. Maxillae of the two sides fuse to form a median structure in a Millipede, which is called the

a. Labium b. Labrum c. 2nd maxilla d. Cnathochilarium

49. Select the function of workers in a colony of honeybees.

a. Construction, repairing and maintenance of the hive

b. Production of honey and wax c. Defence and protection ofthe colony d. All the above

50. Sarcoptes scabel is an

a. Insect b. Itchmite c. Millipede d. Centepede


ANSWERS


1. c 2. c 3. a 4. c 5. a 6. b 7. d 8. b 9. b 10. a

11. b 12. a 13. c 14. d 15. c 16. a 17. c 18. c 19. d 20. c

21. d 22. a 23. d 24. b 25. d 26. b 27. c 28. a 29. b 30. c

31. c 32. c 33. b 34. a 35. b 36. c 37. b 38. b 39. a 40. c

41. c 42. a 43. c 44. c 45. c 46. a 47. b 48. d 49. d 50. b

PHYLUM ARTHROPODA

PHYLUM ARTHROPODA

1. Hard, shell like cuticular secretion from the ectodermal layer is a characteristic feature of

a. Platyhelminthes b. Annelida c. Arthropoda d. Nematoda

2. The wings which aids in flight is attached to .... in a Cockroach .

a. protothorax b. Mesothorax c. Metathorax d. Ist obdominal segment

3. Of all known animal species, Arthropoda is said to occupy ... of animal kingdom.

a. 25% b. 50% c. 80% d. 40%

4. Tergum and Sternum of the abdominal segments of a cockroach are connected laterally by a

membrane called

a. Trachea. b. Furca c. Pleura d. Sclerite

5. This is not an Arthropodan larva.

a. Trochophore b. Nauplius c. Caterpillar d. Maggot

6. The perivisceral cavity of Arthropoda is a

a. Pseudocoel b. Haemocoel c. ‘a’ and ‘b’ d. Neither ‘a’ nor ‘b’

7. Select one related to Cockroach based on the number of walking legs.

a. Arthropoda with four pair of legs b. Arthropoda with five pairs of legs

c. Arthropoda with numerous legs

8. Cockroach is

a. Nocturnal b. Diurnal c. Parasitic d. Aquatic

9. Striated muscles is found in

a. Platyheminthes b. Nematoda c. Annelida d. Arthropoda

10. Growth taking place periodically by sheeding of old cuticle is termed as .

a Ecodysis b. Instar c. Rejuvenation d. Parthenogenesis

11. Anal cerci are seen in

a. A male Cockroach
b. A female Cockroach c. Both male and female Cockroaches

d. Neither male nor female Cockroach

12. Arthropode differ from Annelids in having

a. No cilia b. Striated muscles c. Haemocoelie sinuses d. All the above

13.The modification of the thoracic appendages to perform various functions in Arthropods

indicate that it is of

a.Very low degree of adaptation b.Very low diversification c.High degree of

adaptation d.None o f these

14. Which one of the following is not an Arthropodan character ?

a. Jointed foot b. Movable jaws c. Segmented body d. Closed circulatory system

15. Name the excretory organs removing nitrogenous wastes in Arthropods.

a. Kidney b. Cuticle c. Malpighian tubules d. ‘b’and ‘c’

16. Respiratory organs of Arthropoda are

a. Trachea b. Branches c. Book lungs d. All the above

17. The body of a cockroach is divisible into

a. Cephalothorax and abdomen
b. Head, thorax and abdomen

c. Head and Trunk d. Prosoma, Mesosoma and Metasoma

18. Externally segmented body with chitinous cuticle is a distinctive character of

a. Annelids b. Molluscs c. Platyhelminthes d. Arthropoda

19. The elytra in Cockroach is

a. A segment in the leg
b. First pair of wings c. A segment in the thorax

d. A segment of the abdomen

20. Paired appendages, jointed and movable by muscles working inside is characteristic trait of

a. Annelida b. Arthropoda c. Mollusca d. Echinodermata

21.The trochanter is a small segment occupying a position between .... in a Cockroach leg. .

a. Coxa and Tibia b. Coxa and Femur c. Tibia and Femur d. Femur and Tarsus

22.The paired mouth parts of cockroach which are fused together to form a single structure is

the

a. Mandible b. Labrum c. First maxilla d. Second maxilla

23.Thoracic segments are .... in number in a cockroach

a. Three b. Five c.Six d. Seven

24. Arthropods are

a. Triploblastic, bilaterally symmetrical, metamerically segmented, joint footed

coelomate animals

b. Triploblastic, bilaterally symmetrical, metamerically segmented joint footed, acoelomate

animals

c. Triploblastic, bilaterally symmetrical, metamerically segmented joint footed

pseudocoelomate animals

d. Triploblastic, asymmetrical, metamerically segmented, joint footed coelomate animals.

25.The appendage of a Cockroach which is even longer than the body is the

a. Antenna b. First maxilla c. Leg d. Anal cerci

26. Excretion in Arthropods takes place by

a.Malpighian tubules or antennary gland or coxal gland and mainly by nephrida

b. Malpighian tubles or antennary glands or coxal glands or maxillary g;lands

c. Coxal glands or nephridia or anoebocytes d. None of these

27. Galea and Lacinia are structural modifications observed in ... of a Cockroach.

a. Mandible b. First Maxilla c. Hyporpharynx d. Labium

28. Proctodeum in a Cockroach is made, up of

a. Mouth, Oesophagus and Crop
b. IIeum,Colon and Rectum

c. Crop, Gizzard and IIeum d. Gizzard, IIeum and colon

29. Which of the following are true regarding the body cavity of a Cockroach?

a. Haemocoel containing blood b. In adults Coelon gets restricted only to excretory

organs and gonads c. Loose white tissue surrounding the internal organ is the fat

body d. All the above

30. A pair of triangular plates (representing the 10th and 11th sternum) lying below the 10th

tergum is called ... in a cockroach.

a. Podical plates b. Caeca c. Galea d. Lacinia

31. The thickest and hardest wall in the alimentary canal of Cockroach is that of

a. Crop b. Gizzard c. Rectum d. Buccal cavity

32. In Cockroach, Hepatic caeca occupies a position between the

a. Crop and Gizzard b. Gizzard and IIeum c. Gizzard and Midgut d. Mesenteron

and IIeum

33. In a Cockroach, the absorbed food is stored as reserve in the

a. Caecum b. Gizzard c. Fat bodies d. Colon

34. Cockroach is

a. Herbivorous b. Carnivorous c. Omnivorous d. Insectivorous

35. In Cockroach, a true perivisceral coelom is

a. Absent in all stages of life b. Present only during embryonic development

c. Present only during adulthood d. Present at all stages

36. The segment which facilitates the discharge of large egg capsule in a Cockroach is the ...

segment.

a. 8th b. 7th c. 10th d. 9th

37. In Cockroach, the number of spiracles is

a. 8 pairs b. 10 pairs c. 12 pairs d. 13 pairs

38. Pick out the wrong statement. In Cockroach,

a.Under normal conditions, the exchange of gases take place in the presence of fluid i n the
final tracheoles

b.Respiration can take place only when there is fluid in the end of tracheoles

c.During high metabolic activities, the exchange of gases takes place directly between the

tissues and the air in
the tracheoles

d. When the metabolic rate is increased, the fluid in the tracheoles gets absorbed by the

surrounding cytoplasm.

39. The long tubular heart of Cockroach is ... cha.mbered.

a. 10 b. 12 c. 13 d. 15

40. Ostia in the heart of a Cockroach

a. Prevents the blood from entering the heart

b. Prevents the blood to flow into the pericardium

c. Allows the blood to flow forward d. Allows the blood to flow backward

41. The function of Tracheae in Cockroach is to transport

a. CO2 b. O2 c. Air d. Moisture

42. The primary function of the haemocoelic flu id is to carry

a. Food and wastes b. Oxygen and CO2 c. Food and CO2 d. Food and Oxygen

43. Pick out the correct statement. In Cockroach, of the ten pairs of spiracles

a. One pair opens in the thorax and the rest in the abdomen

b. Three pairs open in the thorax and the rest in the abdomen

c. Two pairs are situated in the thorax and the rest in the abdomen

d. All the spiracles open in the abdomen

44. The blood of Cockroach

a. Contains only plasma and white corpuscles
b. Does not transport oxygen through it

c. Is colourless d. All the above

45. The thoracic stigmata in Cockroach are situated in the

a. Prothorax b. Mesothorax c. Meso and Metathorax d. Metathorax

46. Aorta open to the Haermocoel in the .... of a Cockroach.

a. Abdomen b. Head c. Thorax d. Prothorax

47.Nerves to Mandibles and Maxillae in Cockroach originates from the

a. Supra oesophageal genglion b.Sub oesophageal ganglion

c. Circum oesophageal connectives d. First thoracic ganglion

48.In Cockroach, ‘mushroom glands’ are associated with ... system.

a. Digestive b. Male reproductive c. Excretory d. Female reproductive

49. Excretion in Cockroach takes place with the help of

a. Malpighian tubules b. Certain amoeboid cells c. Few cells of the fat body

d. All the above

50. Mosaic vision in a Cockroach is concerned with the

a. Compound eye b. Simple eye c. ‘a’ and ‘b’ d. Neither ‘a’ nor ‘b’


ANSWERS

1. c 2. c 3. c 4. c 5. a 6. b 7. d 8. a 9. d 10. a

11. c 12. d 13. c 14. d 15. d 16. d 17. b 18. d 19. b 20. b

21. b 22. d 23. a 24. a 25. a 26. b 27. c 28. b 29. d 30. a

31. b 32. c 33. c 34. c 35. b 36. b 37. c 38. b 39.c 40. b

41. c 42. a 43. c 44. d 45. c 46. b 47. b 48. b 49. d 50. a

PHYLUM NEMATODA

PHYLUM NEMATODA

1. The stout rod like structure running into the body through each bundle of setae both in

Notopodium and Neuropodium is

a. Setae b. Aciculam c. Cirrus d. Lobe

2. Spermatheca in the earthworm are in the .... segments.

a. 7,8 and 9 b. 8,9 and 10 c. 9,10 and 11 d. 8, 10 and 12

3. Heteronereis is a ..... of Nereis.

a. Swimming sexual phase b. Asexual phase c. Different species d. All the above

4. In Polychaeta, the nature of setae is

a. Numerous b. Occur singly c. Occur in bundles d. Fused

5. Leech is devoid of

a. Suckers b. Setae c. Setae and parapodia d. All the above

6. The animal commonly known as ragworm or sandworm is

a. Megascolex b. Nereis c. Hirudinaria d. Pheretima

7. The number of segments in Leech is

a. 12 b. 33 c. 26 d. Numerous

8. In earthworm, the ovary is situated in the .... segment

a. 11 b. 12 c. 13 d. 14

9. The scientific name of common Leech is

a. Pheretima posthuma b. Haemodipsa granulosa c. Hirudinaria granulosa

d. Megascolex mauriti

10.Choose the wrong statement.

a. In Nereis, the head is distinct with prostomial and peristomial tentacles, palps and eyes.

b. In Pheretima, the head is indistinct, tentacles, palps and eyes absent

c. In Hirudinaria, the head is indistinct, anterior segments with peculiar eyes. No tentacles

and palps

d. Pheritima and Hirudinaria - as both are on land - are provided with eyes and tentacles, but

no palps

11.Anticoagulant found in the saliva of Leech is

a. Hirudin b. Heparin c. Plasmin d. Haemoglobin

12.Pick out the correct statement. Fertilization in

a. Nereis and Pheritima is external and both have cocoon

b. Pheritima and Hirudinaria is external and both have cocoon

c. Nereis and Pheritima is external where as in Hirudinaria internal. Only Pheritima and

Hirudinaria have cocoons

d. Nereis and Hirudinaria, internal and have no cocoon

13.Botryoidal tissue can be compared to the

a. Amoeboid cells in the coelom of the earthworm

b. Coelomic fluid in the sandworm

c.Chloragogen cells of the earthworm

d. It cannot be compared to any tissue

14.Locomotion is assisted by the

a. Parapodia in sandworm b. Setae in earthworm c. Suckers in Leech

d. All the above

15.Hirudinaria granulosa takes blood meals from

a. Human beings only
b. All types of vertebrates

c. Cold blooded vertebrates d. Warm blooded vertebrates

16.Select the blood sucking adaptation of Leech.

a. Presence of suckers and cutting pieces

b. Large crop with caecae for storing food

c. Hirudin as anticoagulant d. All the above

17. Leeches are ..... in habit

a. Sanguivorous b. Herbivorous c. Omnivorous d. Carnivorous

18. Pick out the false statement.
a. In Leech, the posterior sucker is for attachment and the anterior sucker for feeding

b. After a satisfactory feeding, a Leech can starve for more than six months

c. In Leech, the anterior sucker helps in attachment while the posterior sucker for feeding

d. Leech is a segmented, dorso ventrally flattened, blood sucking ectoparasite of warm blooded

vertebrates

19. Haemodipsa is a ..... Leech.

a. Marine b. Fresh water c. Land d. Fresh water and marine

20. The common IndianCattleLeeth is

a. Hirudinaria granulosa b. Hirudo medicinal is c. Haemadipsa d. None of these

21. A Leech can take three times its own weight of blood at one feed and go without food for

months together. To facilitate the storage of blood it has a well developed

a. Large coiled intestine
b. Long crop with spacious caeca

c. Enlarged branching stomach D. All the above

22. Pick out the correct answer.

a. Chaetae in sandworm and earthworm is jointed and in 1eech absen t

b. Chaetae in sandworm jointed, in earthworm unjointed and in leech jointed

c. Chaetae in sandworm and earthworm is unjointed and in leech jointed

d. Chaetae in sandworm jointed and in earthworm and leech absent

23.Botryoidal tissue is peculiar to

a. Leech b. Earthworm c. Sandworm d. All Annelids

24.Haemocoelic system is found in

a. Earthworm b. Nereis c. Leeth d. In all Annelids

25.Septa is distinct in

a. Earthworm and sandworm
b. Earthworm and leech

c. Leech and sandworm d. It is present in all annelida

26.Which is true ?
a. Nereis and Pheritima are both dioecious b. Nereis and Hirudinaria are both dioecious

c. Nereis and Pheritima are both monoecious d. Hirudinaria and Pheritima are both

monoecious

27.Jaws in leech which helps the animal to cut a wound on the host are ... in number.

a. 2 b. 3 c. 4 d. 5

28.Asexual reproduction in Annelids is effected by

a. Fission b. Budding c. Regeneration d. All the above

29.Asexual reproduction does not occur in

a. Leeches b. Marine Annelids c. Earthworm d. All the above

30.Trochophore larva is only observed .... in its development

a. Nereis b. Pheritima c. Hirudinaria d. ‘b’ and ‘c’


ANSWERS


1. b 2. a 3. a 4. a 5. c 6. b 7. b 8. a 9. c 10. d

11. a 12. c 13. c
14. d 15. d 16. d 17. a 18. c 19. c 20. a

21. b 22. b 23. a 24. c 25. a 26. d
27. b 28. d 29. a 30. a

PHYLUM NEMATODA

PHYLUM NEMATODA

1.The larva of the Nereis is called the

a. Planula b. Miracidia c. Trochophore d. Cercaria

2. Leech collect the blood from the host with the help of

a. Jaws b. R. Teeth c. Salivary papillae d. Muscular pharynx

3. In earthworm the oviducts open to the outside on the segment .

a. 11 b. 12 c. 13 d. 14

4. Spermatheca in the earthworm open to the outside between the ... segments.

a. 6/7, 7/8, and 8/9 b. 7/8, 8/9 and 9/10 c. 6/7, 8/9 and 10/11 d. 8/9, 9/10and 10/11

5. Peristomium of Nereis is formed by the fusion of segments .

a. First two b. First three c. First four d. First five

6. Annuli in Annelid is only prevalent in

a. Earthworm b. Nereis c.Leech d. All the above

7. Parapodia in Nereis are used for

a. Locomotion b. Excretion c. Respiration d. ‘a’ and ‘c’

8. Nereis belongs to the class

a. Polychaeta b. Oligochaeta c. Hirudinaria d.Nemertinea

9. In Nereis, the setae are

a. Arranged in bundles b. Arranged singly c. Arranged in segmental rings

d. Found irregularly .

10. In earthworm and sand worm, the fertilization is

a. External b. Internal c. In the tube’s d. Unlike mentioned above

11. In earthworm, the blood is mainly collected by .... vessel and is reached to the dorsal vessel in

the posterior region

a. Ventral b. Subneural c. Oesophageal d. Parietal

12. Pick out the wrong statement. In Megascolex

a. Integumentary nephridium has nephridiopore but no nephrostoma

b. Meganephridium has nephrostome but no nephridiopore

c. Pharyngeal nephridium has neither nephrostoma nor nephridiopore

d. Only pharyngeal nephridium has a nephrostome and a nephridiopore

13.Select a false statement related to the circulatory system of earthworm

a. During circulation, blood gets oxygenated in the skin

b. Dorsal vessel distributes blood to various parts while the DE-oxygenated blood is collected

by ventral vessel

c. Dorsal vessel collects blood any ventral vessel distributes it

d. Haemoglobin is present in the plasma

14.In earthworm.
a. Both dorsal and ventral vessels are contractile and valvular

b. Both dorsal and ventral vessels are neither contractile nor valvular

c. Only dorsal vessel is contractile and valvular

d. Only ventral vessel is contractile and valvular

15.Respiration in earthworm is effected by

a. Specialised internal gills b. Fine tubular lungs c. Through a moist skin

d. Anaerobic

16. Nephridia in Megascolex are the

a. Meganephridia and micronephridia b. Meganephridia and pharyngeal nephridia

c. Micronephridia and pharyngeal nephridia

d. Micronephridia, meganephridia and pharyngeal nephridia

17. Units of excretion in earthworm is

a. Chloragogen cells b. Lateral hearts c. Cells in the epidermis d. Nephridia

18. A typical nephridia with the nephrostome and nephridiophore is the

a. Meganephridia and Megascolex b. Micronephridia of Megascolex

c. Pharyngeal nephridia of Lumbricus d. Metanephridia in Lumbricus

19.Entero-nephric nephridia are the .... in Megascolex.

a. Micronephridia b. Pharyngeal nephridia c. Meganephridia d. All the above

20.The so - called ‘lateral hearts’ of earthworm mainly serve to

a. Pump blood throughout the body b. Carry blood from dorsal to ventral vessel

c. Collect blood from all vessels of the body d. They do not perform any function

21.The meganephridia in Megascolex

a. Opens to exterior by the nephridiopore b. Opens only into the intestine

c. Meganephridia d. All the above

22.The function of dorsal pores in earthworm is

a. Respiration b. Excretion c. Exudation of body fluid d. All the above

23.In earthworm, the testes are enclosed in segments

a. 9 and 10 b. 8 and 9 c.10 and 12 d.10 and 11

24.In earthworm the photoreceptor cells (light sensitive cells) are abundant on the

a. Middle segment b. Last few segments c. Anterior and posterior segments

d. All the segments

25.Which one of the following is not an organ included in male genital system in earthworm ?

a. Seminal vesicle b. Prostate gland c. Testis sac d. Spermathec

26.The organ in earthworm which helps to glue the sperms together in aggregation is the

a. Prostate gland b. Spermatheca c. Seminal vesicle d. Vasa deferentia

27.Vasa deferentia opens to the outside on the .......... segment in earthworm.

a. 16 b. 17 c. 18 d. 19

28. Penial setae of earthworm are seen around the

a. Male genital opening b. Female genital opening c. Spermatheca d. Clitelium

29. Pick out the correct course of movement of sperms produced in the testes of earthworm.

a. Testes-coelom-seminal vesicles-coelom-seminal funnelvasa deferentia-outside

b .Testes - coelom- seminal vesicle-vasa deferentia-outside

c. Testes-coelom-spermatheca-coelom-seminal vesicle-vasa deferentia-outside

d. Testes-spermatheca-coelom-seminal vesicle-coelom-vasa deferentia-outside

30. The ciliated funnel of the meganephridia in earthworm is called

a. Nephridiopore b. Nephrostome c. Exonephric d. Endonephric

31. Seminal vesicles in earthworm occupies the ............ segments.

a. 9 & 12 b. 9 & 13 c. 8 & 11 d. 8 & 12

32. Locomotion in earthworm is effected by

a. Contraction of the circular muscle

b. Contraction of the longitudinal muscle c. Elongation of the longitudinal muscle

d. Alternate elongation and contraction of both longitudinal and circular muscle

33. In earthworm, the prostate glands are found on the segments.

a. 16 & 17 b. 17 & 18 c. 18 & 19 d. 19 & 20

34. ............. function like a nursery and storage for sperms in earth worms.

a. Spermatheca b. Seminal vesicle c. Coelomic cavity d. Prostate gland

35. Male genital opening and the penial setae of the earthworm are on the ... segments.

a. 15 b. 16 c. 17 d. 18

36.The female reproductive system consists of

a. Ovaries and oviducts b. Ovaries and Spermatheca

c. Ovaries, oviducts and Spermatheca d. Ovaries, oviducts, Spermatheca and pineal setae

37.Segments to earthworm which have no nephridia are

a. Anterior and posterior b. First three c. First five d. Last five

38.In earthworm, the spermatheca are used for

a. Development of ovum b. Development of sperm c. Storing of spermatozoa

d.Storing of ova

39.Internal opening is absent in ... in earthworm (Magascolex).

a. Meganephridia and Micronephridia b. Meganephridia and Pharyngeal nephridia

c. Micronephridia and Pharyngeal nephridia d. Micro, mega and Pharyngeal nephridia

40.Ciliated rosettes in earthworm are seen ............. on segments.

a. 9 & 10 b. 10 & 11 c. 11 & 12 d. 12 & 13

41........ is exonephric in earthworm.

a. Micronephridia b. Meganephridia c. Pharyngeal nephridia d. All the above

42....... are enaonephric in earthworm.

a. Micro and meganephridia
b. Micro and pharyngeal nephridia

c. Mega and pharyngeal nephridia d. None of the above

43.CircumpharyngeaI connectives in the earthworm are those that connect the

a. Dorsal blood vessel with the ventral blood vessel

b. Suprapharyngeal ganglia with the subpharyngeal ganglia

c. Supra excretory canal with the sub excretory canal around the pharynx

d. Dorsal blood vessel with the ventral blood vessel around the pharynx

44.Sensory cells distributed on the epidermis of the earthworm is sensitive to

a. Light and touch b. Temperature and chemicals c. Moisture and vibrations d.All the above

45. One other medium which helps in excretion besides the nephridia in earthworm is

a. Epidermis b. Cuticle c. Cut d. Chloragogen cells

46.Lateral expansion of each segment in Nereis is called

a. Setae b. Pseudopodia c.Parapodia d.Ciliated foot

47. In Nereis, the prostomium is

a. The first segment b. The last segment c. The fused first and second segment

d. Not a true segment

48.The head of Nereis consits of

a. Prostomium b. Peristomium c. Prostomium and peristomium d. None of these

49.The last segment of Nereis is known as

a. Prostomium b. Peristomium c. Pygidium d. None of these

50.Notopodium and Neuropodium goes to form the ............ in Nereis.

a. Head b. Segment c. Parapodium d. Last segment


ANSWERS

1. c 2. d 3. d 4. a 5. a 6. c 7. d 8. a 9. a 10. a

11. b 12. d 13. b
14. c 15. c 16. d 17. d 18. d 19. c 20. b

21. b 22. c 23. d 24. c 25. d 26. a
27. c 28. a 29. a 30. b

31. a 32. d 33. c 34. b 35. d 36. c 37. a 38. c 39. c 40. b

41. a 42. c 43. c 44. d 45. d 46. c 47. d 48. c 49. c 50. c

PHYLUM NEMATODA

PHYLUM NEMATODA

1. Coelomic fluid in earthworm helps it to

a. Keep the skin moist, an essential factor for respiration

b. Support and lubricate the internal organs and with its pressure to act as a hydraulic

skeleton for the animal

c. Destroy the harmful bacteria and other parasites with the help of its chemical substance

and amoeboid cells

d. A ll the above

2. The phenomena of metamerism may be best defined as

a. Where there is equal distribution of structures in all the segments

b. External segmentation corresponds to that of internal segmentation

c. Segmentation not confined to particular region of the body only

d. All the above

3. Adult Nematodes which inhabit lymph vessels and lymph glands are

a. Ascaris b. Wuchereria c. Ancylostoma d. Enterobius

4. The usual vector of Filariasis is

a. Phlebotomus b. Musca c. Anopheles-male d. Female Culex or Aedes

5. Annelids are

a. Triploblastic, bilaterally symmetrical, metamerically segmented, coelomate metazoans.

b. Triploblastic, bilaterally symmetrical, metamerically segmented,

pseudocoelomat metazoans.

c. Triploblastic, bilaterally symmetrical, metamerically segmented, acoelomate metazoans .

d. Triploblastic, radially symmetrical, metamerically segmented, acoelomate metazoans.

6. Dorsal pores in the earthworms are outlets for the

a. Sperms b. Excretory products c. Coelomic fluid d. All the above

7. A body cavity is called a coelom only when it is

a. Mesodermal in origin

b. Lined by parietal and visceral layers of the peritoneum

c. Filled with coelomic fluid

d. All the above

8. Highly contractile dermo muscular body wall is characteristic of

a. Arthropoda b. Nematoda c. Mollusca d. Annelida

9. The origin of the nephridium in Earthworm is mainly

a. Germinal b. Ectodermal c. Mesodermal d. Endodermal

10. The distinctive and unique characteristic by which the phylum Annelida is known because of

a. Presence of a true coelom for the first time b. Occurrence of nephridia as its excretory
organs

c. Metamerization of the body d. Closed circulatory system with lateral hearts

11. Specialised excretory structures of Annelids are

a. Flame cells b. Kidney c. Nephridia d. Coelomic fluid

12. The setal sacs in which the setae are enclosed is also known as

a. Dermal sacs b. Cuticular sacs c. Epidermal sacs d. Setigerous sacs

13. Definite circulatory system with well developed contractile blood vessels and pumping areas

is first established in the phylum

a. Annelida b. Platyhelminthes c. Nematoda d. Arthropoda

14. Sheathed Microfilariae normally circulate at night in the

a. Arteries b. Peripheral blood vessels c. Veins d. Lymph vessels

15. Presence of coelom and metamerism are the most important characters in

a. Helminthes b. Arthropoda c. Annelida d. Coelenterates

16. The.setae of Megascolex are arranged

a. Irregularly b. Dorsally c. Ventrally d. In segmental rows

17. Metamerism first makes its appearance in

a. Cestoda b. Nematoda c. Annelida d. Arthropoda

18. The body cavity of earthworm is

a. True coelom b. Acoelom c. Pseudocoelom d. Haemocoel

19. Clitellum in earthworm is a region of

a. Thickened cuticle b. Many layered epidermal cells c. Mesodermal derivative

d. All the above

20. In earthworm the glandular clitellar region helps in the process of

a. Digestion b. Copulation c. Cocoon formation d. Locomotion

21. Human parasite causing filarlasis is

a. Ascaris lumbricoides b. Enterobius vermicularis c. Wuchereria bancrofti

d. Ancylostoma duodenale

22. The dorsal surface of an earthworm can be easily recognised by

a. Clitellum b. Rows of setae c. Mid dorsal line d. None of these

23. Metamerism in Annelids is

a. Homonomous b. Heteronomous c. Pseudo metamerism d. None of these

24. Clitellum in a typical earthworm occupies .... segments.

a.10 to 14 b. 14 to 17 c. 9 to 13 d. 14 to 19

25. Mucin - a pharyngeal secretion in earthworm is an essential product for moistening the

a. Blood b. Soil c. Animal food d. All the above

26. Lateral hearts are found in

a. Earthworm b. Clam worm c. Leech d. All the above

27. The first true segment of the body in earthworm is called

a. Proboscis b. Head c. Peristomium d. Prostomium

28. The organ or organs of earthworm, which helps the animal in respiration, sensory perception,

locomotion and defence is/are

a. Setae b. Epidermis c. Prostomium d. Cuticle

29. The earthworm body is devoid of

a. Cuticle b. Epidermis c. Setae d. Appendages

30. The function of dorsal pores in earthworm is

a. Respiration b. Elimination of wastes

c. Exudation of coelomic fluids d. Exudation of reproductive products

31. Typhlosole in earthworm is for

a. Mainly respiration b. Exclusively for excretion c. Secretion of digestive enzymes

d. Increasing the ares of absorption

32. The anterior and posterior part of alimentary canal of an earthworm are lined internally by

the

a. Endoderm b. Cuticle c. Mesoderm d. Ectoderm

33. Pulverisation of soil with its food particle occurs in the ... of the earthworm.

a. Pharynx b. Gizzard c. Cacae d. Oesophagus

34. The circulatory system of earthworm is very well developed and consists of

a. Closed system of blood vessels with definite walls

b. Closed system of blood vessels without muscular walls

c. Open system of blood vessels with definite wall

d. Open system of blood vessels without wall

35. In the earthworm, secretion that moisten the soil for grinding in the gizzard is the

a. Mucin secreted by the pharyngeal gland b. Enzymes secreted by the pharyngeal gland

c. Mainly amoeboid cells d. Chloragogen cells

36. In earthworm, a vertical fold hanging from the roof of the intestine within the lumen is called

the

a. Caeca b. Intestinal lamina c. Columnar fold d. Typhlosole

37. The rhythmic movement of food within the gut of earthworm is termed as

a. Cyclosis b. Peristalsis c. Cytolosis d. Metabolism

38. In earthworm, distinct heart is

a. 2 chambered b. 3 chambered c. 4 chambered d. None of these

39. In earthworms, heart-like function of pumping the blood into vessels is mainly done by

a. Ventral vessel b. Lateral vessels c. Dorsal vessel d. None of these

40. Large cells of the visceral peritoneum with yellow granules in earthworm is called the

a. Chloragogen cells b. Mesodermal cells c. Endodermal cells d. All the above

41. The red colour of the blood in earthworm is due to the presence of

a. Red blood coupuscles b. Haemocyanin c. Haemoglobin in plasma d. All the above

42. In earthworm, besides the dorsal pores, the segments carry a large number of minute pores

called the

a. Cuticular pores b. Epidermal pores c. Nephridiopores d. All the above

43. Chloragogen cells are peculiar to

a. Earthworm b. Leech c. Nereis d. All Annelids

44. The type of respiration found in earthworm is

a. Pulmonary b. Cutaneous c. Branchial d. Tracheal

45. .... In earthworm is compared to the vertabrate liver.

a. Salivary glands b. Pharyngeal glands c. Intestinal glands

d. Chloragogen cells

46. Earthworm mainly keeps its body moist with mucous and coelomic fluid mainly to facilitate

a. Locomotion b. Sensory perception c. Respiration d. Excretion

47. Chloragogen cells in the earthworm are connected with

a. Storage and distribution of digested food and synthesis of glycogen and fat

b. Collection and elimination of waste materials

c. Synthesis of ammonia and urea

d. All the above

48. In the alimentary canal of an earthworm, a muscular sac, lined on the inner surface by a hard

chitinous cuticle is the

a. Pharynx b. Caecae c. Gizzard d. Oesophagus

49. The flow of blood in the dorsal vessel of an earthworm is

a. Forward b. Backward c. Irregular d. ‘a’ and ‘b’

50. Conservation of moisture is aided by the

a. Entero-nephric nephridis b. Micronephridia c. Chloragogen cells d. All the above

ANSWERS

1. d 2. d 3. b 4. d 5. a 6. c 7. d 8. d 9. b 10. c

11. a 12. d 13. a
14. b 15. c 16. d 17. c 18. a 19. b 20. c

21. c 22. c 23. a 24. b 25. b 26. a
27. c 28. b 29. d 30. c

31. d 32. b 33. b 34. a 35. a 36. d 37. b 38. d 39. b 40. a

41. c 42. c 43. a 44. b 45. d 46. c 47. d 48. c 49. a 50. a

PHYLUM NEMATODA

PHYLUM NEMATODA

1. Ascaris is an endoparasite in the .... of man

a. Colon b. Small intestine c. Lymph vessels d. Spleen

2. Sexes in Namatodes is distinguished by certain morphological variation. This phenomenon is

termed as

a. Polymorphism b. Alternation of generation c. Genetic variation

d. Sexual dimorphism

3. Female Ascaris differs from male in having

a. Long, stout body with a straight posterior end

b. Presence of separate gonopore and anus

c. Absence of penial setae d. All the above

4. Tube within a tube type of body plan is exhibited by the

a. Turbellarians b. Trematodes c. Cestodes d. Nematodes

5. The perivisceral cavity pseudocoelom because Nematodes is called

a. It is not derived by splitting of the mesodermal layer

b. It is not formed from the Archenteron

c. It has no mesodermal lining d. All the above

6. Pseudocoelomic type of body cavity is unique of only

a. Annelids b. Platyhelminthes c. Nematodes d. Only ‘a’ and ‘b’

7. Excretory system of Nematodes differ from the Platyhelminthes in having

a. Nocilia b. No fIame cells c. No branching tubules d. All the above

8. A roundworm resemble the flatworm in having all these characters except

a. Ingestion and ejection taking place at a common opening b. Longitudinal nerve cords

c. Absence of circulatory system d. Absence of respiratory system

9. All Roundworms differ from the Flatworms in having

a. Bilateral symmetry b. Three germ layers c. Presence of mesenchyme cells

d. False coelom

10.Pick out the correct statement.

a. Platyhelminthes and Nematodes have both the longitudinal and circular muscles

b. Platyhelminthes has both circular and longitudinal muscles, whereas Nematodes have only

longitudinal muscles

c. Platyhelminthes has circular and Nematodes have longitudinal muscles

d. Platyhelminthes has longitudinal and Nematodes have both longitudinal and

circular muscles.

11.Parasitic adaptations of the Ascaris are

a. Thick cuticle resistant to digestive juice of the host

b. Respiration taking place by breaking down of glycogen in the body of the parasite

c. Absence of defined respiratory, circulatory and locomotor systems d. All the above

12. Select the one without the syncystial epidermis.

a. Ancylostoma duodenale b. Ascaris lumbricoides c. Schistosoma heamotobium

d. Wuchereria bancrofti

13. The common intestinal roundworm is called

a. Taenia solium b. Ascaris lumbricoides c. Enterobius vermicularis

d. Trichinella spiralis

14. Syncystium in the Nematodes is the epidermis consisting of a sheet of protoplasm

a. Without nuclei

b.With nuclei and without cell boundaries

c. With nuclei and without cell boundaries

d. With a single nucleus

15. The disease caused by common intestinal roundworm is

a. Ascarias is b. Ancylostomiasis c. Elephantiasis d. None of these

16. Ascaris is not usually thrown out from the intestine because of its

a. Hard cuticle b. Selender form c. Ability to attach itself to the intestinal wall

d. Own undulating waves

17. Ascaris feeds on

a. Semi-digested food in the intestine b. Mucuous membrance of the intestine

c. Sucks tissue juices and blood of the intestine d. All the above

18. Triploblastic, bilaterally, symmetrical, vermiform, unsegmented pseudocoelomate metazoan

animals are

a. Platyhelminthes b. Annelids c. Nematodes d. Arthropods

19. Roundworms differ from the Flatworms in

a. Not having a coelom b. Having a true coelom c. Having a false coelom

d. None of these

20. Excretory system comprising of two lateral tubes, joining at the anterior end to open outside

is one that is found in

a. Panaria b. Fluke c. Tapeworm d. Ascaris

21. The male of Ascaris is distinguished from a female by the following feature except

a. The male is smaller and thinner than the female

b. The posterior end is curved with a cloacal opening

c. There are two penial setae d. All the above

22. Enterobiasis spreads by

a. Air and contamination b. Mosquito bite c. Uncooked pork d. Uncooked fish

23. The intermediate host for the spread of ascariasis is

a. Fly b. Mosquitoes c. Snail d. No intermediate host

24. Reproductive system of parasitic animals are usually

a. Less complex than that of free living animals

b. More complex than that of free living animals

c. Very similar to that of other animals

d. Disintegrated to some axtent

25. The extra intestinal migration of the embryo of Ascaris follows this path.

a. From intestine - mucous membrane - blood stream - liver- heart - lungs - trachea - throat -

oesophagus - back to the intestine

b. From intestine - liver - lungs - heart - blood stream -intestine

c. Intestine - pharynx - lungs - trachea - blood vessel heart - blood stream - stomach and back

to the intestine

d. From the stomach - oesophagus - lungs - blood stream -heart - blood stream - oesophagus-

intestine

26. Tansmission of Ascariasis is by

a. Flies b. Mosquitoes c. Contamination d. None of these

27. Obstructive jaundice is caused by Ascaris when they

a. Block the intestine b. Are found in large numbers c. Block the bile duct

d. Feed on pancreatic tissue

28. The embryos that are set free from the eggs of Ascaris in the intestine of man is known is

a. Rhabditiform larvae b. Cercaria c. Trochophore d. Miracidium

29. Pueumonia is usually caused when the larva of Ascaris is in the ..... in large numbers.

a. Lungs b. Throat c. Oesophagus d. Blood vessels

30. Ancylostoma duodenale is commonly known as the

a. Tapeworm b. Hookworm c. Roundworm d. Pin worm

31.The embryo of Ascaris takes about ..... days to attain maturity.

a. 10 b. 15 c. 25 d. 30

32.The disease caused by the hookworm is

a. Ascariasis b. Ancylostormiasis c. Filariasis d. Hepatitis

33. The common symptoms of the Ascaris infection is

a. Colic pain b. Indigestion c. Protuberant stomach d. All the above

34. A juvenile Nematode parasite which enters the human host by active penetration through

the skin is

a. Ascaris b. Wuchereria c. Ancylostoma d. Microfilaria

35.The male of a hookworm can easily be distinguished from the female because of its

a. Penial setae b. Copulatory bursa c. Hook d. Curved posterior tip

36.The pathological disorders caused by Hookworm are

a. Severe anaemia and intestinal disorder

b. Lung haemorrhage and pneumonia

c. Stomach pain and oesinophilia

d. All the above

37. Ground itch is caused by

a. Roundworm b. Pin worm c. Microfilaria d. Hookworm

38. Ancylostoma duodenale is a

a. Trematode b. Cestode c. Nematode d. Annelid

39. The juveniles of hookworm reaches the intestine by following this route

a. Penetrates the skin-blood-blood vessels - heart - lungs- trachea - pharynx intestine

b. Penetrate the skin- blood - blood vessels-intestine - lungs- heart- pharynx-intestine

c. ‘a’ and ‘b’ combined d. None of these

40.The common hookworm found in the intestine of man is

a. Ascaris lumbricoides b. Ancylostoma duodenale c. Enterobius vermicularis

d. Trichinella spiralis

41. The hookworms are provided with .... to puncture the body wall.

a. Cutting plates b. Dorsal lips c. Papillae d. Spines

42.The Hoomworm infection is hazardous to children maixly because it causes

a .Colic pain and palpitation of the heart b. Oesinophilia and weakness

c. Retardation of both merital and physical growth d. Pneumonia and lethargy

43.Adult Oxyuris lives in the neighbourhood of

a. Duodenum b. Caecum and appendix c. Liver and spleen d. Stomach

44. Elephantiasis occurs in organs like

a. Heart b. Liver and Spleen c. Arms and legs d. None of these

45. Oxyuris larve just out of the egg takes ......... months develop.

a. 2 b. 3 c. 4 d. 1

46. The general pathological symptoms of Elephantiasis is

a. Chill b. Fever c. Aches d. All the above

47. ..... does not involve two different animals to complete its life cycle.

a. Ascaris b. Schistosoma c. Taenia d. Fasciola

48. Microfilariae usually appears in the

a. Lymphatic vessels b. Stomach c. Blood of large vessels d. Heart

49. Unique characteristic of male pinworm is that

a. They are less than half of the size of females

b. They were curved tailed with a single copulatory spicule

c. Male dies soon after mating d. All the above

50. Elephantiasis (Filariasis) is a common disease in

a. Sub tropical countries
b. Tropical and sub epical countries

c. Polar region only d. Tropical countries only



ANSWERS

1.b 2. d 3. d 4. d 5. d 6. c 7. d 8. a 9. d 10. b

11.d 12. c 13. b
14. c 15. a 16. d 17. d 18. c 19. c 20. d

21.d 22. a 23. d 24. b 25. a 26. c
27. c 28. a 29. a 30. b

31.c 32. b 33. d 34. c 35. b 36. d 37. d 38. c 39. a 40. b

41.a 42. c 43. b 44. c 45. a 46. d 47. a 48. c 49. d 50. b


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