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