PHYLUM COELENTERATA
1. Hydra is..........

a) Acoelomate b) Pseudocoelomate c) Eucopelmoate d) None

2. The cavity of Hydra is

a) Haemocoel b) Hydrocoel c) Pseudocoelom d. Gastro- vascular cavity

3. Which one is found in Hydra

a) Metabolism b) Metamerism c) Mouling d) Metamorphosis

4. In Hydra, the Coelenteron serves for a) Locomotion and excretion b) Excretion and Circulation

c) Digestion and circulation d) Digestion and storage

5. The chief function of nematocysts in Hydra is

a) To paralyse its prey b) To test the quality of water

c) To capture its pray d) To test the quality of food

6. The small green plant that live inside the body of Hydra as a symbiont is

a) Volvox b) Chlamydomonas c) Englena d. Zoochorellae

7. The structure through which the mouth of Hydra opens is

a) Tentacle b) Oral hood c) Hypostome d) Basal disc

8 . Tentaculocysts in Obelia are meant for

a) Locomotion b) Balancing c) Swimming d) Reproduction

9. Penetrant, volvent and glutient are types of

a) Walking organs in Hydra b) Nematocysts in Hydra

c) Defensive organelles in Paramecium d) Parts of a leg of Cockroach

10. Body wall of Hydra is made up of

a) Ectoderm and endoderm b) Ectoerm, mesoderm, endoderm

c) Ectoderm, mesogloea, endoderm d) Mesoderm and endoderm

11 . Digestion in Hydra is a) Intra- Cellular b) Extra-cellular

c) First extra cellular and then intracellular d) First intra cellular, and then extra cellular

2. In Hydra, the ovary contains

a) Few ova b) Single ovum c) No ovum d) Many ova

13. The mesogloea of Hydra contains

a) Nerve cells b) Sensory Cells c) Muscle fibres d) No cells

14. One of the following mainly forms coral reef

a) Hydrozoans b) Schyphozoans c) Anthozoans d) None

15. Hydranth is

a) Polyp of Obelia b) Medusa of Obelia c) Blastostyle of Obelia d) None of the above

16. Poisonous fluid of nematocyst of Hydra is

a) Hipnoglobin b) Hypnotoxin c) Venom d) Hyalosecretion

17. Favorite food of Hydra is

a) Water flea b) Bacteria c) Fingerlings d) Nematode larvae

18. In Hydra one of the following is correct

a) One ovary and one testis b) Two Ovary and two testis

c) One ovary and many testis d) Many ovaries and single testis

19. Type of muscle in Hydra

a) Skeletal muscles b) Smooth muscles c) Both d) None

20. Planula is larva of a) Hydra b) Obelia c) Both d) None

21. Point out a non-parasitic

a) Sea Anemone b) Fresh Water leech c) Taenia solium d) Bed bug

22. In sea anemone, the symmetry is

a) Radial b) Spherical c) Bilateral d) Absent

23. Organ pipecoral is

a) Tubipora b) Physalia c) Helipora d) Astrea

24. Red Coral is a) Corallium b) Fungia c) Meandrina d) Tubipora

25. Mushroom coral is

a) Fungia b)Astrea c) Aurelia d) Pennatula

PHYLUM COELENTERATA

1. Hydra is..........

a) Acoelomate b) Pseudocoelomate c) Eucopelmoate d) None

2. The cavity of Hydra is

a) Haemocoel b) Hydrocoel c) Pseudocoelom d. Gastro- vascular cavity

3. Which one is found in Hydra

a) Metabolism b) Metamerism c) Mouling d) Metamorphosis

4. In Hydra, the Coelenteron serves for a) Locomotion and excretion b) Excretion and
Circulation
c) Digestion and circulation d) Digestion and storage

5. The chief function of nematocysts in Hydra is

a) To paralyse its prey b) To test the quality of water

c) To capture its pray d) To test the quality of food

6. The small green plant that live inside the body of Hydra as a symbiont is

a) Volvox b) Chlamydomonas c) Englena d. Zoochorellae

7. The structure through which the mouth of Hydra opens is

a) Tentacle b) Oral hood c) Hypostome d) Basal disc

8 . Tentaculocysts in Obelia are meant for

a) Locomotion b) Balancing c) Swimming d) Reproduction

9. Penetrant, volvent and glutient are types of

a) Walking organs in Hydra b) Nematocysts in Hydra

c) Defensive organelles in Paramecium d) Parts of a leg of Cockroach

10. Body wall of Hydra is made up of

a) Ectoderm and endoderm b) Ectoerm, mesoderm, endoderm

c) Ectoderm, mesogloea, endoderm d) Mesoderm and endoderm

11 . Digestion in Hydra is a) Intra- Cellular b) Extra-cellular

c) First extra cellular and then intracellular d) First intra cellular, and then extra cellular

2. In Hydra, the ovary contains

a) Few ova b) Single ovum c) No ovum d) Many ova

13. The mesogloea of Hydra contains

a) Nerve cells b) Sensory Cells c) Muscle fibres d) No cells

14. One of the following mainly forms coral reef

a) Hydrozoans b) Schyphozoans c) Anthozoans d) None

15. Hydranth is

a) Polyp of Obelia b) Medusa of Obelia c) Blastostyle of Obelia d) None of the above

16. Poisonous fluid of nematocyst of Hydra is

a) Hipnoglobin b) Hypnotoxin c) Venom d) Hyalosecretion

17. Favorite food of Hydra is

a) Water flea b) Bacteria c) Fingerlings d) Nematode larvae

18. In Hydra one of the following is correct

a) One ovary and one testis b) Two Ovary and two testis

c) One ovary and many testis d) Many ovaries and single testis

19. Type of muscle in Hydra

a) Skeletal muscles b) Smooth muscles c) Both d) None

20. Planula is larva of a) Hydra b) Obelia c) Both d) None

21. Point out a non-parasitic

a) Sea Anemone b) Fresh Water leech c) Taenia solium d) Bed bug

22. In sea anemone, the symmetry is

a) Radial b) Spherical c) Bilateral d) Absent

23. Organ pipecoral is

a) Tubipora b) Physalia c) Helipora d) Astrea

24. Red Coral is a) Corallium b) Fungia c) Meandrina d) Tubipora

25. Mushroom coral is

a) Fungia b)Astrea c) Aurelia d) Pennatula


PHYLUM COELENTERATA

1. Hydra is..........

a) Acoelomate b) Pseudocoelomate c) Eucopelmoate d) None

2. The cavity of Hydra is

a) Haemocoel b) Hydrocoel c) Pseudocoelom d. Gastro- vascular cavity

3. Which one is found in Hydra

a) Metabolism b) Metamerism c) Mouling d) Metamorphosis

4. In Hydra, the Coelenteron serves for a) Locomotion and excretion b) Excretion and
Circulation

c) Digestion and circulation d) Digestion and storage

5. The chief function of nematocysts in Hydra is

a) To paralyse its prey b) To test the quality of water

c) To capture its pray d) To test the quality of food

6. The small green plant that live inside the body of Hydra as a symbiont is

a) Volvox b) Chlamydomonas c) Englena d. Zoochorellae

7. The structure through which the mouth of Hydra opens is

a) Tentacle b) Oral hood c) Hypostome d) Basal disc

8 . Tentaculocysts in Obelia are meant for

a) Locomotion b) Balancing c) Swimming d) Reproduction

9. Penetrant, volvent and glutient are types of

a) Walking organs in Hydra b) Nematocysts in Hydra

c) Defensive organelles in Paramecium d) Parts of a leg of Cockroach

10. Body wall of Hydra is made up of

a) Ectoderm and endoderm b) Ectoerm, mesoderm, endoderm

c) Ectoderm, mesogloea, endoderm d) Mesoderm and endoderm

11 . Digestion in Hydra is a) Intra- Cellular b) Extra-cellular

c) First extra cellular and then intracellular d) First intra cellular, and then extra cellular

2. In Hydra, the ovary contains

a) Few ova b) Single ovum c) No ovum d) Many ova

13. The mesogloea of Hydra contains

a) Nerve cells b) Sensory Cells c) Muscle fibres d) No cells

14. One of the following mainly forms coral reef

a) Hydrozoans b) Schyphozoans c) Anthozoans d) None

15. Hydranth is

a) Polyp of Obelia b) Medusa of Obelia c) Blastostyle of Obelia d) None of the above

16. Poisonous fluid of nematocyst of Hydra is

a) Hipnoglobin b) Hypnotoxin c) Venom d) Hyalosecretion

17. Favorite food of Hydra is

a) Water flea b) Bacteria c) Fingerlings d) Nematode larvae

18. In Hydra one of the following is correct

a) One ovary and one testis b) Two Ovary and two testis

c) One ovary and many testis d) Many ovaries and single testis

19. Type of muscle in Hydra

a) Skeletal muscles b) Smooth muscles c) Both d) None

20. Planula is larva of a) Hydra b) Obelia c) Both d) None

21. Point out a non-parasitic

a) Sea Anemone b) Fresh Water leech c) Taenia solium d) Bed bug

22. In sea anemone, the symmetry is

a) Radial b) Spherical c) Bilateral d) Absent

23. Organ pipecoral is

a) Tubipora b) Physalia c) Helipora d) Astrea
\
24. Red Coral is a) Corallium b) Fungia c) Meandrina d) Tubipora


25. Mushroom coral is

a) Fungia b)Astrea c) Aurelia d) Pennatula

26. Brain Coral is

a) Meandrina b) Antipathes c) Corallium d) Fungia

27. Reserve Food of Hydra

a) Glycogen b) Fat c) Both d) None

28. Fringing reef is usually located

a) Very near the sea shore b) Away from sea shore c) In deep sea d) None of the above

29. Obelia is Trimorphic colony as it bears

a.
30. Trigger of Nematocyst is

a. Stylet b. Cnidocil c. Spines d. None



1.a 2.d 3.a 4.c 5.a 6.d 7.c 8.b 9.b 10.c 11.c 12.b 13.d 14.c 15.a 16.b 17.a 18.c 19.b 20.b 21.a 22.a 23.a 24.a 25.a 26.a 27.c 28.a 29.a 30.b