Zoology Questions & Answers - APSC Optional Paper for CCE Prelims

1 Schizont stage of Plasmodium vivax in man is found in

1 erythrocytes

2 erythrocytes and liver cells

3 liver cells only

4 erythrocytes, liver cells and spleen

View Answer

Answer: erythrocytes and liver cells

2 Evolutionary sequence of canal system in sponges is

1 sycon-ascon-leucon

2 leucon-sycon-ascon

3 ascon-sycon-leucon

4 sycon-leucon-ascon

View Answer

Answer: ascon-sycon-leucon

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3 Gonads of Obelia occur

1 in hydrula stage

2 in bases of tentacles of medusa

3 on blastocyst

4 in radial canal of medusa

View Answer

Answer: in radial canal of medusa

4 A rhabditiform larva is found in the life cycle of

1 Hydra

2 Ascaris

3 tapeworm

4 liver fluke

View Answer

Answer: Ascaris

5 Sexual dimorphism is distinct in Ascaris, because of

1 body colour

2 buccal margins

3 pineal setae

4 lips

View Answer

Answer: pineal setae

6 Common feature of earthworm and cockroach is

1 hermaphroditism

2 ventral nerve chord

3 moulting of cuticle

4 excretion by nephncia

View Answer

Answer: ventral nerve chord

7 In Paloemon, statocyst is situated on the

1 antenule

2 maxillae

3 maxillulae

4 antennae

View Answer

Answer: antenule

8 Golgi body is found in

1 RBC of man

2 all the cells

3 bacterial cells

4 all cells, except RBC and bacterial cells

View Answer

Answer: all cells, except RBC and bacterial cells

9 Presence of choanocytes is the characteristic of

1 Annelida

2 Porifera

3 Coelenterata

4 None of the above

View Answer

Answer: Porifera

10 The coral species which is extensively used in jewellery is

1 Corallium rubrum

2 Anthocodium indicum

3 Gorgonia flagellum

4 Fungia sp.

View Answer

Answer: Corallium rubrum

11 Spicules in sponges are secreted by

1 collenocytes

2 archaeocytes

3 scleroblasts

4 pinococytes

View Answer

Answer: scleroblasts

12 Cysticercus larva is found in

1 Scypha

2 Obelia

3 Taenia

4 Fasciola

View Answer

Answer: Taenia

13 Ambulacral system is basically found in

1 sponges

2 coelenterates

3 aquatic arthropods

4 echinodermata

View Answer

Answer: echinodermata

14 In sponges, nutrition, respiration and excretion depend upon

1 circulatory system

2 ambulacral system

3 haemocoelomic system

4 canal system

View Answer

Answer: canal system

15 Larva of Schistosoma is

1 cercaria

2 planula

3 cysticercus

4 Muller's larva

View Answer

Answer: cercaria

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