Zoology Practice MCQs (Most Important and Expected Questions) CSIR NET JRF Set 21

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Q.2 Specules are secreted by special mesenchymal amoebocytes called

a) scleroblastsb) microscleresc) myocytesd) collencytese) None of these

Answer:E

Q.3 true nerve cells or ganglion cells occur for the first time in

a) protozoab) poriferac) coelentratad) annelidae) None of these

Answer: E

Q.4 The process by which an organism can replace its lost or damaged body parts is called

a) reformationb) regenerationc) reclamationd) reconstructione) None of these

Answer: B

Q.5 nematocysts are found in

a) protozoab) poriferac) annelidad) molluscae) None of these

Answer: E

Q.6 in polychaetes the locomotory organ is

a)pseudopodiumb) neuropodiumc) notopodiumd) parapodiume) None of these

Answer:D

Q.7 worms belonging to phylum platyhelminthes are commonly known as

a)round wormsb) ring wormsc) segmented wormsd) earth wormse) None of these

Answer:E

Q.8 bipinnaria is the larval form of

a) coelentratab) polychaetac) echinodermatad) cestoda

Answer: C

Q.9 closed type of circulatory system is found in

a) platyhelminthesb) annelidac) poriferad) arthropodae) None of these

Answer: B

Q.10 the two common mosquito genera ,anopheles and culex, can be easily identified by

a) colorb) flying speedc) sized) sitting posturee) None of these

Answer: D

Q.11 sweat glands are epidermal glands found in

a) all birdsb) reptiles and mammalsc) mammals onlyd) birds and reptilese) None of these

Answer: C

Q.12 sternum is absent in

a) mammalsb) birdsc) amphibiansd) fishese) None of these

Answer: C

Q.13 amphioxus belongs to

a) cephalochordatab) hemichordatac) urochordatad) cyclostomae) None of these

Answer: A

Q.14 the urochordates or tunicates are marine animals commonly known as

a) sea cucumberb) sea squirtsc) sea urchin

Answer: B

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