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Earn 100
What is the function of the comb plates?
Important Questions on Animal Diversity- I (Invertebrate Phyla)
HARD
I) Colloblasts are found in sea gooseberries
II) Larva of cestodes is Muller's larva
III) Nematodes have renette gland for excretion
IV) Stomochord is found in hemichordates
MEDIUM
(A) Cnidarians have a blind-sac body plan.
(B) Digestion in Ctenophora is intra as well as extracellular.
(C) Agnathans are endoparasites on fishes.
(D) Ichthyophis belongs to the Tetrapoda group.
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Fill in the blank with the correct answer from the bracket.
Beroe possesses spacious mouth and _____. (tentacles, legs, stomodaeum)
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| I | II | ||
|---|---|---|---|
| (a) | Choanocytes | (i) | Platyhelminthes |
| (b) | Cnidoblasts | (ii) | Ctenophora |
| (c) | Flame cells | (iii) | Porifera |
| (d) | Nephridia | (iv) | Coelenterata |
| (e) | Comb plates | (v) | Annelida |
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Fill in the blank with the correct answer from the bracket.
Pleurobrachia possesses _____ that bear special adhesive cells called lasso cells or colloblast. (mouth, tentacles, anal canal)
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(i) Extracellular and intracellular digestion.
(ii) Exclusively marine, radially symmetrical, diploblastic, tissue level of organization.
(iii) Bisexual, fertilization external and indirect development.
(iv) No asexual reproduction.
(v) Presence of comb plates.
