InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
Which one of the following groups of animals is bilaterally symmetrical and triploblastic?(a) Aschelminthes (round worms) (b) Ctenophores (c) Sponges (d) Coelenterates (cnidarians) |
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Answer» (a) Aschelminthes (round worms) |
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| 202. |
Distinguish between Diploblastic animals and triploblastic animals. |
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Answer» Diploblastic animals:
Triploblastic animals:
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| 203. |
Blood worms are the larvae of ………….(a) Hirudinaria (b) Chironomus (c) Limulus (d) Daphnia |
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Answer» (b) Chironomus |
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| 204. |
Distinguish between asexual reproduction and sexual reproduction. |
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Answer» Asexual Reproduction:
Sexual Reproduction:
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| 205. |
Which of the following cell type is capable of giving rise to other ccli types in sponges? (a) Pinacocytes (b) Archaeocytes (c) Thesocytes (d) Collencytes |
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Answer» (b) Archaeocytes |
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| 206. |
Name the following:Pores on the body of sponges through which the water enters. |
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Answer» Body surface: Their body bears minute pores called ‘ostia’ through which water enters the spongocoel (body cavity). Water leaves the body through a large opening called ‘osculum’. Beating of flagella creates water current. |
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| 207. |
Name the larvae of sponges. |
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Answer» Parenchymula and amphiblastula. |
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| 208. |
Which is not correct for sponges? (a) Internal fertilization (b) External fertilization (c) Gemmule formation (d) Gametes are formed from epidemial cells. |
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Answer» (b) External fertilization |
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| 209. |
Radiata include (a) Diploblastic and bilaterally symmetrical animals (b) Triploblastic and radially symmetrical animals(c) Diploblastic and radially symmetrical animals (d) Triploblastic and bilaterally symmetrical animals |
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Answer» (c) Diploblastic and radially symmetrical animals. |
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| 210. |
Pneumatic bones are seen in – (a) Mammalia (b) Aves (c) Reptilia (d) Sponges |
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Answer» Correct Answer is: (b) Aves |
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| 211. |
Duck-billed platypus is a connecting link between ………….(a) Reptile and bird (b) Living and non-living (c) Reptile and mammal (d) Echinodermata and chordate |
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Answer» (c) Reptile and mammal |
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| 212. |
Distinguish between polyp and medusa. |
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Answer» Polyp:
Medusa:
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| 213. |
Polyp phase is absent in …………(a) Physalia (b) Obselia (c) Hydra(d) Aurelia |
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Answer» Polyp phase is absent in Aurelia. |
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| 214. |
The minute pores on the body of sponges are called (a) oseuliem (b) ostia (c) choanocytes (d) spongocoel |
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Answer» The minute pores on the body of sponges are called ostia. |
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| 215. |
Which of the following statements is correct? (a) Polyp forms are free-living (b) Medusa forms are sessile (c) Medusa produces gametes(d) Polyp reproduces sexually |
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Answer» (c) Medusa produces gametes |
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| 216. |
Harversian systems are found in the bones of ………….(a) Pigeon (b) Panther (c) Pipe fish (d) Python |
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Answer» Correct answer is : (b) Panther |
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| 217. |
Turtles are ………… (a) Pisces (b) Reptiles (c) Molluscans (d) Arthropods |
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Answer» (b) Reptiles |
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| 218. |
Which of the following is the adaptation of flatworms for the endoparasitic mode of life? (a) They are dorsoventrally flattened (b) They have hooks, suckers or both (c) Their body is not segmented (d) They reproduce sexually |
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Answer» (b) They have hooks, suckers or both |
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| 219. |
Which is the class of animals adapted for dual mode of life? (a) Pisces (b) Amphibia (c) Reptilia (d) Mammalia |
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Answer» (b) Amphibia |
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| 220. |
Which of the following animals possesses ink gland?(a) Blue Whale (b) Scorpion (c) Sea Urchin (d) Cuttle Fish |
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Answer» (d) Cuttle Fish |
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| 221. |
Crab and Snail both have a protective covering. Is it made up of the same material? |
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Answer» No, the protective covering is not made up of same material in crab and snail. The protective covering of crabs is made up of chitin and that of snails is made up of calcium carbonate. |
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| 222. |
Which of the following is not correctly paired? (a) Humans – Ureotelic (b) Birds – Uricotelic (c) Lizards – Uncotelic (d) Whale – Ammonotelic |
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Answer» (d) Whale – Ammonotelic |
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| 223. |
Sponge and sea star show calcareous protective material. Do they belong to the same Phylum? |
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Answer» No, they do not belong to same phylum. Sponges belong to phylum Porifera and sea star belongs to phylum Echinodermata. 1. Adult echinoderms are radially symmetrical but larval forms are bilaterally symmetrical. 2. Larvae of echinoderms are free-swimming. |
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| 224. |
Which of the following is correctly matched?(a) Physalia – Portugese man of war (b) Pennatula – Sea fan (c) Adamsia – Sea pen (d) Gorgonia – Sea anemone |
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Answer» (a) Physalla – Portugese man of war |
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| 225. |
Why are spongin and spicutes important to a sponge? |
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Answer» Spongin and spicules provide support and supports the soft body parts of the sponges. The spicules give the sponges rigidity and form to the sponges |
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| 226. |
What are the four characteristics common to most animals? |
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Answer» The characteristics common to most animals are the arrangement of cell layers.
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| 227. |
The limbless amphibian is – (a) Icthyophis (b) Hyla (c) Rana (d) Salamander |
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Answer» (a) Icthyophis |
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