Match the following: (a) Operculum (b) Parapodia (c) Scales (d) Comb plates (e) Radula (f) Hairs (g) Choanocytes (h) Gill slits

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What are the modifications that are observed in birds that help them fly?

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What is the difference between direct and indirect development?

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If you are given a specimen, what are the steps that you would follow to classify it?

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“All vertebrates are chordates but all chordates are not vertebrates”. Justify the statement.

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What are the peculiar features that you find in parasitic platyhelminthes?

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What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?

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Water vascular system is the characteristic of which group of the following: (a) Porifera (b) Ctenophora (c) Echinodermata (d) Chordata

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How important is the presence of air bladder in Pisces?

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What are the difficulties that you would face in classification of animals, if common fundamental features are not taken into account?

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