Class 11 Biology · Chapter 1 · Test 2
Biodiversity Part 2
39 MCQs This set covers the animal phyla, the five vertebrate groups, virus classification, biodiversity assessment methods and species and speciation. It includes body plans, organ systems, sampling techniques and the mechanisms of speciation.
39 questions · 30 min · 39 marks
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Sample questions
The first 5 of 39. Try each one, then tap to see the answer.
Question 1
Animals are eukaryotic and multicellular and
- AAutotrophic
- BHeterotrophic
- CSaprophytic only
- DPhotosynthetic
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Answer: B
Animals ingest food and digest it inside their bodies and develop from embryos.
Question 2
The pores through which water enters a sponge are called
- AOstia
- BOsculum
- CGemmules
- DSpicules
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Answer: A
Water enters through ostia and leaves through the larger osculum.
Question 3
The cells lining the spongocoel are
- APinacocytes
- BAmoebocytes
- CChoanocytes
- DCnidocytes
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Answer: C
Choanocytes or collar cells line the spongocoel.
Question 4
Resistant capsules formed by sponges containing amoeboid cells are called
- ABuds
- BGemmules
- CMedusae
- DPolyps
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Answer: B
Gemmules develop into new sponges in favourable conditions.
Question 5
Stinging cells of cnidarians are called
- ACnidocytes
- BChoanocytes
- CFlame cells
- DPinacocytes
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Answer: A
Cnidocytes contain nematocysts for defence and capturing prey.
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