Animal Kingdom – Basis of Classification, Levels of Organisation

Grade 11 Biology — Animal Kingdom – Basis of Classification, Levels of Organisation: 25 practice questions with instant scoring and explanations.

1. Classification of animals is primarily based on features like:
2. Animals with no definite shape or symmetry are said to be:
3. Radially symmetrical animals can be divided into equal halves by:
4. Bilateral symmetry is seen in:
5. Animals with two embryonic germ layers are:
6. A diploblastic animal has:
7. A triploblastic animal has which germ layers?
8. An acoelomate animal has:
9. A pseudocoelomate has:
10. A coelomate animal has:
11. Metameric segmentation means the body is divided into:
12. Notochord is a:
13. Animals in which a notochord is present at some stage are called:
14. The cellular level of organisation is shown by:
15. The tissue level of organisation is seen in:
16. Organ level of organisation is first seen in:
17. Organ-system level of organisation is shown by:
18. Bilaterally symmetrical animals often show:
19. An example of a radially symmetrical animal is:
20. Starfish shows radial symmetry as adult but its larva shows:
21. Coelom is important because it:
22. Which is a pseudocoelomate phylum?
23. Which is a diploblastic phylum?
24. The open type of circulatory system is found in:
25. Symmetry where the body can be divided into two equal halves only along one plane is: