1.  Which class has the largest number of animals?

2. In Ascaris tufted epithelium occurs in

3. ______ are devoid of respiratory, excretory and circulatory organs.

4. Which one of the following is NOT a characteristic of phylum Annelida?

5. Water-Vascular system is found in

6. Which one of the following phylum is characterized by absence of true coelom?

7. Phylum that doesnt have a true coelom is

8. One of the following is a very unique feature of the mammalian body:

9. Male mosquitoes usually feed on

10. Periplaneta belongs to which phylum?

11. Bed Bugs contribute to the spread of

12. Two common characters found in centipede, cockroach and crab are:

13. Number of excretory pores in Ascaris is-

14. Order Rhynchocephalia consists of

15. Chenopodium oil destroys:

16. Fluke infections are diseases of the _______ in humans.

17. Which of the following is a pseudocoelomate?

18. Which kind of symmetry occurs in sea anemone?

19. Radial symmetry is found in

20.  Which of the following characters is not typical to class Mammalia?