eVidyarthi

MCQ Chapter 4 Biology Class 11 Maharashtra Board

Kingdom Animalia

1. Which phylum is the second largest in the animal kingdom?

Question 1 of 20

2. What is the rasping organ in the buccal cavity of Mollusca?

Question 2 of 20

3. Which structure in Mollusca secretes the shell?

Question 3 of 20

4. What type of symmetry do Echinodermata exhibit?

Question 4 of 20

5. What is the function of the water vascular system in Echinodermata?

Question 5 of 20

6. Which phylum was once considered a sub-phylum of Chordata?

Question 6 of 20

7. What structure in Hemichordata is considered a notochord by some scientists?

Question 7 of 20

8. Which phylum connects non-chordates and chordates?

Question 8 of 20

9. What defines Chordata?

Question 9 of 20

10. Which subphylum of Chordata is known as Tunicatae?

Question 10 of 20

11. In which subphylum does the notochord persist throughout life?

Question 11 of 20

12. Which class of Vertebrata lacks jaws?

Question 12 of 20

13. What type of endoskeleton do Chondrichthyes have?

Question 13 of 20

14. Which feature is present in Osteichthyes but absent in Chondrichthyes?

Question 14 of 20

15. What type of caudal fin is found in Osteichthyes?

Question 15 of 20

16. Which class of Tetrapoda lives on both land and in water?

Question 16 of 20

17. Why do amphibians lack an exoskeleton?

Question 17 of 20

18. Which class of vertebrates has dry, scaly skin?

Question 18 of 20

19. Which reptile has a four-chambered heart?

Question 19 of 20

20. What forms the primary exoskeleton of Aves?

Question 20 of 20

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