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Class 11 Biology Chapter 7 Structural Organisation In Animals Quiz 4 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Identify the correct chambers of a frog's heart.

Correct Answer: C) Two atria and one ventricle.

2. Animal gtissue are broadly classified in to four types as

Correct Answer: D) Neural, epithelium, connective and muscular.

3. Found in organs like the bladder that need to stretch

Correct Answer: D) Transitional.

4. Neck is absent in frog. This helps in-

Correct Answer: C) Jumping on ground.

5. On an average female coackroach produces ..... a ..... oothecae, each containing ..... b ..... eggs.the nymphs grows moulting about ..... c ..... times ton reach theb adult form.

Correct Answer: A) A.9-10, b-14to16, c-13.

6. What ecological role do frogs play?

Correct Answer: B) They eat insects and maintain ecological balance.

7. Cuboidal epithelium with brushborder Of microvilli is found in

Correct Answer: B) Proximal convoluted tubule Ofnephron.

8. Earthworms don't have teeth to grind their food so they use another organ to do so. It is called a .....

Correct Answer: B) Gizzard.

9. In frogs, excretory wastes are carried to the kidneys by what?

Correct Answer: D) Blood circulation.

10. Goblet cells of alimentary canalare modified from

Correct Answer: A) Columnar epithelial cellschondrocytes.

11. Which of the following features is not present in Periplaneta americana?

Correct Answer: A) Indeterminate and radial cleavage during embryonic development.

12. Sexual diamorphism in coackroach is shown by

Correct Answer: B) Anal style which are present in male only.

13. What is the role of the cloaca in the reproductive system of frogs?

Correct Answer: A) It serves as a common passage for excretory and reproductive products.

14. How is the frog brain regionally organized?

Correct Answer: A) Forebrain, midbrain, hindbrain.

15. The adult frog is-

Correct Answer: B) Carnivorous.

16. Which option correctly orders structural organisation levels from simplest to most complex in animals?

Correct Answer: B) Cell $\rightarrow$ tissue $\rightarrow$ organ $\rightarrow$ organ system.

17. Which statement about frog limbs is accurate?

Correct Answer: B) Hind limbs are larger and muscular.

18. A scientist studies how stomach, lung, heart and kidney are formed from basic tissues arranged in specific patterns. Which concept is being applied?

Correct Answer: A) Organ formation from organised tissues.

19. Which type of tissue correctly matches with its location?

Correct Answer: D) Smooth muscle-Wall of intestine.

20. In frog, food is captured by-

Correct Answer: B) Bilobed tongue.

21. In the male frog, vasa efferentia connect the testes to which structure?

Correct Answer: D) Bidder's canal in kidneys.

22. What type of muscle(s) is involuntary?

Correct Answer: C) Smooth and cardiac.

23. The connective tissue that connects bones at the joints is .....

Correct Answer: C) Ligament.

24. What is not found in skin of frog?

Correct Answer: A) Scales.

25. What physiological functions are enhanced by epithlial cells bearing microvilli and cilia?

Correct Answer: A) Increased surface area for absorption & capturing debris.

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