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Class 11 Biology Chapter 7 Structural Organisation In Animals Quiz 3 (25 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Component of blood responsible for producing antibodies is?

Correct Answer: D) Lymphocytes.

2. The structure present in man but absent in frog is-

Correct Answer: B) Salivary gland.

3. What is the significance of the frog's ability to absorb water through the skin?

Correct Answer: A) It allows frogs to hydrate without drinking.

4. What is the significance of frogs in the food chain?

Correct Answer: A) They serve as an important link in the food chain and food web.

5. Which is the most flexible cartilage in the body

Correct Answer: B) Elastic cartilage.

6. Exoskeleton in cockroach forms plates called

Correct Answer: C) Sclerites.

7. The epithelium which forms the inner wall of blood vessels is .....

Correct Answer: C) Squamous epithelium.

8. Lines ducts and glands

Correct Answer: B) Cuboidal.

9. Epithelial tissue regenerate really quickly

Correct Answer: A) True.

10. Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?

Correct Answer: C) Basophils.

11. What is the role of the liver in digestion?

Correct Answer: A) It produces bile that helps emulsify fats.

12. What adaptive feature helps frogs avoid predators by blending with surroundings?

Correct Answer: A) Camouflage.

13. Used in places where diffusion needs to occur, such as blood vessels and air sacs in the lungs

Correct Answer: C) Simple Squamous.

14. Connective tissue is

Correct Answer: A) The tissue that protects, supports, and binds together other body tissue.

15. When a ..... is suitably stimulated, an electrical disturbance is generated which swiftly travel along its plasma membrane

Correct Answer: A) Neuron.

16. Frog's heart when taken out of the body continues to beat for sometime.I . Frog is a poikilotherm.II. Frog does not have any coronary circulationIII. Hear is myogenic in nature.IV. Hear is autoexcitable

Correct Answer: D) III and iv.

17. The basement membrane is made up of

Correct Answer: C) No cell at all but is a product of epithelial cell.

18. This type of epithelium has only one layer of cells

Correct Answer: B) Simple epithelium.

19. How many of the following statement are related to bone are correct?a.it is specialised connective tissue having hard and pliable ground substance rich in calcium salt and collagen fibrewhich give bone its strength.b.it is the main tissue that provide structural frame to the body.c.it supports and protects softer tissue and organs.d.bone cell osteocytes present in a space called lacunae.

Correct Answer: A) Three.

20. Neurons have a nucleus.

Correct Answer: A) True.

21. Which statement best describes cutaneous respiration in frogs?

Correct Answer: A) Oxygen diffuses through moist skin.

22. Which pair correctly matches seasonal dormancy in frogs with its condition?

Correct Answer: C) Aestivation-summer sleep.

23. Nervous tissue

Correct Answer: D) Tissue that receives and conducts electrochemical impulses from one part of the body to another.

24. What is a tissue in multicellular animals?

Correct Answer: B) A group of similar cells performing a specific function.

25. Which statement best distinguishes unicellular from multicellular animals?

Correct Answer: C) Unicellular animals use one cell for all functions.

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