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Class 11 Biology Chapter 19 Excretory Products And Their Elimination Quiz 3 (25 MCQs)

Quiz Instructions

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1. Inner to the hilum of kidney is a broad funnel shaped space called:

Correct Answer: C) Pelvis.

2. Which segment is resposible for maximumwater and ion reabsorption?

Correct Answer: D) PCT.

3. The less amount of water is lost with the excretion of which nitrogenous product?

Correct Answer: D) Urea and uric acid.

4. Which of the following would help in prevention of diuresis?

Correct Answer: B) Reabsorption of sodium (Na+) and water from renal tubules due to aldosterone.

5. Which of the following nitrogenous wastes requires hardly any water for its excretion?

Correct Answer: C) Uric acid.

6. Which of the following correctly explains the function of a specific part of a human nephron?

Correct Answer: D) Podocytes-create minute spaces (slit pores) for the filtration of blood into the Bowman's capsule.

7. Statement 1:To maintain a desired osmolarity some amount of urea may be retained in the kidney matrix of some animalsStatement2:Mammals, many terrestrial amphibians and marine fishes are ureotelic animals. 1. Statement 1 is correct but statement 2 is incorrect2. Statement 1 is incorrect but statement 2 is correct3. Both statements are correct4. Both statements are incorrect

Correct Answer: C) 3.

8. Which type of animals primarily excrete urea?

Correct Answer: C) Ureotelic.

9. What organ in the excretory system helps get rid of body heat and sweat?

Correct Answer: C) Skin.

10. The functional kidney of man is

Correct Answer: A) Metanephric.

11. Antidiuretic hormone secretion increases when the hypothalamus is stimulated by-

Correct Answer: C) Osmoreceptors.

12. Column of Bertin is an extension of

Correct Answer: A) Cortex into medulla.

13. PCT helps to maintain the pH and ionic balance of body fluids by-

Correct Answer: C) Both a and b.

14. Sebaceous glands Eliminate

Correct Answer: D) All.

15. Kidney stones are produced due to deposition of ..... and .....

Correct Answer: D) Uric acid, calcium oxalate.

16. Which one of the following characteristics iscommon both in humans and adult frogs?

Correct Answer: D) Ureotelic mode of excretion.

17. In which of the following organisms malpighian tubule is found?

Correct Answer: A) Honey Bee.

18. Minimum reabsorption occurs in this segment.

Correct Answer: B) Loop of Henle.

19. Protonephridia are excretory structures in

Correct Answer: E) All of the above.

20. Which of the following is not a function of kidney?

Correct Answer: D) Secretion of antibiotics.

21. Which factor help in maintaining an increasing osmolarity towards the inner medullary interstitium?

Correct Answer: C) Both of them.

22. Which of the following statements about proximal convoluted tubule (PCT) is false?

Correct Answer: C) PCT is not the site of selective secretion.

23. Which one of the following statements is correct with respect to kidney function regulation

Correct Answer: D) When someone drinks lot of water ADH is suppressed.

24. The glomerular capillaries cause filtration of blood through ..... layers-

Correct Answer: C) 3.

25. Animals accumulate following products produced either by metabolic activities or excessive ingestion

Correct Answer: D) All of the above.

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