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Class 11 Biology Chapter 19 Excretory Products And Their Elimination Quiz 10 (13 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which segment is responsible for Conditional reabsorption of Na+ and water?

Correct Answer: D) DCT.

2. Which one plays an important role in counter current mechanism?

Correct Answer: D) A and c.

3. Glycosuria and Ketonuria in urine are indicative of

Correct Answer: C) Diabetes mellitus.

4. Counter current mechanism into maintain the concentration gradient in the medullary interstitium. This special arrangement occurs in:-

Correct Answer: C) Henle's loop and vasa recta.

5. Effective filtration pressure in the glomerulus is caused due to

Correct Answer: C) Afferent arteriole has slightly larger diameter than efferent arteriole.

6. Which of the following statements is wrong about the human excretory system?

Correct Answer: C) Right kidney is a little higher level than the left one.

7. The urine a man is very dilute and the quantity of urine is too much and dehydration has started in his body and he is very thirsty by the cause of

Correct Answer: B) Hyposecretion of ADH.

8. Which of the following statements are correct?A)An excessive loss of body fluid from the body switches of osmoreceptorsB)ADH facilitates water reabsorption to prevent diuresisC) ANF causes vasodilationD)ADH causes increasing blood pressureE)ADH is responsible for decrease in GFRChoose the correct option given below

Correct Answer: D) B, C & D only.

9. What is the function of the collecting duct in the nephron?

Correct Answer: B) Reabsorption of water and electrolytes.

10. Tubular secretion helps to maintain a proper acid-base balance by removing one of the following from blood-

Correct Answer: A) H$^{+}$ and NH$_{3}$.

11. Juxta medullary Nephrons are Characterised by

Correct Answer: C) Loop of Henle very long and extend into the medulla.

12. Glucose is mainly absorbed in

Correct Answer: A) PCT.

13. Which of the following would contain blood in a normally functioning nephron?(a) (b) (c)(d)

Correct Answer: A) Vasa recta.

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