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The part of the nephron that helps in active reabsorption of s
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The part of the nephron that helps in active reabsorption of sodium is

A
Bowman’s capsule

B
distal convoluted tubules

C
ascending limb of Henle’s loop

D
proximal convoluted tubules

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Updated on: Jan 15, 2023

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Xtract Objective Biology for NEET (Disha)

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Loop of Henle is a U- shaped tube that consists of an ascending and descending limb. Its primary role is to concentrate the salts in the interstitium, the tissue surrounding the loop. Descending limb are thin walled and permeable to water but impermeable to salt and thus only indirectly contributes to the concentration of the interstitium. The ascending limbs are thick walled and impermeable to water. It actively reabsorbs the remaining 25% of the filtered and some amounts of , some is also reabsorbed by diffusion due to electrostatic attraction of reabsorbed .
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Practice questions from Xtract Objective Biology for NEET (Disha)

Question 1
Medium
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Views: 5,116

In the following question, a statement of Assertion is followed by a statement of Reason.
Assertion : Secreting hypotonic urine is effective in reducing urinary loss of water.
Reason : Hypotonic urine is more concentrated and higher in osmotic pressure than the blood.
  1. If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
  2. If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
  3. If Assertion is true but Reason is false.
  4. If both Assertion and Reason are false.
Topic

Topic:

Excretory Products and their Elimination

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Xtract Objective Biology for NEET (Disha)

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Question 2
Medium
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Views: 5,560

Which of the following statements is/are true?
(i) Urine is hypertonic in distal convoluted tubule.
(ii) When the urine passes into the collecting tubule, it becomes hypotonic.
(iii) Urine is isotonic in proximal convoluted tubule.
(iv) Urine becomes more and more hypotonic as it passes through the Henle’s loop.
  1. (i) and (iv) only
  2. (i), (ii) and (iii) only
  3. (ii) and (iii) only
  4. (iii) only
Topic

Topic:

Excretory Products and their Elimination

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Book:

Xtract Objective Biology for NEET (Disha)

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Question 3
Easy
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Select the option which shows correct matching of animal with their excretory organs and excretory product.
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    Excretory organs- renal tubules
    Excretory product- uric acid
  2. Animal- (rohu)
    Excretory organs- nephridial tubes
    Excretory product- ammonia
  3. Animal- salamander
    Excretory organs- kidney
    Excretory product- urea
  4. Animal- peacock
    Excretory organs- kidney
    Excretory product- urea
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Excretory Products and their Elimination

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Book:

Xtract Objective Biology for NEET (Disha)

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Question 4
Easy
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Views: 5,785

Atrial natriuretic factor (ANF) is released in response to the increase in blood volume and blood pressure. Which of the followings is not the function of ANF?
  1. It stimulates aldosterone secretion.
  2. inhibits the release of renin from JGA.
  3. stimulates salt loss in urine.
  4. inhibits sodium reabsorption from collecting duct.
Topic

Topic:

Excretory Products and their Elimination

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Xtract Objective Biology for NEET (Disha)

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Practice more questions from Excretory Products and their Elimination

Question 1
Medium
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Which of the following statements is/are true?
I. Urine is hypertonic in distal convoluted tubule.
II. When the urine passes into the collecting tubule, it becomes hypotonic.
III. Urine is isotonic in proximal convoluted tubule.
IV. Urine becomes more and more hypotonic as it passes through the Henle’s loop.
  1. I and IV
  2. I, II and III
  3. II and III
  4. I only
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Excretory Products and their Elimination

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The following substances are the excretory products in animals. Choose the least toxic form among them.
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Excretory Products and their Elimination

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Which one of the following statement is incorrect ?
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  3. Glomerulus along with Bowman's capsule is called the renal corpuscle
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Complete the analogy: Increase in blood pressure: Renin :: Decrease in blood pressure: _____
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Question Text
The part of the nephron that helps in active reabsorption of sodium is
Updated OnJan 15, 2023
TopicExcretory Products and their Elimination
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes189
Avg. Video Duration4 min