Excretory Products And Their Elimination — DPP 2

20 NEET questions from Excretory Products And Their Elimination, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

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1
Renin is released by;
  1. A PCT
  2. B Collecting duct
  3. C Juxtaglomerular apparatus
  4. D Renal pelvis
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Correct answer: C

2
ADH controls water permeability of;
  1. A Distal convoluted tubule
  2. B Proximal convoluted tubule
  3. C Henle's loop
  4. D All of these
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Correct answer: A

3
Excretion of dilute urine is due to;
  1. A more secretion of aldosterone.
  2. B less secretion of vasopressin.
  3. C less secretion of glucagon.
  4. D more secretion of vasopressin.
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Correct answer: B

4
Vasopressin is mainly responsible for;
  1. A reabsorption of water through Bowman's capsule.
  2. B reabsorption of water from DCT.
  3. C reabsorption of water from Henle's loop.
  4. D reabsorption of water from PCT.
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Correct answer: B

5
Liquid filtered in the cavity of Bowman's capsule is;
  1. A concentrated urine.
  2. B blood plasma minus blood proteins.
  3. C glycogen and water.
  4. D sulphates and water.
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Correct answer: B

6
Filtration of the blood takes place at;
  1. A Loop of Henle
  2. B DCT
  3. C Collecting duct
  4. D Malpighian body
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Correct answer: D

7
Functioning of the kidneys is efficiently monitored and regulated by;
  1. A Neural feedback mechanisms
  2. B Hormonal feedback mechanisms
  3. C Renal feedback mechanisms
  4. D Both (1) and (2)
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Correct answer: B

8
Podocytes cells are present in;
  1. A Inner wall of Bowman's capsule
  2. B Outer wall of Bowman's capsule
  3. C Loop of Henle
  4. D DCT
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Correct answer: A

9
Following substances are the excretory products in animals. Choose the least toxic form among them.
  1. A Urea
  2. B Uric acid
  3. C Ammonia
  4. D None of these
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Correct answer: B

10
Blood from the glomerulus is carried away by _________.
  1. A an afferent arteriole
  2. B a renal vein
  3. C a renal artery
  4. D an efferent arteriole
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Correct answer: D

11
GFR in a healthy individual is approximately $125 \mathrm { ml } /$ minute , i.e., ;
  1. A 120 litres per day!
  2. B 180 litres per day!
  3. C 140 litres per day!
  4. D 160 litres per day!
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Correct answer: B

12
Liver secretes bile containing substances like bilirubin, biliverdin, cholesterol, degraded steroid hormones, vitamins and drugs. Most of these substances ultimately pass out along with;
  1. A Urine
  2. B Digestive wastes
  3. C Sweating
  4. D Secretion of sebum
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Correct answer: B

13
Counter-current mechanism helps to maintain a concentration gradient in the medullary interstitium. Presence of such interstitial gradient helps in an easy passage of water from the;
  1. A Vasa recta
  2. B Ascending limb of Henle's loop
  3. C Collecting tubule
  4. D DCT
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Correct answer: C

14
Malpighian body/renal corpuscle is constituted by;
  1. A Glomerulus only
  2. B Glomerulus and bowman's capsule
  3. C Bowman's capsule only
  4. D PCT and DCT
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Correct answer: B

15
Kidneys have built-in mechanisms for the regulation of GFR. One such efficient mechanism is carried out by;
  1. A JGA
  2. B ANF
  3. C PNS
  4. D All of these
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Correct answer: A

16
Osmotic gradient between the cortex and medulla is created by;
  1. A Urea
  2. B Ammonia
  3. C Sodium chloride
  4. D Both (1) and (3)
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Correct answer: D

17
ANF mechanism acts as a check on the;
  1. A Renin-angiotensin mechanism
  2. B Counter-current mechanism
  3. C Omithine cycle
  4. D Micturition reflex
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Correct answer: A

18
First step in urine formation is;
  1. A Tubular secretion
  2. B Tubular reabsorption
  3. C Ultrafiltration
  4. D Selective secretion
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Correct answer: C

19
Many collecting ducts converge through medullary pyramids in the calyces and open into;
  1. A Renal pelvis
  2. B Ducts of Bellini
  3. C Columns of Bertini
  4. D Vasa recta
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Correct answer: A

20
Reabsorption of chloride ions from glomerular filtrate in kidney tubule occurs by;
  1. A Active transport
  2. B Diffusion
  3. C Osmosis
  4. D Facilitated diffusion
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Correct answer: B

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