300+ TOP MCQs on Osmoregulation and Answers

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Osmoregulation Multiple Choice Questions

MCQs on Osmoregulation :

1. In Paramoecium, osmoregulation is a function of
(a) cytostome
(b) contractile vacuole
(c) cytopyge
(d) trichocysts

Answer

Answer: (b)

2. Osmoregulators carry out excretion of salt through
(a) gills
(b) fins
(c) scales
(d) bladder

Answer

Answer: (a)

3. Without restoration, if excess water passes out from the tissues of kidney, the cells would
(a) shrivel and die
(b) burst open and die
(c) not get affected at all
(d) take water from plasma

Answer

Answer: (c)

4. This is used as an osmolyte in humans to increase medullary interstitial osmolality during concentration of urine
(a) Urea
(b) TMAO
(c) (a) and (b) both
(d) Uric acid

Answer

Answer: (a)

5. A person on a long hunger strike, surviving only on water will have
(a) less amino acids in his urine
(b) more sodium in hir urine
(c) less urea in his urine
(d) more glucose in his blood

Answer

Answer: (c)

6. Mechanism of regulation, typically between entities and its environment of solutes and the loss and gain of water is known as
(a) Homeostasis
(b) Thermoregulation
(c) Hemostasis
(d) Osmoregulation

Answer

Answer: (d)

7. Most of the marine invertebrates are
(a) Osmoregulators
(b) Osmoconformers
(c) both depend on sea water concentration
(d) None of the above

Answer

Answer: (b)

8. Kidney matrix retains some quantity of urea to maintain
(a) metabolism
(b) micturition
(c) desired osmolarity
(d) balance of the body

Answer

Answer: (c)

9. This is not a primary function of protonephridia
(a) excretion
(b) osmoregulation
(c) fluid volume regulation
(d) ionic volume regulation

Answer

Answer: (a)

10.This is both osmoregulator and a nitrogenous product
(a) Uric acid
(b) Urea
(c) NH3
(d) All of the above

Answer

Answer: (b)

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