set 1 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 2 EXERCISES

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The following question based on digestion and excretion topic of general science mcq

Questions : Substances which are responsible for catalysing chemical reactions in living systems are

(a) DNA

(b) Bacteria

(c) Enzymes

(d) Proteins

The correct answers to the above question in:

Answer: (c)

Practice digestion and excretion (set 1) Online Quiz

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Question : 1

Given below are two statements.
Assertion (A):
Human body is incapable of digesting cellulose.
Reason (R):
Starch degrading enzyme, diastase, is found in human body.
Choose the correct answer from the code given below.
Code

a) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

b) Both (A) and (R) are true and (R) is the correct explanation of (A)

c) (A) is true, but (R) is false

d) (A) is false, but (R) is true

Answer: (a)

Question : 2

Enzyme is a

a) Bacterium

b) Vitamin

c) Bio-catalyst

d) Virus

Answer: (c)

Question : 3

With reference to the work of human kidney, consider the following statements.

  1. After the waste is removed in the kidney, the cleaner blood is sent back through renal artery.
  2. From Bowman’s capsule, the filtered liquid passes through tiny tubes where much of the glucose is reabsorbed and sent back to the blood in the renal vein.
Which of these statements is/are correct?

a) Only 2

b) Only 1

c) Both 1 and 2

d) Neither 1 nor 2

Answer: (c)

Question : 4

The stones present in the gall bladder affect the digestion of

a) Fat

b) Protein

c) Carbohydrate

d) Nucleic acid

Answer: (a)

Question : 5

When kidneys fail to function, there is accumulation of

a) Proteins in the body

b) Fats in the body

c) Sugar in the blood

d) Nitrogenous waste products in the blood

Answer: (d)

Question : 6

Assertion (A):
All the proteins in our food are digested in small intestine only.
Reason (R):
The proteindigesting enzyme from the pancreas are released into the small intestine.
Code

a) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

b) Both (A) and (R) are true and (R) is the correct explanation of (A)

c) (A) is true, but (R) is false

d) (A) is false, but (R) is true

Answer: (d)

GET digestion and excretion PRACTICE TEST EXERCISES

set 1

set 2

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