digestion and excretion - Category wise Question and Answer Practice Test with Solutions

Question : 11 [UPPCS (Pre) 2017]

The stones present in the gall bladder affect the digestion of

a) Fat

b) Protein

c) Carbohydrate

d) Nucleic acid

Question : 12 [BPSC (Pre) 2000]

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

a) DNA

b) Bacteria

c) Enzymes

d) Proteins

Question : 13 [UPPCS (Pre) 2017]

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

Question : 14 [PSC (Pre) 2018]

Enzyme is a

a) Bacterium

b) Vitamin

c) Bio-catalyst

d) Virus

Question : 15 [IAS (Pre) 2002]

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.

a) Only 2

b) Only 1

c) Both 1 and 2

d) Neither 1 nor 2