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

Question : 6 [UP (Mains) 2013]

Enzymes are basically

a) Sugars

b) Fats

c) Proteins

d) Vitamins

Question : 7 [RAS/RTS (Pre) 2013]

Identify the correct pair of enzyme and its function.

a) E. coli restriction endonucleaseII - Cuts DNA at specific places

b) Acid phosphatase - Mitochondrial marker enzymes related to oxidative functions

c) Acrosin - Cortical granules of ovum secrete it to prevent polyspermic fertilization

d) Succinic dehydrogenase - Lysosomal marker enzyme, hydrolyses metabolites

Question : 8 [UPPCS (Mains) 2016]

Digestion of Lipids takes place in the presence of some of the following.

1. Bile acids
2. Lipases
3. Pepsin

a) Only 1 and 3 are correct

b) Only 1 is correct

c) Only 1 and 2 are correct

d) 1, 2 and 3 are correct

Question : 9 [IAS (Pre) 2005]

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

Question : 10 [PCS (Pre) 2007]

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