Explore topic-wise MCQs in Biology.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

What is an amphibolic pathway?

A. Breaking down processes
B. Another name for catabolic processes
C. Both anabolic and catabolic processes
D. Another name for anabolic processes
Answer» D. Another name for anabolic processes
2.

In mitochondria, which of the following is the site for the oxidation-reduction reaction?

A. Inner membrane
B. Outer membrane
C. Matrix
D. Cristae
Answer» E.
3.

What is meant by anabolism?

A. Synthesis of some molecules
B. Breaking down of molecules
C. Joining of bonds
D. Shifting of bonds
Answer» B. Breaking down of molecules
4.

What is catabolism?

A. Joining of substances
B. Breaking down processes
C. Continuous processes
D. Discontinuous processes
Answer» C. Continuous processes
5.

The respiratory pathway comes into the picture in both the breakdown and synthesis of fatty acids.

A. True
B. False
Answer» B. False
6.

What would happen if organisms need to synthesise fatty acids which had already broken down into acetyl CoA?

A. Acetyl CoA would be withdrawn from the pathway
B. Acetyl CoA would be further broken down
C. Ethanol would be released
D. Glycerol would be released
Answer» B. Acetyl CoA would be further broken down
7.

Which pathway was respiration traditionally considered as?

A. Anabolic pathway
B. Catabolic pathway
C. Amphibolic pathway
D. Bolic pathway
Answer» C. Amphibolic pathway
8.

Which of the following are responsible for the degradation of proteins?

A. Lipases
B. DNase
C. RNase
D. Proteases
Answer» E.
9.

Glycerol would enter the pathway after being converted to malic acid.

A. True
B. False
Answer» C.
10.

For the fats to be respired, what are they broken into?

A. Glycerol and fatty acids
B. Glycerol and ethanol
C. Fatty acids only
D. Glycerol only
Answer» B. Glycerol and ethanol
11.

Which of the following is the favoured substance for respiration?

A. Sucrose
B. Lactose
C. Glucose
D. Mannose
Answer» D. Mannose
12.

For each ATP produced, how many protons pass through the intermembrane space?

A. One
B. Two
C. Three
D. Four
Answer» C. Three
13.

What kind of compound is F0 particle?

A. Peripheral protein
B. Cutaneous protein
C. Embedded protein
D. Integral protein
Answer» E.
14.

What kind of protein is F1 that is present in Complex V?

A. Peripheral protein
B. Embedded protein
C. Integral protein
D. Membrane less protein
Answer» B. Embedded protein
15.

How many major components are there in Complex V of ETS?

A. One
B. Two
C. Three
D. Four
Answer» C. Three