Explore topic-wise MCQs in Biology.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Where does glucose get converted to lactic acid in the body?

A. Liver
B. Skeletal muscles
C. Spleen
D. Stomach
Answer» C. Spleen
2.

How many steps are involved in the conversion of glucose to lactic acid?

A. 4
B. 6
C. 10
D. 12
Answer» D. 12
3.

Which of these processes liberate energy?

A. Formation of protein from amino acids
B. Formation of glycogen from glucose
C. Formation of lactic acid from glucose
D. Formation of cholesterol from acetic acid
Answer» D. Formation of cholesterol from acetic acid
4.

Which of these processes require energy?

A. Formation of acetic acid from cholesterol
B. Formation of glucose from glycogen
C. Formation of pyruvate from glucose
D. Formation of protein from amino acids
Answer» E.
5.

The dissolution of carbon dioxide in water is a catalyzed reaction in the body. True or false?

A. True
B. False
Answer» B. False
6.

Which of these is an example of catabolism?

A. Glucose to glycogen
B. Acetic acid to cholesterol
C. Glucose to pyruvate
D. Amino acids to polypeptides
Answer» D. Amino acids to polypeptides
7.

Which of these is an example of anabolism?

A. Glucose to pyruvate
B. Glucose to lactic acid
C. Glycogen to glucose
D. Acetic acid to cholesterol
Answer» E.
8.

Which of these is true about enzymes?

A. All enzymes have catalytic power
B. Enzymes are active at high temperatures
C. Enzymes are carbohydrates
D. Enzymes often get depleted
Answer» B. Enzymes are active at high temperatures
9.

Which of these are biocatalysts?

A. Neurotransmitters
B. Hormones
C. Enzymes
D. Trace elements
Answer» D. Trace elements
10.

Enzymes are _____

A. lipids
B. proteins
C. polysaccharides
D. lipoproteins
Answer» C. polysaccharides
11.

Catalysts that enhance the rate of metabolic reactions are _____

A. proteins
B. lipids
C. lipoproteins
D. polysaccharides
Answer» B. lipids
12.

Which of these is a physical process?

A. Combustion of hydrocarbons
B. Curdling of milk
C. Dissolving carbon dioxide in water
D. Rusting of iron
Answer» D. Rusting of iron
13.

Which of these statements is true about metabolism?

A. Metabolic pathways are always circular
B. Metabolic pathways are always linear
C. All metabolic reactions are catalyzed
D. The level of metabolites is always constant
Answer» D. The level of metabolites is always constant
14.

Which of these is mandatory for all metabolic reactions?

A. Breakdown of biomolecules
B. Synthesis of biomolecules
C. Presence of inhibitor
D. Presence of catalyst
Answer» E.