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 another name for an anabolic pathway?

A. Catabolic pathway
B. Biosynthetic pathway
C. Metabolic pathway
D. Cyclic pathway
Answer» C. Metabolic pathway
2.

The metabolic synthesis of biomolecules is known as _____

A. anabolism
B. catabolism
C. digestion
D. oxidation
Answer» B. catabolism
3.

The metabolic breakdown of biomolecules is known as _____

A. digestion
B. anabolism
C. catabolism
D. degradation
Answer» D. degradation
4.

The dynamic state of constituents of the body is the _____

A. serum flow
B. blood flow
C. metabolite flow
D. plasma flow
Answer» D. plasma flow
5.

Which of these do not characterize the flow of metabolites in the body?

A. It has a definite rate
B. It has a definite direction
C. Flow may be linear or circular
D. It follows arbitrary pathways
Answer» E.
6.

Biomolecules do not have a turnover. True or false?

A. True
B. False
Answer» C.
7.

Which of these statements is false regarding metabolism?

A. Most reactions occur in metabolic pathways
B. One metabolic reaction is linked to another in most cases
C. Metabolic pathways are linear in nature
D. Various metabolic pathways may crisscross each other
Answer» D. Various metabolic pathways may crisscross each other
8.

Which bond is hydrolyzed to convert a disaccharide into monosaccharides?

A. Disulfide bond
B. Hydrogen bond
C. Phosphodiester bond
D. Glycosidic bond
Answer» E.
9.

How can a disaccharide be converted into monosaccharides?

A. Hydrolysis
B. Phosphorylation
C. Dehydrogenation
D. Dehydration
Answer» B. Phosphorylation
10.

What is obtained when a molecule of carbon dioxide is removed from an amino acid?

A. Ketone
B. Aldehyde
C. Amine
D. Ester
Answer» D. Ester
11.

How do we convert an amino acid into an amine?

A. Addition of carbon dioxide
B. Removal or carbon dioxide
C. Addition of ammonia
D. Removal of ammonia
Answer» C. Addition of ammonia
12.

At which level does a metabolic reaction take place?

A. Biomolecular level
B. Cellular level
C. Tissue level
D. Organ level
Answer» B. Cellular level
13.

Which of these is not true about metabolism?

A. It involves the breaking down of biomolecules
B. It involves the formation of biomolecules
C. It is due to this process that biomolecules do not have a turnover
D. It involves various chemical reactions
Answer» D. It involves various chemical reactions
14.

Which of these statements is true about biomolecules?

A. Biomolecules cannot be broken down into simpler substances
B. Concentration of biomolecules can be expressed in mols/kelvin
C. Biomolecules have a turnover
D. Each cell has only two types of biomolecules
Answer» D. Each cell has only two types of biomolecules
15.

Which of these units is not used to express the concentration of biomolecules?

A. Mols/cell
B. Mols/liter
C. Mols/microliter
D. Mols/kelvin
Answer» E.