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.

Which of these is not a primary metabolite?

A. Starch
B. Gum
C. Keratin
D. Myosin
Answer» C. Keratin
2.

Which of these secondary metabolites is useful for human welfare?

A. Curcumin
B. Abrin
C. Ricin
D. Gums
Answer» B. Abrin
3.

Vinblastine is a _____

A. Terpenoid
B. Pigment
C. Drug
D. Essential oil
Answer» D. Essential oil
4.

Which of these is a lectin?

A. Codeine
B. Monoterpene
C. Concanavalin A
D. Anthocyanin
Answer» D. Anthocyanin
5.

Which of these proteins is a secondary metabolite?

A. Myosin
B. Keratin
C. Elastin
D. Ricin
Answer» E.
6.

Essential oils are a secondary metabolite. True or false?

A. True
B. False
Answer» B. False
7.

What is abrin?

A. Alkaloid
B. Pigment
C. Toxin
D. Drug
Answer» D. Drug
8.

Which of these is a primary metabolite?

A. Diterpene
B. Codeine
C. Anthocyanin
D. Triacylglycerol
Answer» E.
9.

Codeine is a(n) _____

A. Lipid
B. Toxin
C. Alkaloid
D. Pigment
Answer» D. Pigment
10.

Which of these is an alkaloid?

A. Abrin
B. Morphine
C. Ricin
D. Anthocyanin
Answer» C. Ricin
11.

What are anthocyanins?

A. Pigment
B. Alkaloid
C. Drug
D. Toxin
Answer» B. Alkaloid
12.

Which of these is a pigment?

A. Codeine
B. Ricin
C. Carotenoid
D. Curcumin
Answer» D. Curcumin
13.

Which of these statements is false regarding primary metabolites?

A. They have identifiable functions
B. They play a role in normal physiological processes
C. Secondary metabolites are derived from primary metabolites
D. Lipids are primary metabolites
Answer» D. Lipids are primary metabolites
14.

Which of these is a secondary metabolite?

A. Proteins
B. Lipids
C. Vitamins
D. Steroids
Answer» E.