The largest gland in the human body is the: MCQ with Answer and Explanation

The largest gland in the human body is the:
A. Spleen
B. Pancreas
C. Liver
D. Thyroid
Answer: Option C
Solution (By JKSSB Mock Tests)
The liver is the largest internal organ and gland, weighing about 1.5 kg in an adult. It performs over 500 functions, including bile production, detoxification, metabolism of carbohydrates, lipids, and proteins, and synthesis of plasma proteins. The pancreas and thyroid are smaller glands, the spleen is not a gland.

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Practice More Biology Questions

Question #1
The process by which bacteria reproduce asexually is:
A. Transformation
B. Binary fission
C. Conjugation
D. Budding

Correct Answer: Option B


Explanation:
Binary fission is the primary asexual reproduction method in bacteria, where the cell divides into two identical daughter cells after DNA replication. Budding occurs in yeast and some bacteria. Conjugation and transformation are methods of genetic exchange, not reproduction. Binary fission allows rapid population growth.

This question belongs to: Science Biology
Question #2
The type of immunity resulting from the injection of ready-made antibodies is:
A. Active immunity
B. Passive immunity
C. Cell-mediated immunity
D. Innate immunity

Correct Answer: Option B


Explanation:
Passive immunity is acquired by receiving pre-formed antibodies from another source, providing immediate but temporary protection. Examples: antivenom, immune globulin injections, and maternal antibodies. Active immunity is generated by the body's own immune system (infection or vaccination). Innate is non-specific, cell-mediated is T-cell based.

This question belongs to: Science Biology
Question #3
The plant tissue responsible for growth in length is:
A. Lateral meristem
B. Cambium
C. Sclerenchyma
D. Apical meristem

Correct Answer: Option D


Explanation:
Apical meristems at root and shoot tips undergo cell division, causing primary growth (increase in length). Lateral meristems increase girth.

This question belongs to: Science Biology