Explore topic-wise MCQs in Human Physiology.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Human Physiology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which is the common problem with the endocrine system?

A. Bad gas
B. Diabetes
C. Hemophilia
D. Lung cancer
Answer» C. Hemophilia
2.

Which of the following is true about melanin secretion?

A. More melatonin is secreted at night and day.
B. More melatonin is secreted at day
C. Melatonin can help regulate sleep cycles
D. Melatonin is secreted at noon
Answer» B. More melatonin is secreted at day
3.

Which of the following is not an effect of pineal body secretion?

A. Inhibition of GnRH
B. Inhibition of reproductive functions
C. Help regulation of sleep cycle
D. Stimulation of appetite
Answer» E.
4.

The pineal gland secretes __________

A. MSH
B. Melatonin
C. Melanin
D. Prolactin
Answer» C. Melanin
5.

Which of these cell surface markers is unique to T cells?

A. CD3
B. CD15
C. CD45
D. CD83
Answer» B. CD15
6.

Which of the following is not a primary lymphoid tissue?

A. Thymus
B. Spleen
C. Bone marrow
D. Foetal liver
Answer» C. Bone marrow
7.

Thymus, spleen, tonsils and adenoids produces _________

A. Phagocytes
B. Lymphocytes
C. Erythrocytes
D. Rhombocytes
Answer» C. Erythrocytes
8.

Thymus aids differentiation of ___________ cells.

A. Red blood
B. B
C. T
D. Cancerous
Answer» D. Cancerous
9.

Thymus size increases with aging.

A. True
B. False
Answer» C.
10.

Mammalian thymus is mainly associated with _________

A. Secretion of thyrotrophin
B. Regulation of body growth
C. Regulation of body temperature
D. Immunological functions
Answer» E.
11.

Damage to thymus in a child may lead to __________

A. Loss of cell mediated immunity
B. Loss of antibody mediated immunity
C. Reduction in stem cell production
D. Reduction in hemoglobin content
Answer» B. Loss of antibody mediated immunity
12.

Hassall s corpuscles are found in _________

A. Adrenalin gland
B. Spleen
C. Thymus
D. Parathyroid gland
Answer» D. Parathyroid gland