Testis — Chemical coordination and integration NEET Questions 2026

Sample Questions — Testis

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MCQ

How do androgens regulate protein metabolism?

A. Inhibit protein synthesis
B. Stimulate anabolic pathways
C. Promote protein breakdown
D. Store protein as glucose

✅ Correct Answer: B

Androgens promote anabolic protein metabolism.

MCQ

What is the main function of Leydig cells in the testis?

A. Gamete storage
B. Muscle contraction
C. Sperm motility
D. Hormone secretion

✅ Correct Answer: D

Leydig cells are responsible for androgen secretion.

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MCQ

Why is the testis considered a dual-function gland?

A. It acts both as a hormone and enzyme source
B. It produces both eggs and sperm
C. It is both a primary sex organ and an endocrine gland
D. It regulates blood glucose and pressure

✅ Correct Answer: C

Testis performs both gamete-producing and hormone-secreting functions.

MCQ

Match the structure with its function: Column I A. Leydig cells B. Seminiferous tubules C. Testosterone D. Scrotal sac Column II (i) Houses testes (ii) Stimulates male sex organs (iii) Produces sperm (iv) Secretes androgens

A. A–(ii), B–(iii), C–(iv), D–(i)
B. A–(iv), B–(iii), C–(ii), D–(i)
C. A–(iii), B–(ii), C–(iv), D–(i)
D. A–(i), B–(ii), C–(iii), D–(iv)

✅ Correct Answer: B

All pairs accurately reflect structure-function relationships.

MCQ

How do androgens influence male sexual behavior?

A. Through peripheral nervous system
B. Through hormone inhibition
C. Via central neural system
D. Through muscular contraction

✅ Correct Answer: C

Male sexual behavior (libido) is mediated through CNS influenced by androgens.

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