Directions: In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A) : The region outside the seminiferous tubules is called interstitial spaces, which contain Leydig's cells. Reason (R) : Leydig's cells synthesize and secrete testicular hormones called androgen.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A) : Urethra in human male act as a urogenital canal. Reason (R) : Urethra carries only urine while sperms are carried by vasa deferentia only.

Assertion (A) is false but reason (R) is true.

Assertion (A) is true but reason (R) is false.

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Directions: In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A) : Large members of mitochondria are present in the middle piece of sperm. Reason (R) : Numerous mitochondria in the middle piece of sperm produce energy which is required for their movement.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A) : In human male, testes are extra- abdominal and lie in scrotal sacs. Reason (R) : Scrotum acts as thermoregulator and keeps temperature lower by 2°C for normal sperm production.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A) : Vasa efferentia develop from rete testis. Reason (R) : Sperm conduction takes place by the ciliary current.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A) : Oxytocin helps in parturition. Reason (R) : Oxytocin acts on uterine muscle and causes expulsion of the foetus.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Directions: In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as: Assertion (A) : Endometrium is a mucosal tissue made up of two layers. Reason (R) : It is an inner lining of the uterus. Each month it thickens and renews itself, preparing for pregnancy.

Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).

Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).

Assertion (A) is true but reason (R) is false.

Assertion (A) is false but reason (R) is true.

Assertion (A): The menstrual cycle is regulated by changes in the levels of pituitary and ovarian hormones. Reason (R): The menstrual cycle begins before a female reaches sexual maturity.

If both Assertion and Reason are true and Reason is the correct explanation of Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion

If Assertion is true but Reason is false

If both Assertion and Reason are false

Assertion (A): The process of formation of mature female gametes is called oogenesis. Reason (R): Only one ovum is released in menstruation.

If both Assertion and Reason are true and Reason is the correct explanation of Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion

If Assertion is true but Reason is false

If both Assertion and Reason are false

Assertion (A): The presence of a Y chromosome in sperm determines the sex of the embryo. Reason (R): The zygote undergoes repeated mitotic division to form a blastocyst before implantation.

If both Assertion and Reason are true and Reason is the correct explanation of Assertion

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion

If Assertion is true but Reason is false

If Assertion is false but Reason is true

Human Reproduction- Assertion and Reason Type Questions- 1 Free MCQ Practice Test with Solutions

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Important Questions for Human Reproduction- Assertion & Reason Type Questions- 1

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