AIIMS2019ZoologyHuman Reproduction
Assertion: Human male ejaculates about 5-10 million sperms during coitus. Reason : For normal fertility, at least 40 per cent sperms must have normal shape and size.
Options
- AIf both assertion and reason are true and reason is the correct explanation of assertion.
- BIf both assertion and reason are true but reason is not the correct explanation of assertion.
- CIf assertion is true but reason is false.
- DIf both assertion and reason are false.
Correct answer
D. If both assertion and reason are false.
Step-by-step solution
A single ejaculation of semen by male contains 200 to 300 million sperms of which for normal fertility at least 60 per cent sperms must have normal shape and size and at least 40 per cent of them must show vigorous motility.