Question

The unfertilized human female gamete is usually about ________ in diameter.

• A. 60 $\mu$m
• B. 70 $\mu$m
• C. 40 $\mu$m
• D. 100 $\mu$m

Hint:

Human ovum is much larger than sperm due to stored cytoplasm.

Answer 1

The Correct Option is D

Step 1: Understanding human ovum.
The human ovum is the largest cell in the human body and is visible to the naked eye under suitable conditions.

Step 2: Size of ovum.
The diameter of an unfertilized human ovum is approximately 100 micrometres.

Step 3: Conclusion.
Thus, the correct diameter of the human female gamete is 100 $\mu$m.