Question

Acrosome help the sperm to

• A. locate the ovum
• B. swim to the ovum
• C. penetrate the ovum
• D. none of these

Answer 1

The correct option is C

penetrate the ovum

The correct option is C.

Explanation of the correct option:

1. The sperm is comprised of a head, neck, middle piece, and tail.
2. The whole body of sperm is enveloped by the plasma membrane.
3. The head contains acrosome which helps the sperm to penetrate the egg cells by secreting sperm lysin (enzyme).

Explanation of the incorrect option:

Option A

1. Changes occur in the sperm that help to locate and fertilize the ovum called capacitation.
2. Proteins in the cell membrane of sperm play an important role to find their way to the egg.

Option B

The long cytoplasmic tail helps the sperm swim in seminal fluids toward the ovum.

Final answer: Acrosome helps the sperm to penetrate the ovum.