Question

The biggest cell is :

• A. Ostrich egg
• B. PPLO
• C. Human cell
• D. Amoeba

Answer 1

The correct option is A

Ostrich egg

The correct option is A.

Explanation of the correct option:

1. The cells are so tiny that they can be seen only through a microscope (except for some).
2. The largest cells are the ostrich egg.
3. It measures about $170\times 135mm$in diameter.

Explanation of the incorrect options:

Option B:

PPLO (Pleuro pneumonia-like organism) is the smallest cell having a diameter of around 0.1 micrometers,

Option C:

Various human cells vary in size. The smallest cell in humans is sperm in males and the largest cell is the ovum cell in the female

Option D:

1. Amoeba is a unicellular eukaryotic organism.
2. Its size varies from 2.3 to 3 micrometers in diameter.

Final answer: The biggest cell is the ostrich egg.