Question

Which of these is not present in an animal cell?

• A. Mitochondria
• B. Nucleus
• C. Cell membrane
• D. Plastids

Answer 1

The correct option is D

Plastids

The correct option is (D):

Explanation for the correct option:

1. Plastids are the double membranous structures that are present in plants only.
2. These are mainly of 3 types- Chloroplast, Chromoplast and Leucoplast.

Explanation for incorrect options:

Option (A):

1. Mitochondria is the double membranous organelle present in both plants and animals.
2. It is known as the powerhouse of the cell.

Option (B):

1. A small double membranous structure present in the cytoplasm of the cells is the nucleus.
2. It is present in both plants and animals,
3. It regulates the transfer of characters from parents to the offspring.

Option (C):

1. Cell membrane is a thin, flexible membrane which surrounds the interior of the cells.
2. These are semi permeable in nature.

Final answer: Plastids are not present in an animal cell.