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 of the correct option

1. Plastids are the plant cell organelles, containing a pigment that helps in photosynthesis in green plants.
2. There are mainly three types of plastids depending on the pigment they contain and the color they impart to plant parts. (i) Chloroplasts (ii) Chromoplasts (iii) Leucoplast(colorless plastids).
3. The animal cells do contain plastid, they intake food from external sources.
   

Explanation of the incorrect options

Option A
The mitochondria are known as the powerhouse of the cell, help in the production of energy.

Option B
The nucleus is regarded as the "control center of the cell" because it is in charge of controlling all cell functions.

Option C
The cell membrane is a selectively permeable membrane that separates the inner and outside parts of the cell.