Question

Robert Hooke discovered the _________ in a cell.

• A. Nucleus
• B. Cell wall
• C. Cytoplasm
• D. Cell membrane

Answer 1

The correct option is B

Cell wall

The correct option is B.

Explanation of correct option:

1. The cell is a basic structural and fundamental unit of life.
2. It is composed of many cell organelles covered by the cell membrane and cell wall.
3. Robert Hook first discovered the cell wall in the cell.

Explanation of incorrect options:

Option A:

1. The nucleus is the membrane-enclosed organelle within which the chromosomes are present.
2. Robert Brown discovered the nucleus of the cell.

Option C:

1. The cytoplasm is a viscous liquid that fills each cell and is surrounded by the cell membrane.
2. Rudolf von Kölliker discovered the cytoplasm.

Option D:

1. The cell membrane is a biological membrane that separates and protects the inside of all cells from the outside environment.
2. Robert Hook discovered cell membrane in the early 1660s

Final answer: Robert Hooke discovered the cell wall of a cell.