Question

Cell wall was discovered by

• A. Robert brown
• B. Malpighi
• C. Robert Hooke
• D. Nageli

Answer 1

The correct option is C

Robert Hooke

The correct option is C.

Explanation of correct option:

1. Robert Hooke, an English scientist, made the discovery of the cell wall in 1665.
2. He constructed a microscope himself and used it to examine a small slice of cork.
3. He observed tiny compartments and gave them the term cellula which was later on changed into cells.
4. He discussed this in his book Micrographia and implied that these compartments serve as channels for carrying fluids throughout the plant.
5. Actually, he had observed compartments made up of the cell wall and not true living cells.

Explanation of incorrect options:

Option A:

1. Robert Brown is a Scottish botanist who discovered the nucleus of a cell

Option B:

1. Capillaries were discovered by Marcello Malpighi, an Italian scientist.
2. Malpighian tubules (arthropod excretory structures) and Malpighian corpuscles (renal corpuscles) are named after him.

Option D:

1. Nageli is a botanist from Switzerland who has investigated cell division and pollination.
2. He invented the concept of plant meristems.

Final Answer: Cell wall was discovered by Robert Hooke.