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Question

4. Nucleus was discovered by :


A

(a) Robert Hooke

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B

(b) Robert Brown

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C

(c) Schwann

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D

(d) Purkinje

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Solution

The correct option is B

(b) Robert Brown


The correct option is ( b)

Explanation of the correct option

  1. The nucleus is the largest organelle in the cell
  2. Though it was first observed by Anton von Leeuwenhoek in the red blood cells of fish, it was first discovered in orchid root cells by Robert brown in 1831.

Explanation of the incorrect option

Option (a) Robert Hooke discovered cells in the cork tissue and also gave the term cell.

Option (b) Schwann was a Zoologist who studied various animal cells and gave cell theory.

Option (d) Purkinje gave the term protoplasm.

Final answer

The nucleus was discovered by Robert Brown.


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