Question

Nucleus was discovered by,
न्यूक्लियस की खोज की-
(A) R. Hooke
(B) Morgan
(C) Mendel
(D) R. Brown​

Answer 1

R.BROWN AKA ROBERT BROWN

Answer 2

Answer:

(D) R. Brown

Explanation:

※ Robert Brown in 1831 discovered nucleus.

※ It is the most conspicuous and the largest organelle of a eukaryotic cell.

※ It is visible under light microscope.

※ It is generally located at centre of the cell but in plant cells it is pushed to the side due to presence of large cell vacuole.

※ It is composed of about 80% protein, 12% DNA (Deoxyribose nucleic acid), 5% RNA (Ribonucleic acid) and 3% lipids.

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