Who discovered the nucleus of the cell?

Correct option is D

The correct answer is: (d) Robert Brown
Explanation:
· In 1831, Robert Brown discovered the nucleus in plant cells while examining orchid root cells.
· He described it as a central, round body within the cell.
Information Booster:
· Nucleus controls cell functions and contains genetic material.
· The discovery was foundational for cell theory.
· Robert Brown also discovered Brownian motion.
· His work distinguished eukaryotic cells.
· Nucleus discovery led to better understanding of heredity.
Additional Information:
· Watson: Co-discovered DNA structure, not nucleus.
· Robert Hook: Discovered cells in cork, not nucleus.
· Anton van Leeuwenhoek: Observed microorganisms (animalcules).