SSC MTS EXAM

Detailed explanation-1: -Robert Brown, (born December 21, 1773, Montrose, Angus, Scotland-died June 10, 1858, London, England), Scottish botanist best known for his descriptions of cell nuclei and of the continuous motion of minute particles in solution, which came to be called Brownian motion.

Detailed explanation-2: -Robert Brown in 1831 discovered the nucleus in the cell. Q. WHO DISCOVERED THE FIRST LIVING CELL ?

Detailed explanation-3: -In 1833, Robert Brown discovered the nucleus of the cell (basically, the house in our analogy). Hence, some cells had walls, others didn’t, but they all had jelly and they had a nucleus. This nucleus became very important to figure out how cells lived and died.