SSC MTS EXAM

Detailed explanation-1: -Abstract. In 1665, Robert Hooke was the first to observe cork cells and their characteristic hexagonal shape, using the first optical microscope, which was invented by him at that time.

Detailed explanation-2: -Cell was discovered by a British scientist, Robert Hooke in 1665. He observed cells in a cork slice under his self-designed microscope and noticed honeycomb like compartments. He coined them as cells.

Detailed explanation-3: -While looking at cork, Hooke observed box-shaped structures, which he called “cells” as they reminded him of the cells, or rooms, in monasteries. This discovery led to the development of the classical cell theory. The classical cell theory was proposed by Theodor Schwann in 1839.