Question

Write the contribution of a) Robert Hooke b)Leeuwenhoek c) Robert Brown.

Answer 1

A) Robert Hooke:-

• He coined the term cell in the 1960s and discovered it in cork in 1665.
• Discovered the law of elasticity known as Hook's law.

B)Leeuwenhoek

• In 1976 he discovered first living cell bacteria and named it animalcules.
• He is also known for the discovery of RBC, sperm and protozoa.

C)Robert Brown

• He discovered the nucleus of a cell in 1931.
• He is best known for his discovery of the random movement of the microscopic particle in the surrounding solution known as brownian movement.