Living cells were first observed by (1) Robert Hooke (2) Schleiden (3) Schwann (4) Leeuwenhoek

Living cells were first observed by

 A. Robert Hooke 

B. Schleiden 

C. Schwann 

D. Leeuwenhoek

Answer: Correct Option (D) Leeuwenhoek

In 1674, the first living cell was discovered by a Dutch Scientist, named Anton Van Leeuwenhoek. The first living cell which he observed under a microscope was Algae Spirogyra.