Assertion : Schleiden and Schwann were the first to observe the cells and to put forward cell theory.
Reason : The cells are always living unit.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

D

Explanation

Robert Hooke was first to observe cork cells. Cells are not always living unit. Cell die and still remain functional such as xylem vessel in the plant.