Assertion: In a nutrient medium when a plant culture is grown,growth is slow initially (lag phase),increases rapidly in the exponential phase and again slows down.
Reason: Growth is slow due to small number of cells and the number of cells increases in exponential phase and then the growth slows down due to limited nutrients.
(A) Both assertion and reason are true and the reason is a correct explanation of the assertion
(B) Both assertion and reason are true but reason is not a correct explanation of the assertion
(C) Assertion is true but the reason is false
(D) Both assertion and reason are false
