The internal (cellular) energy reserve in autotrophs is

Options

A. glycogen
B. protein
C. starch
D. fatty acid

Answer

C

Explanation

In autotrophs, the cellular energy reserve is staech . However carbohydrates serve as a major fuel in the cells to provide energy for life processes.
The suger (glucose) produced that is not used immediately gest stored in the form of starch in plants. In animals, food is stored in the form of glycogen . These food reserves provide energy as and when required by the organisms.