Question

An organism feels the sensation of hunger only when ______ .

• A. blood glucose levels are high.
• B. blood glucose levels are low.
• C. blood pressure levels fall.
• D. blood pressure levels rise.

Answer 1

The correct option is B blood glucose levels are low.

Glucose is the main source of energy for the cells to perform metabolic activities. So, if the blood glucose levels are low, cells are deprived of energy and thus organism feels hungry.