Question

Why is glucose called a source of instant energy​

Answer 1

Because it dissolves instantly with our body fluids .

Answer 2

Explanation:

After we are exhausted we take the glucose solution to regain the energy. ... Whereas the carbohydrates, when consumed, have to be digested into glucose in order to produce energy. However, glucose when taken directly, need not to be digested. Hence it acts as an instant source of energy