NEET BIOLOGY

Detailed explanation-1: -Carbohydrates: a molecule that is used by many plants and animals to store energy for a short time.

Detailed explanation-2: -Simple carbohydrates: Various forms of sugar, such as fructose (fruit sugar) and sucrose (table sugar), are simple carbohydrates. They are small molecules, so they can be broken down and absorbed by the body quickly and are the quickest source of energy.

Detailed explanation-3: -The correct answer: The macromolecule which acts as the primary energy source for an organism is D) carbohydrate. The primary source of energy in most of the organisms is carbohydrate as it is the most abundant in most of the organism.

Detailed explanation-4: -Carbohydrates are, in fact, an essential part of our diet; grains, fruits, and vegetables are all natural sources of carbohydrates. Carbohydrates provide energy to the body, particularly through glucose, a simple sugar.