Question

Average kilocalorie of energy needed by a woman is
A. Less than man
B. More than man
C. Equal to man
D. Cannot be predicted

Answer 1

Energy is energy derived from food. It is released by the breakdown of carbohydrate, proteins, fats and other organic compounds. Energy is derived from food via the process of cellular respiration. If the oxygen is involved in cellular respiration, it is aerobic respiration. If cellular respiration occurs without an oxygen molecule, it is called anaerobic respiration.

Complete step by step answer: Food is composed of carbohydrate, fats, vitamins, proteins and minerals. The human body carries out its vital functions by consuming food and turning it into usable energy by the process of cellular respiration. Energy is supplied to the body in the form of adenosine triphosphate i.e. ATP. ATP is the primary source of energy for the body to function, other stored energy is used to refill ATP. The amount of energy required daily for body depends on individuals daily energy consumption and metabolic energy requirements. Energy consumptions can be estimated by body weight and activity level. A metabolic requirement of every individual varies. So, the energy required by every individual is different. Older people and those with saturated lifestyle require less energy
Children and physically active people require more energy. Energy consumptions of every individual vary according to their physical activity. Research says that mental activity increases brain energy consumption. So, from the above information, we know that the energy requirement depends on the individual’s metabolic activity and physical activity. Energy expenditure does not depend on the sex of human beings.
So, the correct answer to the given question is option D.

Note: The average minimum energy requirement per person per day is about 7,500 kJ. One kilo-joule of energy is equal to 0.239006 kilocalories. ATP is referred to as the energy currency of the cell.