Given below are the four food components (P-S) and their corresponding sources.P - Meat, Fish, EggQ - Butter, Ghee, MargarineR - Bread, Biscuit, PotatoS - Amla, Tomato, OrangeSelect the incorrect statement regarding them.

• A. Deficiency of P causes marasmus in children whereas deficiency of Q causes kwashiorkor in adults.
• B. Among P, Q, R and S, 1 gram of Q produces the maximum energy.
• C. Excess of R gets stored in body cells and is used for production of energy whenever required.     
• D. Deficiency of S leads to a disease in which gums swell up and bleed.