Digestion begins in the mouth, where chewing mechanically breaks down food and the enzymes present in saliva start the chemical breakdown of carbohydrates.
97. Which of these is a proper food?
(A) Pizza
(B) Burger
(C) Chips
(D) Vegetables
Answer:
(D) Vegetables
Explanation:
Vegetables represent natural, nutrient-dense, and essential components of a healthy and balanced diet, distinguishing them from the processed “junk” food listed in the other options.
98. Eating spoiled food causes:
(A) Malaria
(B) Typhoid
(C) Food poisoning
(D) Fever
Answer:
(C) Food poisoning
Explanation:
Consuming spoiled, expired, or contaminated food introduces harmful bacteria and toxins into the digestive system, directly resulting in an illness known as food poisoning.
99. Deficiency of vitamin C causes:
(A) Beri-Beri
(B) Golter
(C) Scurvy
(D) Rickets
Answer:
(C) Scurvy
Explanation:
Scurvy is a disease characterized by swollen bleeding gums and the opening of previously healed wounds, and it is strictly caused by a prolonged deficiency of Vitamin C (ascorbic acid) in the diet.
100. Doctor had advised to eat sprouts because they are:
(A) Low carbohydrates
(B) Very fatty
(C) Low glucose
(D) Very nutritious
Answer:
(D) Very nutritious
Explanation:
Germinating or sprouting seeds radically increases their nutrient density, boosting vitamins, minerals, and proteins, making them a very nutritious addition to any diet.
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