AP EAMCET (EAPCET) Zoology Multiple Choice Questions (MCQs)

81. Which of the following is responsible for the breakdown of proteins in the stomach?

• a) Amylase
• b) Pepsin
• c) Lipase
• d) Trypsin

Answer: b) Pepsin

82. What is the role of bile in digestion?

• a) Breaks down proteins
• b) Emulsifies fats
• c) Digests carbohydrates
• d) Converts starch into glucose

Answer: b) Emulsifies fats

83. Which of the following is a gastrointestinal hormone that helps in the secretion of digestive enzymes?

• a) Insulin
• b) Gastrin
• c) Adrenaline
• d) Thyroxine

Answer: b) Gastrin

84. The primary site of nutrient absorption in the human digestive system is the:

• a) Stomach
• b) Small intestine
• c) Large intestine
• d) Liver

Answer: b) Small intestine

85. What is the calorific value of proteins in the human diet?

• a) 4 kcal/g
• b) 9 kcal/g
• c) 7 kcal/g
• d) 6 kcal/g

Answer: a) 4 kcal/g

86. Which of the following is a nutritional disorder characterized by a deficiency of proteins and calories in children?

• a) Jaundice
• b) Diarrhoea
• c) Kwashiorkor
• d) Indigestion

Answer: c) Kwashiorkor

87. Which of the following respiratory volumes refers to the maximum amount of air a person can exhale after taking the deepest possible breath?

• a) Tidal volume
• b) Vital capacity
• c) Inspiratory reserve volume
• d) Residual volume

Answer: b) Vital capacity

88. The exchange of gases between the alveoli and the blood occurs by:

• a) Active transport
• b) Diffusion
• c) Filtration
• d) Osmosis

Answer: b) Diffusion

89. What is the condition characterized by inflammation of the bronchial tubes, leading to difficulty in breathing and wheezing?

• a) Emphysema
• b) Asthma
• c) Pneumonia
• d) Tuberculosis

Answer: b) Asthma

90. Black Lung Disease is commonly associated with:

• a) Coal mining
• b) Smoking
• c) Pollen exposure
• d) Chemical exposure in factories

Answer: a) Coal mining