Exchange of gases in the alveoli of lungs takes place through
Options
(a) osmosis (b) simple diffusion (c) active transport (d) passive transport
Correct Answer:
simple diffusion
Explanation:
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Ascorbic acid is also known as
Options
(a) vitamin-B (b) vitamin-C (c) vitamin-D (d) vitamin-E
Correct Answer:
vitamin-C
Explanation:
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Bilirubin and biliverdin are
Options
(a) vitamins (b) enzymes (c) bile pigments (d) bile salts
Correct Answer:
bile pigments
Explanation:
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Carbohydrates ingested in the diet are hydrolyzed by the enzyme
Options
(a) pepsin (b) ∝-amylase (c) cellulase (d) glycosidase
Correct Answer:
∝-amylase
Explanation:
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Enterokinase is a/an
Options
(a) pancreatic hormone (b) bile juice (c) pancreatic enzyme (d) enzyme of intestinal juice
Correct Answer:
enzyme of intestinal juice
Explanation:
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Amount of saliva secreted daily in humans is
Options
(a) 250 ml (b) 500 ml (c) 100 ml (d) 1000 ml
Correct Answer:
1000 ml
Explanation:
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Bile salts help in
Options
(a) digestion of fats (b) absorption of fats (c) both absorption & digestion of fats (d) excretion of fats
Correct Answer:
both absorption & digestion of fats
Explanation: […]
Calorific value for carbohydrates, proteins and fats is
Options
(a) 50 cal, 4.68 cal and 80 cal respectively (b) 40 cal, 80 cal and 100 cal respectively (c) 4.1 cal, 5.65 cal and […]
During expiration, the diaphragm becomes
Options
(a) dome-shaped (b) oblique (c) normal (d) flattened
Correct Answer:
dome-shaped
Explanation:
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Alveli increases the surface area by
Options
(a) 10 m² (b) 100 m² (c) 150 m² (d) 200 m²
Correct Answer:
100 m²
Explanation:
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