Human Digestion and Breathing

Exchange of gases in the alveoli of lungs takes place through

Exchange of gases in the alveoli of lungs takes place through Options (a) osmosis (b) simple diffusion (c) active transport…

Ascorbic acid is also known as

Ascorbic acid is also known as Options (a) vitamin-B (b) vitamin-C (c) vitamin-D (d) vitamin-E Correct Answer: vitamin-CExplanation:No explanation available.…

Bilirubin and biliverdin are

Bilirubin and biliverdin are Options (a) vitamins (b) enzymes (c) bile pigments (d) bile salts Correct Answer: bile pigmentsExplanation:No explanation…

Carbohydrates ingested in the diet are hydrolyzed by the enzyme

Carbohydrates ingested in the diet are hydrolyzed by the enzyme Options (a) pepsin (b) ∝-amylase (c) cellulase (d) glycosidase Correct…

Enterokinase is a/an

Enterokinase is a/an Options (a) pancreatic hormone (b) bile juice (c) pancreatic enzyme (d) enzyme of intestinal juice Correct Answer:…

Amount of saliva secreted daily in humans is

Amount of saliva secreted daily in humans is Options (a) 250 ml (b) 500 ml (c) 100 ml (d) 1000…

Bile salts help in

Bile salts help in Options (a) digestion of fats (b) absorption of fats (c) both absorption & digestion of fats…

Calorific value for carbohydrates, proteins and fats is

Calorific value for carbohydrates, proteins and fats is Options (a) 50 cal, 4.68 cal and 80 cal respectively (b) 40…

During expiration, the diaphragm becomes

During expiration, the diaphragm becomes Options (a) dome-shaped (b) oblique (c) normal (d) flattened Correct Answer: dome-shapedExplanation:No explanation available. Be…

Alveli increases the surface area by

Alveli increases the surface area by Options (a) 10 m² (b) 100 m² (c) 150 m² (d) 200 m² Correct…