In which of the following proteins are absent

In which of the following proteins are absent Options (a) Pancreatic juice (b) Saliva (c) Bile (d) Intestinal juice Correct Answer: Bile Explanation: Bile has no digestive enzymes and hence, no chemical action on food.

In the stomach gastric acid is secreted by the

In the stomach, gastric acid is secreted by the Options (a) Gastrin secreting cells (b) Parietal cells (c) Peptic cells (d) Acidic cells Correct Answer: Parietal cells Explanation: In the stomach, gastric acid (HCl) is […]

In human blood the oxygen carrier is

In human blood, the oxygen carrier is Options (a) Iron (b) Meth-haemoglobin (c) Haemocyanin (d) Haemoglobin Correct Answer: Haemoglobin Explanation: Haemoglobin, an iron containing red pigment is responsible for transport of O₂ and CO₂ in […]

In expiration condition diaphragm becomes

In expiration condition, diaphragm becomes Options (a) Circular (b) Relaxed (c) Fully contracted (d) Expanded Correct Answer: Relaxed Explanation: During expiration diaphragm relaxes and becomes dome-shaped thereby reducing intrathoracic volume to pass out the air […]

In a minute normal man respires

In a minute normal man respires Options (a) 10 times (b) 16 times (c) 30 times (d) 4 times Correct Answer: 16 times Explanation: During normal breathing the respiratory movement in 25 years old is […]

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