Major function of respiration is
Major function of respiration is
Options
(a) transfer of CO₂ (b) release of CO₂ (c) release of O₂ (d) anabolism
Correct Answer:
release of CO₂
Explanation:
Respiration is the process of burning the […]
Human Digestion and Breathing
Lack of pulmonary surfactant produces
Lack of pulmonary surfactant produces
Options
(a) asthma (b) emphysema (c) cystic fibrosis (d) respiratory distress syndrome
Correct Answer:
emphysema
Explanation:
Emphysema causes lung damage. You have airways in your lungs called bronchioles, and […]
In ruminants bacterial action takes place in
In ruminants bacterial action takes place in
Options
(a) rumen (b) omasum (c) abomasum (d) both omasum and abomasum
Correct Answer:
rumen
Explanation:
Both rumen (the largest chamber) and reticulum (smallest part) of ruminant […]
In mammals the digestion of starch starts from
In mammals, the digestion of starch starts from
Options
(a) mouth (b) oesophagus (c) stomach (d) duodenum
Correct Answer:
mouth
Explanation:
The digestion of starch (carbohydrate) is initiated in mouth due to the action […]
In human percent of body weight of carbohydrates lipids and proteins respectively
In human percent of body weight of carbohydrates, lipids and proteins respectively is
Options
(a) 1, 15, 17 (b) 15, 17, 7 (c) 7, 17, 15 (d) 17, 15, 7
Correct Answer:
1, 15, […]
Hamburgers phenomenon explains
Hamburger’s phenomenon explains
Options
(a) formation of HCO₃⁻ (b) chloride shift (c) oxygen saturation of haemoglobin (d) breathing mechanism
Correct Answer:
chloride shift
Explanation:
Removal of CO₂from blood involves both influx of Cl ̄ions […]
Conversion of milk to curd improves its nutritional value by increasing the
Conversion of milk to curd improves its nutritional value by increasing the amount of
Options
(a) Vitamin E (b) Vitamin B12 (c) Vitamin A (d) Vitamin D
Correct Answer:
Vitamin B12
Explanation:
Curd is […]
Which of the following statements is not correct?
Which of the following statements is not correct?
Options
(a) Goblet cells are present in the mucosa of intestine and secrete mucus (b) Oxyntic cells are present in the mucosa of stomach and […]
When you hold your breath, which of the following gas changes in blood would first lead
When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?
Options
(a) rising CO2 concentration (b) falling CO2 concentration (c) rising CO2 and […]
The primary dentition in human differs from permanent dentition in not having one
The primary dentition in human differs from permanent dentition in not having one of the following type of teeth:
Options
(a) Premolars (b) Molars (c) Incisors (d) Canine
Correct Answer:
Premolars
Explanation:
The dental […]