Last seen: Jan 13, 2022
(d) Tidal volume Explanation: Volume of air breathed in and out during normal breathing is called tidal volume. It is approximately 500 ml i.e., a...
(a) Emphysema: reduction of surface area of alveoli and bronchi Explanation: Cigarette smoking leads to the disease emphysema. In this disease, te...
(c) 3 ml of CO2 /100 ml blood Explanation: Oxyhaemoglobin can transport about 3ml of carbon dioxide per 100 ml of blood.
(c) Pulmonary ventilation of ‘A’ is greater than ‘B’. Explanation: The process by which a continuous exchange of gases is maintained across respir...
(c) regulates breathing rate by its effect on the medulla. Explanation: The medulla oblongata at the base of the brain increases breathing rate if...
(b) is caused by a variant of the common cold virus (corona virus). Explanation: Severe acute respiratory syndrome (SARS) is caused by mutant of I...
(d) aerobic respiration Explanation: The oxidative breakdown of respiratory substrates (like carbohydrates, fats, proteins) into CO2 and water, oc...
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect. Explanation: Sucrase hydrolyses sucrose to glucose and fructose.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. Explanation: In the condition of obstructive jaun...
(d) If both the Assertion and Reason are incorrect. Explanation: It is not lipases but the bile salts which are responsible for the emulsification...
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. Explanation: Trypsin is protein digesting enzyme ...
(c) If Assertion is correct but Reason is incorrect. Explanation: Pancreatic amylase is a starch splitting enzymes similar to ptyalin by hydrolysi...
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. Explanation: In the condition of obstructive jaun...
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion. Explanation: Deficiency of ascorbic acid/vi...
(d) Chymotrypsin can digest casein. Explanation: Milk protein can be digested by pepsin and chymotrypsin.
(a) 144 Explanation: Physiological value of carbohydrates is 4.0 kcal/g, proteins 4.0 kcal/g and of fats is 9.0 kcal/g. Hence, 5 g raw sugar...
(d) Proteins will not be adequately hydrolysed by pepsin into proteases and peptones.
(b) Below the cheeks Explanation: There are three pairs of salivary glands. These are parotids (below the cheeks), sub maxillary/ or sub mandibula...
(d) 310 Explanation: Normal body temperature is 37 degree centigrade but in Kelvin scale 0ºC = 0ºC + 273 = 273ºK. When we convert 37ºC into Kel...