Cellulose digesting enzymes are present in (1) All herbivores (2) All mammals (3) In cattle, pig and monkeys (4) In cattle and man Cellulose Digestion in Animals: The Role of […]
Villi in the small intestine help in (1) increasing the surface area (2) peristalsis (3) mixing of food (4) reducing the size of the lumen The small intestine is a […]
The intake of nutrients is under intricate control. A number of statements are made about factors controlling food intake: (A) Cholecystokinin produced from small intestine stimulates food intake (B) Leptin […]
Which one of the following tissues normally DOES NOT produce ghrelin that stimulates food intake? (1) Stomach (2) Pancreas (3) Adrenal (4) Liver Which Tissues Produce Ghrelin in the Human […]
The following statements are made regarding the characteristic features of body temperature in humans: A. The core body temperature varies least with the changes of environmental temperature. B. During severe […]
Consider the following statements about thermoregulation in animals. A. It uses external environment to regulate internal body temperature B. It does not use external environment to regulate internal body temperature […]
In fever caused by bacterial infection, the set-point of the thermoregulatory mechanism is changed to a new point above 37OC. The following statements were proposed by a researcher to explain […]
There is evidence that following pyrogenic stimuli, cytokines produced by the CNS cause fever, possibly by local release of prostaglandins. Accordingly, the following statements have been proposed: A. Cytokines act […]
The mechanisms of thermogenesis in brown adipose tissue (BAT) in cold are described in the following proposed statements: A. A thermogenic uncoupling protein, UCP1 helps in the heat production in […]
Humans exposed to cold climate are able to maintain their body temperature. The physiological mechanisms operating in the condition were suggested in the following statements: A. The increased thermogenesis in […]
