Read the following 6 statements A) Heat is necessary to power metabolic processe

Question

Read the following 6 statements A) Heat is necessary to power metabolic processes B) Nearly all metabolic processes produce some heat. C) Mammals and birds are homeothermic because they have specialized heat-generating tissues D) A fixed proportion of the chemical energy that an animal obtains from its food is directed towards heat production E) Physiological heat production stops if there is sufficient external heat to warm the body, thereby reducing the animal's need for food. F) Most metabolic processes proceed faster at higher temperatures.

Explanation / Answer

A) Heart is necessary to power metabolic processes-FALSE(Catabolism and anabolism)

B) Nearly all metabolic process produce heat-TRUE

C) Mammals and birds are homeothermic because they have specialised heat generating tissue-FALSE(Homeothermy can maintain temperature by behaviorial mechanism and it is not necessary that they must be endotherm)

D) A fixed proportion of chemical energy that an animal obtain from its food is directed towards heat production.-TRUE

E) Physiological heat production stops if there is sufficient external heat to warm the body, thereby reducing animals need for food-FALSE

F) Most metabolic processes proceed faster at higher temperature-TRUE

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