“Desert areas often have exceptionally large day-night temperature variations” Comment on this statement.

Vitamins and trace elements have the same role'. Comment on this statement.

Organisms have biochemical adaptability to enviroment'. Comment on this statement.

Areas of medium density of population are scattered'. Comment on this statement with examples.

The graph shows the variation in radiation intensity per unit wavelength versus wavelength for a perfect black- body at temperature T. Complete the following statement: As the blackbody temperature is increased, the peak in intensity of this curve

Why the difference between the day and the night temperatures high in Pokran desert?

Assertion :- Desert lizards have physiological ability to cope up with variations in their environment. Reason:- They develop some alternative physiological pathway as per ambient temperature extremeties.

Desert lizard lack the physiological ability that mammals have deal with the high temperature of their habitat, but manage to keep their body temperature fairly constant by :-

Statement : The variation of heat of reaction with temperature are given in terms of Kirchhoff's equation. Explanation : The kirchhoff's equation is :Delta H=DeltaU+DeltanRT