Assertion: Sebum provides a protective oily covering for the skin.
Reason: Small amounts of nitrogenous wastes would be eliminated through saliva too.

Protective oily covering on the skin provided by

Which of the nitrogenous waste eliminated through saliva is ?

Assertion :- The primary function of sweat is to facilitate a cooling effect on the body surface. Reason :- Small amount of nitrogenous wastes could be eliminated through saliva.

Assertion :- The primary function of sweat is to facilitate a cooling effect on the body surface. Reason :- Small amount of nitrogenous wastes could be eliminated through saliva. (a) If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion. (b) If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion. (c) Assertion is True but the Reason is False. (d) If both Assertion & Reason are false.

Assertion: Periplaneta americana is uricotelic insect. Reason: Malpighian tubules absorb nitrogenous waste products and convert them into uric acid which is excreted out through the hindgut.

Assertion: Landfills are not really much of a solution of solid waste disposal. Reason: Amount of garbage generation specially in the metros has increased so much that these sites getting filled too.