Question

Which one of the following statements is correct with respect to salt water balance inside the body of living organisms?

(a) When water is not available, camels do not produce ***** but store urea in tissues.

(b) Salmon fish excretes lot of stored salt through gill membrane in fresh water.

(c) Paramecium discharges concentrated salt solution by contractile vacuoles.

(d) The body fluids of fresh water animals are generally hypotonic to surrounding water.

Answer 1

Correct option: (a) When water is not available, camels do not produce ** but store urea in tissues.*

Explanation:

When water is not available, the camels produce dry ** and concentrated *****. One of the best sources of metabolic water in camels is oxidation of food in the hump.