Assertion: Ureotelism occurs when there is excess availability of water.
Reason: Elasmobranches are ureotelic.

Ureotelism occurs in

Ureotelism occurs in

Ureotelism occurs in

When fertilization occurs in the water is

Assertion: Algal blooms occurs in nutrient poor water. Reason: Algal blooms make water unfit for human consumption but cause enormous growth of fish.

Assertion: Urea is a less toxic excretory substance comparatively to urice acid. Reason: Birds and insects are ureotelic animals.

Assertion. Alcohol, when taken is excess, cause hang-over. Reason. Alcoholic taken a large amount of food.