Question

Explain the following terms.
$\left(i\right)$ Greenhouse effect
$\left(ii\right)$ Turgor pressure
$\left(iii\right)$ Selective reabsorption
$\left(iv\right)$ Natality
$\left(v\right)$ Pulse

Answer 1

(i) Green house effect: Due to increasing concentration of carbon dioxide in the atmosphere, the heat of the sun remains trapped in the atmosphere and does not radiate back. This effect is called Green house effect.

(ii) Turgor Pressure: The pressure exerted by the cell contents of a turged cell onto the wall of cell.

(iii) Selective Absorption: The process of reabsorbing selected useful substances like water, glucose, mineral ions etc, from the glomerular filtrate by the blood capillaries as they are flowing through the proximal convoluted tubule, loop of Henle and distal convoluted tubule.

(iv) Natality: The number of live birth per thousand per year.

(v) Pulse: It is the rhythmic throbbing of arteries as the blood flows through it with every pumping of heart.