Origin and Evolution of Life — Science STD 10 — Question

Elaborate view of galaxies and planets is obtained by ………

During the α decay process, the atomic number is ______ by 2 and the mass number is decreases by _____.

_____ is used to remove the heat produced in the reactor core, to produce steam.

_____ and ______ hydrocarbons present in tobacco smoke is carcinogenic causing Lung cancer.

According to Snell’s law refractive index, µ2 = ……….

______ is responsible for the movement of water up to the base of the stem.

Saturated hydrocarbons were earlier named as ______ and by IUPAC system they are named as ______.

During water stress and drought conditions _______ causes stomatal closure.

One Curie is equal to _____ disintegrations per second.

_____ is that temperature attained by two bodies when they are brought in thermal contact with each other are in thermal equilibrium, is attained.