Environmental Science MCQs

✅ The correct answer is option C.
Saturation vapour pressure increases with rising temperature. Saturation vapour pressure just above liquid water is greater than that over ice. At temperatures below freezing it takes more vapour molecules to saturate air directly above water than it does to saturate air directly above ice.

✅ The correct answer is option C.
Coral tree (Erythrina variegata L.) is a spreading tropical and subtropical tree legume, renowned as an ornamental for its conspicuous red blossoms. In India, it is one of the most used forage tree legume used as fodder for small ruminants (Devendra, 1989). It is often used as an hedgerow and windbreak.

✅ The correct answer is option D.
The lowest temperature is usually observed around sunrise.

✅ The correct answer is option C.
The true statement about “green house effect” is that it is caused only by CO2, CFC, CH4 and NO2 gases.

✅ The correct answer is option B.
The unit of pressure most commonly found of a surface weather map is: millibars or hectopascals.

✅ The correct answer is option B.
The Narmada Bachao Andolan, with its leading spokespersons Medha Patkar and Baba Amte, have received the Right Livelihood Award in 1991.

✅ The correct answer is option B.
Two opposite forces operate in the growth and development of every population. One of them is related to the ability to reproduce at a given rate. The force opposite to it is called mortality.

✅ The correct answer is option C.
Thickness of plastic cover permissible to use is 100 microns.

✅ The correct answer is option C.
The non-biodegradable pollutants are created by human itself. There are some products which cannot be degraded by the organisms in the soil. These products are plastics, pesticide, some fertilizers and some metallic components. So these products can take longs years to decompose in the nature or recycle in nature.

✅ The correct answer is option B.
Rain during November is more acidic than monsoon rain due to dissolved SO2.