Environmental Science MCQs

✅ The correct answer is option A.
The diet of pangolins is fairly simple and straightforward. They are carnivorous animals, usually consuming a wide variety of ant and termite species, but are also able to eat larvae and a few other insects.

✅ The correct answer is option A.
Nudation->Invasion-> competition and co action->reaction>stabilization

✅ The correct answer is option A.
Burning of coal produces oxides of sulphur and nitrogen which combined with water vapor leads to acid rain.

✅ The correct answer is option C.
Example for a bio-degradable polymer is Poly lactic acid.

✅ The correct answer is option B.
Nuclear accidents mostly release radioactive iodine into the atmosphere.

✅ The correct answer is option A.
Energy flow in ecosystem is Unidirectional.

✅ The correct answer is option A.
Incineration is a waste treatment process that involves the combustion of organic substances contained in waste materials. Incineration and other high-temperature waste treatment systems are described as “thermal treatment”. Incineration of waste materials converts the waste into ash, flue gas and heat.

✅ The correct answer is option A.
Sedimentation is the tendency for particles in suspension to settle out of the fluid in which they are entrained and come to rest against a barrier. This is due to their motion through the fluid in response to the forces acting on them: these forces can be due to gravity, centrifugal acceleration, or electromagnetism.

✅ The correct answer is option B.
Peroxyacyl Nitrates being a secondary pollutant is not emitted directly from the automobiles or power plants but is formed from the pollutants emitted from the automobiles and power plants through the chemical reaction.

✅ The correct answer is option A.
The atmosphere’s average temperature would change.