Environmental Science MCQs

✅ The correct answer is option C.
World’s most problematic aquatic weed is eichornia.

✅ The correct answer is option B.
Butea monosperma is a species of Butea native to tropical and sub-tropical parts of the Indian Subcontinent and Southeast Asia, ranging across India, Bangladesh, Nepal, Sri Lanka, Myanmar, Thailand, Laos, Cambodia, Vietnam, Malaysia, and western Indonesia. Common names include flame-of-the-forest and bastard teak.

✅ The correct answer is option C.
A process by which roots of plants are spread on the ground. A control measure to prevent soil pollution.

✅ The correct answer is option A.
Natural gas that was formed from ancient prehistoric forests is called Fossil fuels.

✅ The correct answer is option C.
Mobile combustion accounts 50-60 % of air pollution.

✅ The correct answer is option C.
The relative humidity is a measure of the air’s actual water vapour content this statement is incorrect.

✅ The correct answer is option C.
Troposphere—the layer closest to Earth’s surface in which all weather occurs.

✅ The correct answer is option D.
Water heats up more slowly and cools off more slowly than land.

✅ The correct answer is option C.
The Kyoto Protocol implemented the objective of the UNFCCC to reduce the onset of global warming by reducing greenhouse gas concentrations in the atmosphere to “a level that would prevent dangerous anthropogenic interference with the climate system”.

✅ The correct answer is option D.
The concept was first introduced by Charles Elton, the pioneer British Ecologist. The bottom of an ecological pyramid is the broadest and is occupied the producers, which form the first trophic level.