Environmental Science MCQs
Practice free Environmental Science multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 937 questions — no login required.
Question 532medium
Water from springs contain dissolved __________ compounds which are used to cure some skin diseases.
Question 533medium
Which of the following is considered a variable gas in the earth's atmosphere?
Question 534hard
The limitating factor in temperate and boreal forest is
Advertisement
Question 535hard
Eutrophication of water bodies resulting to killing of fishes is mainly due to non-availability of
Question 536easy
The ozone at ground level is primarily from __________ precursors.
Question 537easy
Gas released during photosynthesis is
Advertisement
Question 538medium
The earth's first atmosphere was composed primarily of:
Question 539hard
Which gas is likely to be reduced in the atmosphere by deforestation?
Question 540hard
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21 percent.