Environmental Science MCQs

✅ The correct answer is option B.
Zooplanktons are the microscopic animals that on the phytoplanktons in an aquatic ecosystem. These are truely herbivorous and Form the second trophic level (primary consumers) equivalent to cows in grasslands.

✅ The correct answer is option A.
Area X represents coal.

✅ The correct answer is option C.
On June 4, 1963, less than a year after the controversial environmental classic “Silent Spring” was published, its author, Rachel Carson, testified before a Senate subcommittee on pesticides. She was 56 and dying of breast cancer.

✅ The correct answer is option C.
Hg fungicides has the problem of biomagnifications.

✅ The correct answer is option A.
Atmospheric ozone layer which protect us from UV-B and C is getting depleted most by addition of chlorofluorocarbon.

✅ The correct answer is option B.
Red light has a slightly longer wavelength than blue light. Red light (at one end of the visible spectrum) has a longer wavelength than blue light.

✅ The correct answer is option B.
Tsunami is a Japanese word from a double root: tsu, meaning port or harbour, and nami, meaning wave.

✅ The correct answer is option D.
Minute particles and liquid droplets collectively called aerosols also are suspended in the air.

✅ The correct answer is option A.
Minamata disease (M. d.) is methylmercury (MeHg) poisoning that occurred in humans who ingested fish and shellfish contaminated by MeHg discharged in waste water from a chemical plant.

✅ The correct answer is option C.
Water used for paper mills should not contain iron.