Top 150+ Solved Environmental Science MCQ Questions Answer
Q. Which of the following is the best indicator of SO2 pollution
a. Bryophytes
b. Pteridophytes
c. Lichens
d. Algae
Q. BOD stands for
a. Biotic oxidation demand
b. Biological oxygen demand
c. Biological oxidation demand
d. Biochemical oxygen demand
Q. A river with high BOD value means
a. Highly polluted
b. Highly clean
c. Highly productive
d. None of the above
Q. Which gas is responsible for ozone layer depletion around earth?
a. Carbon dioxide
b. Chlorofluorocarbons
c. Oxygen
d. Nitrogen oxide
Q. What is Kyoto Protocol?
a. It is an agreement among countries to take steps for reducing global warming.
b. It is an agreement among countries to take steps for reducing acid rain.
c. It is an agreement among countries to take steps for planting trees to control pollution.
d. It is an agreement among countries to start using nuclear energy.
Q. Possible health effects of noise pollution includes
a. Hearing loss
b. Hypertension
c. Cardiovascular effects
d. All of the above
Q. Which of the following are major causes of land degradation?
a. Soil erosion
b. Water logging
c. Deforestation
d. Desertification
Q. The main components of photochemical smog is
a. Water vapors
b. Nitrogen oxides
c. Sulphur oxides
d. All of the above
Q. Which gas is responsible for the global warming?
a. Nitrogen
b. Carbon dioxide
c. Noble gases
d. Hydrogen
Q. Which country has organized its cabinet meeting under the sea to drag attention of the world towards the Global Warming and its threats?
a. Maldives
b. Sri Lanka
c. Fiji
d. Indonesia
Q. Which of the following effect is responsible for Global Warming?
a. Greenhouse effect
b. Radioactive effect
c. Solar effect
d. Nuclear effect
Q. Which of the following greenhouse gas is entirely anthropogenic in origin?
a. CFCs
b. Methane
c. Carbon dioxide
d. Water vapor
Q. Which of the following statements regarding the greenhouse effect has the lowest degree of certainty?
a. Addition of greenhouse gases to the atmosphere results in increased heat energy in the atmosphere
b. Global warming will result in an increase in the number of tropical storms
c. Global warming will result in rising sea levels
d. The concentrations of greenhouse gases in the atmosphere are increasing due to human activities.
Q. Which of the following is not a greenhouse gas?
a. Methane
b. Ozone
c. Water vapor
d. Carbon dioxide