HomeTestsSearchRankProfile

Environmental Issues Questions

Practice 56 Environmental Issues questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

šŸ“š
56
Total Questions
šŸŸ¢
32
Easy
šŸŸ”
23
Medium
šŸ”“
1
Hard
Practice by Exam:Biology(55)Chemistry(1)

About Environmental Issues ā€” practice questions, PYQs & concepts

Environmental Issues is a frequently-tested topic on Biology, Chemistry. ExamTest.live currently lists 56 Environmental Issues questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year ā€” every answer key is free, no sign-up required.

Environmental Issues weight in competitive exams

Across our Environmental Issues question bank, the largest sources are Biology (55) and Chemistry (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 32 easy Environmental Issues questions are available ā€” build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right ā€” the explanation often surfaces a faster approach you can reuse.

All Environmental Issues Questions(1ā€“56 of 56)

Filter:
Q1mediummcqBiologyNEET (UG) 20172026
0% accuracy
Which one of the following statements is not valid for aerosols?
Q2easymcqBiologyNEET (UG) 20172026
0% accuracy
Which of the following in sewage treatment removes suspended solids?
Q3easymcqBiologyNEET 20192026
0% accuracy
Which of these following methods is the most suitable for disposal of nuclear waste?
Q4easymcqBiologyNEET 20192026
0% accuracy
Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:
Q5easymcqBiologyNEET 20192026
0% accuracy
Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?
Q6easymcqBiologyNEET 20192026
0% accuracy
Which of the following pairs of gases is mainly responsible for greenhouse effect?
Q7easymcqBiologyNEET 20232026
Given below are two statements:Statement I: Electrostatic precipitator is most widely used in thermal power plant.Statement II: Electrostatic precipitator in thermal power plant removes ionising radiations.In the light of the above statements, choose the correct answer:
Q8easymcqChemistryNEET 20232026
Which one of the following statements is not correct?
Q9easymcqBiologyNEET 20172026
Which one of the following statements is not valid for aerosols?
Q10easymcqBiologyNEET 20172026
Which of the following in sewage treatment removes suspended solids?
Q11easymcqBiologyNEET (UG) 20182026
World Ozone Day is celebrated on:
Q12mediummcqBiologyNEET (UG) 20182026
Which of the following is a secondary pollutant?
Q13mediummcqBiologyNEET (UG) 20182026
Match the items given in Column I with those in Column II:Column I: (a) Eutrophication, (b) Sanitary landfill, (c) Snow blindness, (d) Jhum cultivationColumn II: (i) radiation, (ii) Deforestation, (iii) Nutrient enrichment, (iv) Waste disposal
Q14easymcqBiologyNEET 20232026
The thickness of ozone in a column of air in the atmosphere is measured in terms of:
Q15easymcqBiologyNEET 20222026
The device which can remove particulate matter present in the exhaust from a thermal power plant is:
Q16easymcqBiologyNEET 20212026
Dobson units are used to measure thickness of:
Q17easymcqBiologyNEET 2020 E12026
Snow-blindness in Antarctic region is due to:
Q18easymcqBiologyNEET 2020 E12026
Montreal protocol was signed in 1987 for control of:
Q19mediummcqBiologyNEET (UG) 20182026
In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxygen?
Q20mediummcqBiologyBiology
0% accuracy
Which one of the following statements is wrong in case of Bhopal tragedy?
Q21mediummcqBiologyBiology
0% accuracy
Eutrophication is often seen in:
Q22mediummcqBiologyBiology
0% accuracy
Which one of the following pairs of gases are the major cause of "Greenhouse Effect"?
Q23easymcqBiologyBiology
Increase in concentration of the toxicant at successive trophic levels is known as:
Q24mediummcqBiologyBiology
The highest DDT concentration in aquatic food chain shall occur in:
Q25easymcqBiologyBiology
A lake which is rich in organic waste may result in:
Q26mediummcqBiologyBiology
Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from:
Q27easymcqBiologyBiology
Joint Forest Management Concept was introduced in India during:
Q28easymcqBiologyBiology
Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers:
Q29mediummcqBiologyBiology
A river with an inflow of domestic sewage rich in organic waste may result in:
Q30mediummcqBiologyBiology
The UN conference of Parties on climate change in the year 2012 was held at:
Q31easymcqBiologyBiology
Chipko movement was launched for the protection of:
Q32easymcqBiologyBiology
Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:
Q33mediummcqBiologyBiology
Photochemical smog pollution does not contain:
Q34hardmcqBiologyBiology
Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal wastewater into natural surface water is
Q35mediummcqBiologyBiology
In which one of the following the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order?
Q36mediummcqBiologyBiology
In a coal fired power plant electrostatic precipitators are installed to control emission of:
Q37easymcqBiologyBiology
Which of the following correctly represents the percentage contribution of greenhouse gases to total global warming?
Q38easymcqBiologyBiology
According to the , which particulate size (in diameter) is responsible for the greatest harm to human health?
Q39mediummcqBiologyBiology
A lake near a village suffered heavy fish mortality. What were the two main causes?(a) High urea and phosphate fertilizer runoff from nearby crops.(b) Area was sprayed with .(c) The lake water turned green and stinky.(d) Phytoplankton population declined initially.
Q40easymcqBiologyBiology
A global agreement in specific control strategies to reduce the release of ozone depleting substances was adopted by:
Q41easymcqBiologyBiology
Biochemical Oxygen Demand () in a river water:
Q42easymcqBiologyBiology
Montreal Protocol aims at:
Q43mediummcqBiologyBiology
DDT residues are rapidly passed through the food chain causing biomagnification because DDT is:
Q44easymcqBiologyBiology
Which the following are most suitable indicator of pollution in the environment?
Q45mediummcqBiologyBiology
The two gases making the highest relative contribution to the greenhouse gases are:
Q46easymcqBiologyBiology
is a standard abbreviation used for the quantitative expression of:
Q47mediummcqBiologyBiology
"Good ozone" is found in the:
Q48mediummcqBiologyBiology
Measuring Biochemical Oxygen Demand (BOD) is a method used for:
Q49mediummcqBiologyBiology
In an area where DDT had been used extensively, the population of birds declined significantly because:
Q50mediummcqBiologyBiology
Which one of the following is a WRONG statement?
Q51easymcqBiologyBiology
Global warming can be controlled by:
Q52easymcqBiologyBiology
The zone of atmosphere in which the ozone layer is present is called:
Q53easymcqBiologyBiology
A scrubber in the exhaust of a chemical industrial plant removes:
Q54mediummcqBiologyBiology
Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of:
Q55easymcqBiologyBiology
Acid rain is caused by increase in the atmospheric concentration of:
Q56mediummcqBiologyBiology
The 'blue baby' syndrome results from:

Frequently Asked Questions

How many Environmental Issues questions are on ExamTest.live?ā–¼
We have 56 Environmental Issues questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Environmental Issues MCQs free?ā–¼
Yes. All Environmental Issues questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Environmental Issues questions?ā–¼
Environmental Issues questions are commonly asked in Biology, Chemistry. You can filter by exam using the links above.
How do I practice Environmental Issues questions effectively?ā–¼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.