Back to ENVIRONMENTAL ISSUES

Your Progress

0 / 47 Answered

Correct

Incorrect

Accuracy

NEET • BIOLOGY • ENVIRONMENTAL ISSUES

Environmental issues practice · Hard

Choose an answer to check it, or open “View answer” to study the explanation. Sign in to save progress to your account.

Practice format and chapter quiz

The practice player uses single-correct-answer MCQs. Chapter quizzes help you review a topic; they are not full-length NEET mock papers.

Take a chapter quiz →

Showing 31-47 of 47 questions

Preparing practice and saved progress…

31 Hard

31 of 47

Understanding +4 | -1

The EI Nino effect is related to

View answer and explanation

Correct option: A

Odd climatic changes due to rise in temperature

Option A (Odd climatic changes due to rise in temperature) is correct because El Nino is a climate pattern associated with temperature increases.

32 Hard

32 of 47

Understanding +4 | -1

Positive pollution of soil is due to:

View answer and explanation

Correct option: D

All of the above

Option D is correct because positive pollution of soil encompasses any factor that reduces soil productivity or introduces harmful waste, including excessive fertilizer use.

33 Hard

33 of 47

Remembering +4 | -1

The most adverse effect of radioactive pollutant is

View answer and explanation

Correct option: A

Gene mutation

Option A (Gene mutation) is correct because radioactive pollutants are known to cause genetic damage.

34 Hard

34 of 47

Remembering +4 | -1

The inorganic compound like sulphate, phosphate etc., are found in

View answer and explanation

Correct option: A

Acid-soluble pool

Option A (Acid-soluble pool) is correct because inorganic compounds like sulfates and phosphates are generally found in the acid-soluble pool during cellular fractionation.

35 Hard

35 of 47

Understanding +4 | -1

Assertion: There is a sharp decline in dissolved oxygen downstream from the point of sewage discharge.
Reason: Microorganisms involved in biodegradation of organic matter in the receiving water body consume a lot of oxygen.

View answer and explanation

Correct option: A

If both Assertion and Reason are true and Reason is the correct explanation of Assertion

Option A (If both Assertion and Reason are true and Reason is the correct explanation of Assertion) is correct because sewage discharge increases organic matter, which is then decomposed by microorganisms that consume oxygen, leading to a decline in dissolved oxygen.

36 Hard

36 of 47

Remembering +4 | -1

Which of the following metal pollution causes sterility in human beings?

View answer and explanation

Correct option: C

Manganese

Option C (Manganese) is correct because excessive exposure to manganese can cause manganism, a neurological disorder that can lead to sterility in human beings.

37 Hard

37 of 47

Understanding +4 | -1

A pollutant is an agent which causes change in

View answer and explanation

Correct option: C

Geochemical cycles

Option C (Geochemical cycles) is correct because pollutants disrupt the natural cycling of elements and compounds in the environment.

38 Hard

38 of 47

Remembering +4 | -1

Asbestosis is caused due to:

View answer and explanation

Correct option: A

Asbestos dust

Option A (Asbestos dust) is correct because Asbestosis is a chronic respiratory disease caused by the inhalation of asbestos fibers.

39 Hard

39 of 47

Understanding +4 | -1

Consider the following statements about Ramesh Chandra Dagar’s work in the field of organic farming
I. Ramesh Chandra Dagar’s work includes bee-keeping, dairy management, water harvesting, composting and agriculture in a chain of processes
II. In this process there is no need to use chemical fertilisers for crops as cattle excreta is used as manure
III. Crop waste is used for making compost which is used as natural fertilizer
IV. Compost generates natural gas which is used for energy needs of farm
Which of the statements given above are correct?

View answer and explanation

Correct option: D

I, II, III and IV

Option D (I, II, III and IV) is correct because all the statements accurately describe Ramesh Chandra Dagar's holistic approach to organic farming.

40 Hard

40 of 47

Remembering +4 | -1

In context with the Environment,
the price charged to deliver
municipal solid waste to a landfill,
waste-to-energy facility, or
recycling facility is known as ______?

View answer and explanation

Correct option: C

Tipping Fee

Option C (Tipping Fee) is correct because it is the standard term for the fee charged for delivering waste to a disposal or recycling facility.

41 Hard

41 of 47

Understanding +4 | -1

Assertion (A): CNG is better than diesel and petrol
Reasons (R) : CNG burns most efficiently and it is cheaper than petrol or diesel. CNG can not be adulterated like petrol or diesel

View answer and explanation

Correct option: D

Both (A) and (R) are true and (R) is the correct explanation of (A)

Option D (Both (A) and (R) are true and (R) is the correct explanation of (A)) is correct because CNG's efficient burning, lower cost, and resistance to adulteration make it a better fuel than diesel and petrol.

42 Hard

42 of 47

Understanding +4 | -1

Algal bloom in lake causes all the effects given below, except

View answer and explanation

Correct option: D

Increase the

DO

in water

Option D (Increase the

DO

in water) is correct because algal blooms actually decrease dissolved oxygen (DO) in water due to decomposition of dead algae, not increase it.

43 Hard

43 of 47

Understanding +4 | -1

Which of the following is/are correct regarding Montreal Protocol?
(i) Persistent organic pollutants.
(ii) Global warming and climate change.
(iii) To control the emission of ozone depleting substances.
(iv) Biosafety of genetically modified organisms.

View answer and explanation

Correct option: B

(iii) only

Option B ((iii) only) is correct because the Montreal Protocol specifically addresses the control of emissions of ozone-depleting substances.

44 Hard

44 of 47

Remembering +4 | -1

The electronic appliances that are not in use will eventually form part of

View answer and explanation

Correct option: C

e-wastes

Option C (e-wastes) is correct because electronic appliances that are not in use eventually become electronic waste.

45 Hard

45 of 47

Understanding +4 | -1

Which one of the following is an environment-related disorder with the correct main cause?

View answer and explanation

Correct option: B

Blue baby disease (methaemoglobinaemia) due to heavy use of nitrogen-rich fertilisers in the area.

Option B (Blue baby disease) is correct because methaemoglobinaemia is directly linked to nitrate contamination from nitrogen-rich fertilizers.

Explore Other Chapters in BIOLOGY

View All →

ANIMAL KINGDOM 756 MCQs PLANT KINGDOM 415 MCQs ANATOMY OF FLOWERING PLANTS 404 MCQs MOLECULAR BASIS OF INHERITANCE 404 MCQs CHEMICAL COORDINATION AND INTEGRATION 387 MCQs PRINCIPLE OF INHERITANCE AND VARIATION 374 MCQs

46 Hard

46 of 47

Remembering +4 | -1

Yellowing of Taj Mahal is mainly caused by

View answer and explanation

Correct option: B

{SO}_2

Option B (

{SO}_2

) is correct because the yellowing of the Taj Mahal is primarily caused by sulphur dioxide (

SO_2

) pollution, which reacts with the marble.

47 Hard

47 of 47

Analyzing +4 | -1

Assertion : Smog is commonly formed at places
having low temperature and high pollution of
aerosol.

Reason : It is very common in metropolis cities
of India.

View answer and explanation

Correct option: A

If both Assertion and Reason are true and
Reason is the correct explanation of Assertion

Option A (If both Assertion and Reason are true and Reason is the correct explanation of Assertion) is correct because smog formation is favored by low temperatures and high aerosol pollution, which is common in metropolis cities.

Revision notes and key takeaways

Review ENVIRONMENTAL ISSUES in your textbook or class notes, then use this set to check your understanding.

Showing 31-47 of 47 questions

Your Progress

Environmental issues practice · Hard

Explore Other Chapters in BIOLOGY

Continue Your Practice

Your practice