Enhance the bitumen’s water repellant properties

Helps to increase the life of road

Is a type of magnet which improve blood circulation when applied in human body part

Back to ENVIRONMENTAL ISSUES

Your Progress

0 / 116 Answered

Correct

Incorrect

Accuracy

NEET • BIOLOGY • ENVIRONMENTAL ISSUES

Environmental issues practice · Medium

Try a question, then open “View answer” to check it. Sign in to submit answers and save progress.

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 91-116 of 116 questions

91 Medium

91 of 116

Remembering +4 | -1

Photochemical smog formed in congested metropolitan cities mainly consist of

View answer and explanation

Correct option: A

Ozone, peroxyacetyl nitrate and

\mathrm{N}{\mathrm{O}_\mathrm{x}}

Option A (Ozone, peroxyacetyl nitrate and

\mathrm{N}{\mathrm{O}_\mathrm{x}}

) is correct because photochemical smog primarily consists of ozone, peroxyacetyl nitrate (PAN), and nitrogen oxides (NOx).

92 Medium

92 of 116

Understanding +4 | -1

Polyblend

View answer and explanation

Correct option: C

Both (1) and (2)

Option C is correct because Polyblend enhances bitumen's water repellent properties and increases the life of the road.

93 Medium

93 of 116

Remembering +4 | -1

Which of the following diseases is related to cadmium pollution?

View answer and explanation

Correct option: D

Itai-itai

Option D (Itai-itai) is correct because Itai-itai disease is directly linked to cadmium poisoning, primarily through contaminated rice consumption.

94 Medium

94 of 116

Understanding +4 | -1

In an area where DDT had been used extensively, the population of birds declined significantly because

View answer and explanation

Correct option: B

Many of the birds eggs laid, did not hatch

Option B (Many of the birds eggs laid, did not hatch) is correct because DDT accumulation leads to eggshell thinning, preventing successful hatching.

95 Medium

95 of 116

Understanding +4 | -1

The concept of Joint Forest Management (JFM) involves

View answer and explanation

Correct option: A

Work in close association with the local communities for protecting and managing forests on mutual benefits

The correct answer is A (Work in close association with the local communities for protecting and managing forests on mutual benefits) because JFM emphasizes community involvement in forest management.

96 Medium

96 of 116

Understanding +4 | -1

Which one of the following is a correct option with reference to pathogenic bacteria and DDT?

View answer and explanation

Correct option: B

Bacteria can be degrades by living cells and DDT can not be degraded by living cells.

Option B (Bacteria can be degrades by living cells and DDT can not be degraded by living cells) is correct because bacteria are biodegradable, while DDT is a persistent organic pollutant that resists degradation by living organisms.

97 Medium

97 of 116

Remembering +4 | -1

Increase in concentration of a toxicant at successive trophic levels is called

View answer and explanation

Correct option: C

biomagnification

Option C (biomagnification) is correct because it describes the increasing concentration of toxicants at higher trophic levels.

98 Medium

98 of 116

Understanding +4 | -1

Consider the following statements about harmful effects of radioactive pollution
I. Radiations from nuclear wastes causes mutation at a very high rate
II. At high doses, nuclear radiations are lethal
III. At low doses, radiations cause disorders and cancer
Which of the statements given above are correct?

View answer and explanation

Correct option: D

All of these

Option D (All of these) is correct because all three statements accurately describe the harmful effects of radioactive pollution.

99 Medium

99 of 116

Understanding +4 | -1

The fertile top soil is removed by human activities like

View answer and explanation

Correct option: D

All of the above

Option D (All of the above) is correct because over-cultivation, unrestricted grazing, and deforestation/poor irrigation all contribute to the removal of fertile topsoil.

100 Medium

100 of 116

Understanding +4 | -1

Shell of egg in bird becomes thin (not properly formed) due to the pollution of pesticides. This occurs due to disturbed

View answer and explanation

Correct option: A

Calcium metabolism

Option A (Calcium metabolism) is correct because pesticides can interfere with calcium metabolism in birds, leading to thinner eggshells.

101 Medium

101 of 116

Understanding +4 | -1

Global warming can be controlled by
I. reducing deforestation
II. planting trees (afforestation)
III. slowing down the growth of human population
IV. reduction of emission of greenhouse gases into the atmosphere
V. cutting down the use of fossil fuels
Which of the statement given above are correct?

View answer and explanation

Correct option: D

I, II, IV and V

Option D (I, II, IV and V) is correct because reducing deforestation, afforestation, reducing greenhouse gas emissions, and reducing fossil fuel use all help control global warming.

102 Medium

102 of 116

Understanding +4 | -1

Why ozone is known as ‘chemical weed’?

View answer and explanation

Correct option: B

Because it is harmful as well useful

Option B (Because it is harmful as well useful) is the correct answer because ozone, while protecting us from harmful UV radiation, can also be a pollutant at ground level.

103 Medium

103 of 116

Remembering +4 | -1

Polyblend is mixed with …A… to lay roads in …B… . Complete the given statement by choosing appropriate option for A and B

View answer and explanation

Correct option: A

A-bitumen; B-Bengaluru

Option A (A-bitumen; B-Bengaluru) is correct because Polyblend, a fine powder of recycled modified plastic, is mixed with bitumen to lay roads in Bengaluru.

104 Medium

104 of 116

Understanding +4 | -1

Which one of the following pairs is mismatched?

View answer and explanation

Correct option: D

Solar energy --- Green house effect

Option D (Solar energy --- Green house effect) is correct because solar energy is a clean energy source and does not directly contribute to the greenhouse effect.

105 Medium

105 of 116

Understanding +4 | -1

Which of the following features would be characteristic of the stratosphere but not of the troposphere?

View answer and explanation

Correct option: A

Most ozone resides here

Option A (Most ozone resides here) is correct because the stratosphere contains the ozone layer, which absorbs UV radiation.

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

106 Medium

106 of 116

Remembering +4 | -1

Chipko movement was successfully launched by

View answer and explanation

Correct option: A

SL Bahuguna

Option A (SL Bahuguna) is correct because Sunderlal Bahuguna was a prominent leader and key figure in the Chipko movement.

107 Medium

107 of 116

Remembering +4 | -1

Rain is called acid rain when its pH is below

View answer and explanation

Correct option: D

5.6

Option D (5.6) is correct because rain is defined as acid rain when its pH falls below 5.6.

108 Medium

108 of 116

Remembering +4 | -1

Which one of the following is the heavy toxic metal present in waste water from industries?

View answer and explanation

Correct option: A

Mercury

Option A (Mercury) is correct because mercury is a well-known heavy toxic metal commonly found in industrial wastewater.

109 Medium

109 of 116

Understanding +4 | -1

Which of the following are advantages of ecological sanitation?
I. It is a practical, hygienic and efficient method of waste disposal
II. It is cost effective
III. Human excreta can be recycled into natural fertilisers, to replace chemical fertilisers

View answer and explanation

Correct option: D

I, II and III

Option D is correct because ecological sanitation is practical, cost-effective, and allows for the recycling of human excreta into natural fertilizers.

110 Medium

110 of 116

Remembering +4 | -1

For the control of air pollution in Delhi, all buses of Delhi were converted to run on …A… by the end of …B… as per the directives of the …C…
Complete the given statement by choosing appropriate options for A-C

View answer and explanation

Correct option: C

A-compressed natural gas, B-2002, C-Supreme Court

Option C (A-compressed natural gas, B-2002, C-Supreme Court) is correct because all buses in Delhi were converted to run on compressed natural gas (CNG) by the end of 2002 as per the directives of the Supreme Court.

111 Medium

111 of 116

Understanding +4 | -1

The soil pollutants that affect the food chain and food web by killing microorganisms and plants are

View answer and explanation

Correct option: D

Pesticides

Option D (Pesticides) is correct because pesticides are designed to kill microorganisms and plants, thus affecting the food chain and food web in the soil.

112 Medium

112 of 116

Remembering +4 | -1

Ultraviolet radiations from sunlight causes a reaction that produces

View answer and explanation

Correct option: D

Ozone

Option D (Ozone) is correct because ultraviolet (UV) radiation from sunlight causes a photochemical reaction that produces ozone (

O_3

) in the stratosphere.

113 Medium

113 of 116

Understanding +4 | -1

Kyoto protocol has specified the commitments of different countries

View answer and explanation

Correct option: A

To mitigate climate changes

Option A (To mitigate climate changes) is correct because the Kyoto Protocol specifically outlines commitments for countries to reduce greenhouse gas emissions and address climate change.

114 Medium

114 of 116

Remembering +4 | -1

Kyoto protocol is related with

View answer and explanation

Correct option: B

Green house effect

Option B (Green house effect) is correct because the Kyoto Protocol is an international agreement aimed at reducing greenhouse gas emissions.

115 Medium

115 of 116

Remembering +4 | -1

During day time, sound level is silent zone is

View answer and explanation

Correct option: A

50 dB

Option A is correct because the permissible sound level during daytime in a silent zone is typically around 50 dB.

116 Medium

116 of 116

Understanding +4 | -1

ESP is to arrest

View answer and explanation

Correct option: B

Air pollution

Option B (Air pollution) is correct because ESPs are designed to remove particulate matter from air emissions.

Revision notes and key takeaways

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

Showing 91-116 of 116 questions

Continue Your Practice

📚 Switch Set (MEDIUM)

Chapter Sets

ALL 245 MCQs EASY 82 MCQs HARD 47 MCQs MEDIUM 116 MCQs

0 /116

0✓ 0✗

0% Accuracy