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Assertion Reason Test: Environmental Issues - NEET MCQ


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15 Questions MCQ Test - Assertion Reason Test: Environmental Issues

Assertion Reason Test: Environmental Issues for NEET 2024 is part of NEET preparation. The Assertion Reason Test: Environmental Issues questions and answers have been prepared according to the NEET exam syllabus.The Assertion Reason Test: Environmental Issues MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Assertion Reason Test: Environmental Issues below.
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Assertion Reason Test: Environmental Issues - Question 1

A: Euro-II norms are framed to reduce the content of CO and aromatic compounds from fuels.

R: These compounds lead to reduced visibility and carboxyhemoglobin formation.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 1
Euro-II norms are framed to reduce the content of sulphur and aromatic compounds from fuels. These compounds lead to vehicular pollution.

Assertion Reason Test: Environmental Issues - Question 2

A: Nitrate and phosphate discharge in a water body causes eutrophication.

R: This increases the inorganic content in the water body and hence the growth of algal blooms.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 2
Nitrate and phosphate in a water body resulting in a more fertile water nature called eutrophication, increasing BOD and the huge growth of algae called Algal Bloom.

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Assertion Reason Test: Environmental Issues - Question 3

A: Biomagnification of DDT can enhance the decline in the bird population.

R: DDT causes thickening of eggshells and their delayed breaking by disturbing calcium metabolism.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 3

Biomagnification of DDT can reduce the bird population because it causes thinning of the eggshell.

Assertion Reason Test: Environmental Issues - Question 4

A: Ecological sanitation is a sustainable system for handling human excreta.

R: It is a practical and hygienic method of using dry composting toilets.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 4
Ecological sanitation is a sustainable system for handling human excreta. It is a practical and hygienic method of using dry composting toilets.

Assertion Reason Test: Environmental Issues - Question 5

A: El Nino is a climatic change which causes deleterious environmental changes.

R: Increased tropospheric ozone due to El Nino causes a shift of climatic regions.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 5
El-Nino is the climatic change which causes deleterious environmental changes. Increased smog tropospheric ozone is due to photochemical.

Assertion Reason Test: Environmental Issues - Question 6

A: ESP can remove the particulate matter by more than 99%.

R: Anode attracts the particles and provides a positive charge with the same & allow them to fall.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 6
ESP can remove the particulate matter by more than 99%. Anode attracts the particles and provides a negative charge to them.

Assertion Reason Test: Environmental Issues - Question 7

A: Montreal Protocol suggested the reduction of ODS.

R: A landmark international agreement taken in Earth summit held at Rio de Janeiro.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 7
Montreal Protocol suggested the reduction of ozone-depleting substances (ODS). A landmark international agreement has taken in Montreal - Canada in 1987.

Assertion Reason Test: Environmental Issues - Question 8

A: High concentration of atmospheric SO2 reduces primary productivity.

R: SO2 converts the chlorophyll-a into phaeophytin.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 8

High concentration of atmospheric SO2 reduces primary productivity because SO2 converts the chlorophyll and phaeophytin by replacing Mg.

Assertion Reason Test: Environmental Issues - Question 9

A: Intensive agriculture leads to negative soil pollution.

R: It increases useful mineral contents in the top layer of soil.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 9
Intensive agriculture leads to negative soil pollution because It decreases useful mineral contents.

Assertion Reason Test: Environmental Issues - Question 10

A: Irrigation without proper drainage of water leads to waterlogging in the soil.

R: Water logging results in increased soil salinity.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 10

Irrigation without proper water drainage leads to waterlogging in the soil, increasing soil salinity.

 

 

 

Assertion Reason Test: Environmental Issues - Question 11

A: PAN is a secondary pollutant.

R: PAN is formed by the interaction of nitrogen oxides and hydrocarbon in the absence of light.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 11

PAN is produced by photochemical reactions.

Assertion Reason Test: Environmental Issues - Question 12

A: Taj Mahal is being destroyed by SO2 coming from the Mathura refinery.

R: This converts CaCO3 into unstable calcium sulphate.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 12

SO2/SO3 + H2O → H2SO4 [Acid rain]

Assertion Reason Test: Environmental Issues - Question 13

A: A few toxic substances often present in industrial waste, waters undergo biological magnification.

R: A toxic substance can easily be metabolised or excreted by an organism.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 13
The toxic substance cannot be metabolised or excreted by the organism.

Assertion Reason Test: Environmental Issues - Question 14

A: High concentration of atmospheric SO2 and NOx causes acid rain.

R: It causes damage to foliage and growing points of plants.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 14

Acid rain damage foliage and growing points of plants.

Assertion Reason Test: Environmental Issues - Question 15

A: Polyblend is a fine powder of recycled plastics.

R: The blend of polyblend and bitumen helped increase road life by three factors.

Detailed Solution for Assertion Reason Test: Environmental Issues - Question 15
Polyblend was mixed with bitumen to lay roads.
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