PYQSide ExamsMy practice

Environmental Issues · Question 44

NEET 2013 (Karnataka)MCQMedium📈 Topic in 38% papers+4−1
1

Which one of the following is not correct as regards the harmful effects of particulate matter of the size 2.5 micrometers or less?

  1. It can directly enter into our circulatory system
  2. It can be inhaled into the lungs
  3. It can cause respiratory problems
  4. It can cause inflammation and damage to the lungs

Answer

(1) It can directly enter into our circulatory system

Solution

As per NCERT, particulate size 2.5 or less ( PM2.5) is responsible for causing the greatest harm to human health. These fine particulates can be inhaled deep into the lungs and can cause breathing and respiratory symptoms, irritation, inflammations and damage to the lungs, and premature deaths.

NCERT does not state that they directly enter the circulatory system.

Answer: (1)

Out of syllabusNEET 2013 (Karnataka)

Keep practising — Environmental Issues

2

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

  1. Earthworms in the area got eradicated
  2. Cobras were feeding exclusively on birds
  3. Birds stopped laying eggs
  4. Many of the birds' eggs laid did not hatch
Out of syllabusAIPMT 2012 (Prelims)
3

Which one of the following is a wrong statement?

  1. Most of the forests have been lost in tropical areas
  2. Greenhouse effect is a natural phenomenon
  3. Ozone in upper part of atmosphere is harmful to animals
  4. Eutrophication is a natural phenomenon in freshwater bodies
Out of syllabusAIPMT 2012 (Prelims)
4

Measuring biochemical oxygen demand (BOD) is a method used for

  1. Working out the efficiency of oil driven automobile engines
  2. Estimating the amount of organic matter in sewage water
  3. Measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale
  4. Working out the efficiency of R.B.Cs. about their capacity to carry oxygen
Out of syllabusAIPMT 2012 (Prelims)
5

"Good ozone" is found in the

  1. Troposphere
  2. Ionosphere
  3. Stratosphere
  4. Mesosphere
Out of syllabusAIPMT 2011 (Mains)
6

Eutrophication is often seen in :

  1. Ocean
  2. Mountains
  3. Deserts
  4. Fresh water lakes
Out of syllabusAIPMT 2011 (Prelims)
7

Which one of the following pairs of gases is the major cause of "greenhouse effect"?

  1. CFCs and SO2
  2. CO2 and CO
  3. CO2 and N2O
  4. CO2 and O3
Out of syllabusAIPMT 2011 (Prelims)
8

Which one of the following statements is wrong in case of Bhopal tragedy?

  1. Thousands of human beings died
  2. It took place in the night of December 2/3, 1984
  3. Radioactive fallout engulfed Bhopal
  4. Methyl isocyanate gas leakage took place
Out of syllabusAIPMT 2011 (Prelims)
9

Which one of the following is the correct expanded form of the given acronym?

  1. IPCC = International Panel for Climate Change
  2. EPA = Environmental Pollution Agency
  3. UNEP = United Nations Environmental policy
  4. IUCN = International Union for Conservation of Nature and Natural Resources
Out of syllabusAIPMT 2011 (Prelims)
10

When domestic sewage mixes with river water

  1. The river water is still suitable for drinking as impurities are only about 0.1%
  2. Small animals like rats will die after drinking river water
  3. The increased microbial activity releases micro-nutrients such as iron
  4. The increased microbial activity uses up dissolved oxygen
Out of syllabusAIPMT 2010 (Mains)
11

A renewable exhaustible natural resource is –

  1. Forest
  2. Minerals
  3. Coal
  4. Petroleum
Out of syllabusAIPMT 2010 (Prelims)

All Environmental Issues PYQs →

PDFDownload Environmental Issues PYQs as PDF Free, with answer key and a QR code to every solution — print it or study offline⬇
All NEET Botany chapters
Class 11The Living WorldBiological ClassificationPlant KingdomMorphology of Flowering PlantsAnatomy of Flowering PlantsCell: The Unit of LifeCell Cycle and Cell DivisionTransport in PlantsMineral NutritionPhotosynthesis in Higher PlantsRespiration in PlantsPlant Growth and Development
Class 12Reproduction in OrganismsSexual Reproduction in Flowering PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionMicrobes in Human WelfareOrganisms and PopulationsEcosystemBiodiversity and ConservationEnvironmental Issues
Other chaptersBiomolecules (Biology)