Back to Environmental Issues

Set 1 of 1 · Questions 1-16 of 16

In the print window choose “Save as PDF”. The file prints without a web address or date line.

Mere Teacher

Mere Teacher · Previous Year Questions

NEET Biology · Environmental Issues · Set 1 (Q1-16)

QR code to mereteacher.com

Scan or visit mereteacher.com for free PYQ practice, timed CBT tests, step-by-step solutions and BroBot AI. Answers and solutions are free with a sign-up.

  1. 1.
    Which one of the following expanded forms of the following acronyms is correct?
    1. (1)UNEP United Nations Environmental Policy
    2. (2)EPA Environmental Pollution Agency
    3. (3)IUCN International Union for Conservation of Nature and Natural Resources
    4. (4)IPCC International Penal for Climate Change
  2. 2.
    In an area where DDT had been used extensively the population of birds declined significantly because
    1. (1)Birds stopped laying eggs.
    2. (2)Earthworms in the area got eradicated.
    3. (3)Cobras were feeding exclusively on birds.
    4. (4)Many of the birds eggs laid, did not hatch.
  3. 3.
    Which of the following is not one of the primary health risks associated with greater UV radiation
    through the atmosphere due to depletion of stratospheric ozone?
    1. (1)Increased skin caner
    2. (2)Reduced immune system
    3. (3)Damage to eyes
    4. (4)Increased liver cancer
  4. 4.
    The two gases making highest relative contribution to the greenhouse gases are
    1. (1)CO2 and CH4
    2. (2)CH4 and NO2
    3. (3)CFCs and N2O
    4. (4)CO2 and N2O
  5. 5.
    A lake which is rich in organic waste may result in
    1. (1)Drying of the lake due to algal bloom
    2. (2)Increased population of fish due to lots of nutrients
    3. (3)Mortality of fish due to lack of oxygen
    4. (4)Increases population of aquatic organisms due to minerals
  6. 6.
    Acid rain is caused by the increase in the atmospheric concentration of
    1. (1)SO3 and CO
    2. (2)CO2 and CO
    3. (3)O3 and dust
    4. (4)SO2 and NO
  7. 7.
    Which one of the following statements is wrong in case of Bhopal gas tragedy?
    1. (1)Thousands of human beings died.
    2. (2)Radioactive fallout engulfed Bhopal.
    3. (3)It took place in the night of December 2/3, 1984.
    4. (4)Methyl isocyanate gas leakage took place.
  8. 8.
    Increase in the concentration of the toxicant at successive trophic levels is known as
    1. (1)Biodeterioration
    2. (2)Biotransformation
    3. (3)Biogeochemical cycling
    4. (4)Biomagnification
  9. 9.
    The UN conference of Parties on climate change in the year 2011 was held at
    1. (1)Poland
    2. (2)South Africa
    3. (3)Peru
    4. (4)Qatar
  10. 10.
    A scrubber in the exhaust of a chemical industrial plant removes
    1. (1)Gases like sulphur dioxide.
    2. (2)Particulate matter of the size 5 micrometre or above.
    3. (3)Gases like ozone and methane.
    4. (4)Particulate matter of the size 2.5 micrometre or less.
  11. 11.
    Which of the following are the most suitable indicators of SO2 pollution in the environment?
    1. (1)Conifers
    2. (2)Algae
    3. (3)Fungi
    4. (4)Lichens
  12. 12.
    The highest DDT concentration in aquatic food chain shall occur in
    1. (1)Seagull
    2. (2)Crab
    3. (3)Cell
    4. (4)Phytoplankton
  13. 13.
    Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers:
    1. (1)Nitrous oxide
    2. (2)Ozone
    3. (3)Ammonia
    4. (4)Methane
  14. 14.
    Measuring Biochemical Oxygen Demand (BOD) is a method used for
    1. (1)Estimating the amount of organic matter in sewage water.
    2. (2)Working out the efficiency of oil driven automobile engines.
    3. (3)Measuring the activity of saccharomyces cerevisiae in producing curd on a commercial scale.
    4. (4)Working out the efficiency of RBCs about their capacity to carry oxygen.
  15. 15.
    ‘Good ozone’ is found in the
    1. (1)Mesosphere
    2. (2)Troposphere
    3. (3)Stratosphere
    4. (4)Ionosphere
  16. 16.
    Global warming can be controlled by
    1. (1)Reducing deforestation, cutting down the use of fossil fuel.
    2. (2)Reducing reforestation, increasing the use of fossil fuel.
    3. (3)Increasing deforestation, slowing down the growth of human population.
    4. (4)Increasing deforestation, reducing the efficiency of energy usage.