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Today the questions are based on the ecology.

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1.Consider the statements regarding Ground level ozone:

  1. At the ground level, it is a pollutant.
  2. Ozone plays a major role in Photochemical Smog.
  3. Carbon monoxide, Nitrogen dioxide etc. play a major role in converting O2 to O3 in ground level.

Which among the above statements is/are true?

  1. 1 and 2
  2. 2 and 3
  3. 1 and 3
  4. 1, 2 and 3

2. Recently India has implemented BS IV standards in country. In this context which of the following statements is/are true regarding Catalytic converters?

  1. It can convert unburnt hydrocarbons into carbon dioxide and water.
  2. Lead in the petrol inactivates the catalyst in catalytic converters

Select the correct answer using the code given below.

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 and 2

3. Which of the following pollutants is/are added under National Air Quality Index (AQI)?

  1. PM 10
  2. Lead
  3. Carbon dioxide
  4. Ammonia
  5. Ozone

Select the correct answer using the codes given below

  1. 1, 2 and 5
  2. 1, 3, 4 and 5
  3. 1, 2, 4 and 5
  4. All the above

4. Which of the following statements is/are true regarding Acid Rain?

  1. Acid rain is formed mainly due to gases such as sulphur dioxide and oxides of nitrogen,
  2. Acid precipitation affects only terrestrial organisms, buildings and monuments.
  3. The impact of acid rain on soil is less in India.

Select the correct answer using the code given below.

  1. 1 and 2
  2. 2 and 3
  3. 1 and 3
  4. 1, 2 and 3

5. Why has an “ozone hole” appeared over Antarctica when ozone depleting substances are present throughout the stratosphere?

  1. Southern Hemisphere has little terrestrial region.
  2. Antarctica is colder than arctic and other regions of earth
  3. Presence of prominent polar front and stratospheric Clouds and inflow of chlorofluorocarbons.

Which among the above statements is/are true?

  1. 1 and 2
  2. 2 and 3
  3. 1 and 3
  4. 1, 2 and 3

6. Which of the following statements is/are true regarding an aquatic ecosystem?

  1. Dissolved oxygen is the amount of gaseous oxygen (O2) dissolved in the water
  2. Biochemical Oxygen Demand  measures the amount of oxygen in parts per million required to oxidize organic and oxidizable inorganic compounds in the water sample.
  3. Chemical Oxygen Demand is the amount of dissolved oxygen needed by bacteria in decomposing the organic wastes present in water.

Select the correct answer using the codes given below

  1. 1 only
  2. 1 and 3
  3. 2 and 3
  4. 1, 2 and 3

7.Recently Bioremediation method is found to be effective in treatment of contaminated/polluted regions. Which of the following bioremediation methods are correctly paired

  1. Bioventing: Injection of air under pressure below the water table to increase groundwater oxygen concentrations
  2. Biosparging: supply of air and nutrients through wells to contaminated soil to stimulate the growth of indigenous bacteria.
  3. Bioaugmentation: Microorganisms are imported to a contaminated site to enhance degradation process.

Select the correct answer using the code given below.

  1. 1 only
  2. 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

8. Match the following

        Pollutant                      Disease

  1. Cadmium          A. Blue Baby Syndrome
  2. Nitrate               B. Melanosis
  3. Mercury            C. Itai Itai
  4. Arsenic              D. Minamata disease

Select the correct answer using the codes given below

  1. 1-B 2-A 3-D 4-C
  2. 1-C 2-A 3-D 4-B
  3. 1-C 2-D 3-A 4-B
  4. 1-B 2-C 3- D 4- A

9. Consider the following statements:

  1. Keystone species is a species whose addition to or loss from an ecosystem leads to major changes in occurrence of at least one other species.
  2. Flagship species is a dominant primary producer in an ecosystem both in terms of abundance and influence.
  3. Foundation species is a species chosen to represent an environmental cause, such as an ecosystem in need of conservation.

Which among the above statements is/are true?

  1. 1 only
  2. 2 and 3
  3. 1 and 3
  4. 1, 2 and 3

10. Consider the statements regarding Bramble Cay Melomys:

  1. It is the first mammal species wiped out by human-induced climate change.
  2. It was endemic to Andaman and Nicobar Islands

Which among the above statements is/are true?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

11. Consider the statements regarding National Board for WildLife (NBWL):

  1. It is constituted under the Wildlife Protection Act, 1972
  2. It is is chaired by India’s Prime Minister.

Which among the above statements is/are true?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

12. Which of the following statements is/are true regarding Eco-Sensitive Zones(ESZs)?

  1. State government is the authority to declare a region as Eco-Sensitive Zones.
  2. ESZs are declared under Wildlife Protection Act, 1972
  3. The purpose of the ESZ was to provide more protection to the parks by acting as a shock absorber or transition zone.

Select the correct answer using the codes given below

  1. 1 and 2
  2. 1 and 3
  3. 2 and 3
  4. 1, 2 and 3

13. Which of the following statements is/are not true regarding International Union for Conservation of Nature (IUCN)?

  1. IUCN is an international NGO working in the field of nature conservation.
  2. The pink pages in IUCN Red List include the critically endangered species.

Select the correct answer using the codes given below

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

14. Consider the statements regarding Bengal Florican:

  1. It is endemic to India
  2. It is very well known for its mating dance.
  3. It is mainly seen in West Bengal and Odisha in India.

Which among the above statements is/are true?

  1. 1 and 2
  2. 2 only
  3. 1 and 3
  4. 1, 2 and 3

15. Which of the following is/are insectivorous plants?

  1. Nepenthes
  2. Drosera
  3. Venus Fly Trap
  4. Cuscuta

Select the correct answer using the codes given below

  1. 1, 2 and 3
  2. 1, 3 and 4
  3. 2, 3 and 4
  4. 1, 2, 3 and 4

16. Which of the following is/are Greenhouse Gases?

  1. Nitrous Oxide (N2O)
  2. Sulphur Hexafluoride (SF6)
  3. Nitrogen oxide (NO)
  4. Methane (CH4)

Select the correct answer using the codes given below

  1. 1, 2 and 3
  2. 1, 2 and 4
  3. 2, 3 and 4
  4. All the above

17. With reference to  Wildlife Trade Monitoring Network (TRAFFIC) , which of the following statements is/are correct?

  1. TRAFFIC is an organ under United Nations Framework Convention on Climate Change (UNFCCC).
  2. Traffic is complementary to Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES).

Select the correct answer using the code given below.

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 and 2

18. Consider the following statements regarding biodiversity hotspots:

  1. Asia-Pacific region accounts for the most number of biodiversity hotspots in the world.
  2. India is one of the megadiverse countries and also hosts four biodiversity hotspots.

Which of the above statements is/are true?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

19. The National Green Tribunal has jurisdiction over all civil cases where a substantial question relating to environment under the ambit of which of the following Acts?

  1. The Forest (Conservation) Act
  2. The Environment (Protection) Act, 1986
  3. Wildlife Protection Act, 1972
  4. The Biological Diversity Act, 2002
  5. Forest Rights Act, 2006

Select the correct answer using the code given below.

  1. 1 , 2 , 3 and 4 only
  2. 2 , 3, 4 and 5 only
  3. 1 , 2 and 4 only
  4. All of the above.

20. Which of the following acts as carbon sinks?

  1. Blue carbon
  2. Brown Carbon
  3. Green Carbon
  4. Yellow Carbon
  5. Black Carbon

Select the correct answer using the code given below.

  1. Only 1 and 3
  2. Only 1, 2 and 3
  3. Only 1, 2, 3 and 5
  4. All of the above

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