UPSC 2014 › Environment & Ecology

22 questions · 2014 · answers as per the UPSC key

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Topics: Ecosystems & Ecology Concepts (3)Environmental Governance & Legislation (3)International Environmental Treaties & Summits (3)Sustainable Agriculture & Forestry (3)Climate Change & Greenhouse Gases (2)Pollution & Waste Management (2)Protected Areas & Wildlife (2)Water & Wetland Conservation (2)Biodiversity & Conservation (1)Biogeochemical Cycles & Earth Systems (1)

What are the significances of a practical approach to sugarcane production known as 'Sustainable Sugarcane Initiative'?

  1. Seed cost is very low in this compared to the conventional method of cultivation.
  2. Drip irrigation can be practiced very effectively in this.
  3. There is no application of chemical/inorganic fertilizers at all in this.
  4. The scope for intercropping is more in this compared to the conventional method of cultivation.

Select the correct answer using the code given below.

(a) 1 and 3 only
(b) 1, 2 and 4 only
(c) 2, 3 and 4 only
(d) 1, 2, 3 and 4
Show answer
Answer: (b) 1, 2 and 4 only

If a wetland of international importance is brought under the 'Montreux Record', what does it imply?

(a) Changes in ecological character have occurred, are occurring or are likely to occur in the wetland as a result of human interference
(b) The country in which the wetland is located should enact a law to prohibit any human activity within five kilometres from the edge of the wetland
(c) The survival of the wetland depends on the cultural practices and traditions of certain communities living in its vicinity and therefore the cultural diversity therein should not be destroyed
(d) It is given the status of 'World Heritage Site'
Show answer
Answer: (a) Changes in ecological character have occurred, are occurring or are likely to occur in the wetland as a result of human interference

With reference to Bombay Natural History Society (BNHS), consider the following statements :

  1. It is an autonomous organization under the Ministry of Environment and Forests.
  2. It strives to conserve nature through action-based research, education and public awareness.
  3. It organizes and conducts nature trails and camps for the general public.

Which of the statements given above is/are correct?

(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (c) 2 and 3 only

With reference to 'Global Environment Facility', which of the following statements is/are correct?

(a) It serves as financial mechanism for 'Convention on Biological Diversity' and 'United Nations Framework Convention on Climate Change'
(b) It undertakes scientific research on environmental issues at global level
(c) It is an agency under OECD to facilitate the transfer of technology and funds to underdeveloped countries with specific aim to protect their environment
(d) Both (a) and (b)
Show answer
Answer: (a) It serves as financial mechanism for 'Convention on Biological Diversity' and 'United Nations Framework Convention on Climate Change'

Consider the following pairs :

  1. Dampa Tiger Reserve : Mizoram
  2. Gumti Wildlife Sanctuary : Sikkim
  3. Saramati Peak : Nagaland

Which of the above pairs is/are correctly matched?

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (c) 1 and 3 only

With reference to a conservation organization called 'Wetlands International', which of the following statements is/are correct?

  1. It is an intergovernmental organization formed by the countries which are signatories to Ramsar Convention.
  2. It works at the field level to develop and mobilize knowledge, and use the practical experience to advocate for better policies.

Select the correct answer using the code given below.

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (b) 2 only

Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?

  1. Construction of dams and barrages on rivers
  2. Increase in the population of crocodiles in rivers
  3. Getting trapped in fishing nets accidentally
  4. Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers

Select the correct answer using the code given below.

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
Show answer
Answer: (c) 1, 3 and 4 only

Brominated flame retardants are used in many household products like mattresses and upholstery. Why is there some concern about their use?

  1. They are highly resistant to degradation in the environment.
  2. They are able to accumulate in humans and animals.

Select the correct answer using the code given below.

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (c) Both 1 and 2

Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth?

  1. Volcanic action
  2. Respiration
  3. Photosynthesis
  4. Decay of organic matter

Select the correct answer using the code given below.

(a) 1 and 3 only
(b) 2 only
(c) 1, 2 and 4 only
(d) 1, 2, 3 and 4
Show answer
Answer: (c) 1, 2 and 4 only

If you walk through countryside, you are likely to see some birds stalking alongside the cattle to seize the insects disturbed by their movement through grasses. Which of the following is/are such bird/birds?

  1. Painted Stork
  2. Common Myna
  3. Black-necked Crane

Select the correct answer using the code given below.

(a) 1 and 2
(b) 2 only
(c) 2 and 3
(d) 3 only
Show answer
Answer: (b) 2 only

Which of the following are some important pollutants released by steel industry in India?

  1. Oxides of sulphur
  2. Oxides of nitrogen
  3. Carbon monoxide
  4. Carbon dioxide

Select the correct answer using the code given below.

(a) 1, 3 and 4 only
(b) 2 and 3 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
Show answer
Answer: (d) 1, 2, 3 and 4

Every year, a monthlong ecologically important campaign/festival is held during which certain communities/tribes plant saplings of fruit-bearing trees. Which of the following are such communities/tribes?

(a) Bhutia and Lepcha
(b) Gond and Korku
(c) Irula and Toda
(d) Sahariya and Agariya
Show answer
Answer: (b) Gond and Korku

Which of the following have coral reefs?

  1. Andaman and Nicobar Islands
  2. Gulf of Kachchh
  3. Gulf of Mannar
  4. Sunderbans

Select the correct answer using the code given below.

(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4
Show answer
Answer: (a) 1, 2 and 3 only

The most important strategy for the conservation of biodiversity together with traditional human life is the establishment of

(a) biosphere reserves
(b) botanical gardens
(c) national parks
(d) wildlife sanctuaries
Show answer
Answer: (a) biosphere reserves

The scientific view is that the increase in global temperature should not exceed 2 °C above pre-industrial level. If the global temperature increases beyond 3 °C above the pre-industrial level, what can be its possible impact/impacts on the world?

  1. Terrestrial biosphere tends toward a net carbon source.
  2. Widespread coral mortality will occur.
  3. All the global wetlands will permanently disappear.
  4. Cultivation of cereals will not be possible anywhere in the world.

Select the correct answer using the code given below.

(a) 1 only
(b) 1 and 2 only
(c) 2, 3 and 4 only
(d) 1, 2, 3 and 4
Show answer
Answer: (b) 1 and 2 only

What are the benefits of implementing the ‘Integrated Watershed Development Programme’?

  1. Prevention of soil runoff
  2. Linking the country’s perennial rivers with seasonal rivers
  3. Rainwater harvesting and recharge of groundwater table
  4. Regeneration of natural vegetation

Select the correct answer using the code given below.

(a) 1 and 2 only
(b) 2, 3 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
Show answer
Answer: (c) 1, 3 and 4 only

With reference to Neem tree, consider the following statements :

  1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites.
  2. Neem seeds are used in the manufacture of biofuels and hospital detergents.
  3. Neem oil has applications in pharmaceutical industry.

Which of the statements given above is/are correct?

(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (c) 1 and 3 only

Consider the following international agreements :

  1. The International Treaty on Plant Genetic Resources for Food and Agriculture
  2. The United Nations Convention to Combat Desertification
  3. The World Heritage Convention

Which of the above has/have a bearing on the biodiversity?

(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (d) 1, 2 and 3

Consider the following statements regarding ‘Earth Hour’ :

  1. It is an initiative of UNEP and UNESCO.
  2. It is a movement in which the participants switch off the lights for one hour on a certain day every year.
  3. It is a movement to raise the awareness about the climate change and the need to save the planet.

Which of the statements given above is/are correct?

(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (c) 2 and 3 only

Which one of the following is the correct sequence of a food chain?

(a) Diatoms–Crustaceans–Herrings
(b) Crustaceans–Diatoms–Herrings
(c) Diatoms–Herrings–Crustaceans
(d) Crustaceans–Herrings–Diatoms
Show answer
Answer: (a) Diatoms–Crustaceans–Herrings

With reference to 'Eco-Sensitive Zones', which of the following statements is/are correct?

  1. Eco-Sensitive Zones are the areas that are declared under the Wildlife (Protection) Act, 1972.
  2. The purpose of the declaration of Eco-Sensitive Zones is to prohibit all kinds of human activities in those zones except agriculture.

Select the correct answer using the code given below.

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
Show answer
Answer: (d) Neither 1 nor 2

Consider the following statements :

  1. Animal Welfare Board of India is established under the Environment (Protection) Act, 1986.
  2. National Tiger Conservation Authority is a statutory body.
  3. National Ganga River Basin Authority is chaired by the Prime Minister.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 and 3 only
(c) 2 only
(d) 1, 2 and 3
Show answer
Answer: (b) 2 and 3 only