Environmental Studies MCQ : Set-09

MCQ Questions On Environmental Studies .

Answer are given in Bold highlight .  

1. Which one is the correct food chain?

  1. Phytoplankton —» Zooplankton —» Fish .
  2. Zooplankton —» Phytoplankton —»Fish  .
  3. Zooplankton —» Protozoans —» Fish  .
  4. Grass —» Fish —» Zooplankton .

2. A food web consists of 

  1. Interlocking food chains .
  2. Producers, consumers and decomposers .
  3. A portion of a food chain .
  4. A set of similar consumers .

3. Food webs are 

  1. One kind of food .
  2. Not related to food chains at all .
  3. Inter-connected arrangement of food chains .
  4. Linear arrangement of food chains .

4. Pyramid of number is given by 

  1. Haeckel .
  2. Odum .
  3. Elton .
  4. Tansely.

5.  Which ecological pyramid is always upright?

  1. Pyramid of number .
  2. Pyramid of biomass .
  3. Pyramid of energy .
  4. Pyramid of number and biomass .

6. An ecological pyramid refers to the

  1. Pyramid of energy .
  2. Pyramid of number .
  3. Pyramid of biomass .
  4. All of the above .

7 .An ecosystem may not undergo changes because:

  1. It is in a state of homeostasis .
  2. It has plants and animals both .
  3. It gets solar energy continuously .
  4. The decomposers are present in it .

8. Energy flow in an ecosystem is always:

  1. Unidirectional .
  2. Cyclic .
  3. Reversible .
  4. Multi-directional .

9.  The primary producers in a forest ecosystem are:

  1. Chlorophyll containing trees and plants .
  2. Herbivores .
  3. Carnivores .
  4. Bacteria and other micro-organism .

10. The desert among the following which is not a cold desert is:

  1. Gobi desert .
  2. Patagonian desert .
  3. Atacama desert .
  4. Majava desert .

11. The darker zone in lakes where light penetration is negligible is called the:

  1. Euphotic zone .
  2. Littoral zone .
  3. Limnetic zone .
  4. Benthic zone .

12. The zone of a sea lying over the continental shelf is known as the:

  1. Bathyl zone 
  2. Neritic zone .
  3. Abyssal zone
  4. Littoral zone .

13. Tendency of pollutants to become concentrated in successive trophic levels is known as:

  1. Biomagnification .
  2. Biorhythm .
  3. Bioremediation .
  4. Biopiracy .

14. Eutrophication is:

  1. An improved water quality status of lakes .
  2. The result of accumulation of plant nutrients in water bodies .
  3. A process in the carbon cycle .
  4. A water purification technique

15 .Increase in fauna and decrease in flora would be harmful due to increase in:

  1. Diseases .
  2. CO .
  3. O2 .
  4. Radioactive pollution .

16 The largest reservoir of nitrogen in our planet is:

  1. Ocean .
  2. Atmosphere .
  3. Biosphere .
  4. Fossil fuels .

17 Overgrazing results in:

  1. Soil erosion .
  2. Retention of useful species .
  3. Productive soils .
  4. All of the above .

18 In services output, India is:

  1.  10 .
  2. 12 .
  3. 15 .
  4. 4 .

19 ‘Smog’ is a mixture of 

  1. Smoke and Fog .
  2. Snow and Fog .
  3. Snow and Dust .
  4. Sulphur Dioxide and Fog .

20 A liquid fuel that was formed from the ancient remains of sea plants and animals is

  1. Natural gas .
  2. Petroleum .
  3. Geothermal energy .
  4. Coal .

21 A poisonous gas given out of vehicles exhaust is

  1. Carbon monoxide .
  2. Ethane .
  3. Methane .
  4. Carbon dioxide .

22 A product of photosynthesis is .

  1. Carbon dioxide .
  2. Water .
  3. Oxygen .
  4. Chlorophyll .

23 Atmosphere consists of 79 percent Nitrogen and 21 percent Oxygen by

  1. Volume .
  2. Weight .
  3. Density .
  4. All of these .

24 Biogas contains mainly

  1. Carbon dioxide  .
  2. Methane .
  3. Butane .
  4. Propane .

25 Carbon dioxide constitutes about 0.03% of the atmosphere

  1. By volume
  2. By weight .
  3. By mass .
  4. None of these

26 Development activities on the hydrosphere cause 

  1. Air pollution .
  2. Soil pollution 
  3. Water pollution
  4. Soil erosion .

27 Energy from the heat inside the earth is 

  1. Natural gas
  2. Geothermal
  3. Petroleum .
  4. Terrathermal .

28 Energy in the rays from the sun is called

  1. Solar energy .
  2. Wind energy .
  3. Tidal energy .
  4. Water energy .

29 Environment is the life support system that includes

  1. Air .
  2. Water .
  3. Land .
  4. All of the above

30 Extensive planting of trees to increase cover is called

  1. Afforestation .
  2. Agroforestation .
  3. Deforestation
  4. Social forestry .

31 Forest and wild life are 

  1. Renewable resource .
  2. Non-renewable resources
  3. Inexhaustible resources
  4. None of these

32 Forests prevent soil erosion by binding soil particles in their

  1. Leaves
  2. Roots
  3. Buds
  4. Stems

33 Formation of hole in Ozone is maximum over 

  1. India
  2. Europe
  3. Antarctica 
  4. Africa

34 Fossil fuel and metallic minerals are:

  1. Renewable resource
  2. Inexhaustible resources
  3. Non-renewable resources
  4. None of these .

35 Green house effect is linked to 

  1. Nitrogen oxides
  2. Sulphur dioxides
  3. Carbon dioxides 
  4. Carbon monoxides .

36 In our country the percentage of land under forest is about:

  1. 24%
  2. 21.54% 
  3. 26%
  4. 30.24% .

37 In respect of water crisis, there have been conflicts/disputes between two countries, or states of the same country. Which of the following has never been the case of water conflict ?

  1. Cauvery water dispute between Tamil Nadu and Karnataka .
  2. Yamuna-Betwa dispute between U.P. and M.P.
  3. Sutlej Yamuna Link SYL) .
  4. canal dispute between Punjab and Haryana .

38 Instrumentation technology used to locate suitable places for mining

  1. Microscope
  2. Salinometer 
  3. GIS  .
  4. Camera trap .

39 Kaveri water dispute is in between:

  1. India and Pakistan .
  2. Punjab and Haryana .
  3. Uttar Pradesh and Madhya Pradesh .
  4. Karnataka and Tamil Nadu .

40. Khetri Rajasthan) is famous for:

  1. Coal mines
  2. Copper mines
  3. Granite stone
  4. Marble stone

41 Main source of acid rain is 

  1. Sulphur dioxide
  2. Nitrogen
  3. Carbon dioxide
  4. Carbon monoxide .

42 Major consumer of wood from forest is ___________

  1. Thermal Power Plant
  2. Paper Industry
  3. Chemistry Industry
  4. none .

43 Moisture in the air is known as

  1. Water .
  2. Fog
  3. Snow .
  4. Humidity .

44 Name the country which virtually closed cod fishery in the 1990’s due to depletion of fish reserves

  1. Canada
  2. Argentina
  3. Italy
  4. India .

45 .Name the financial agency which hesitate to support the Sardar Sarovar Project in India in 1993 a result of the demands of local people threatened with the loss of their livelihoods and homes in the submergence area.

  1. Swiss bank
  2. World Bank
  3. Bank of India
  4. International Monetary Fund .

46. Nitrogen constitutes about 78% of the atmosphere

  1. By weight .
  2. By mass .
  3. By volume .
  4. None of these .

47 Noise is measured by sound meter and the unit is

  1. Hertz
  2. Joule
  3. Decibel
  4. Seconds .

48 . One of India’s serious environmental problems is forest degradation. What is the main cause of forest degradation?

  1. Timber extraction .
  2. honey extraction
  3. high altitude
  4. Low Rainfall .

49 Ozone day is observed on 

  1. 3rd January .
  2. 16th September
  3. 10th November
  4. 26th March .

50 Ozone Umbrella is located in which layer of atmosphere

  1. Troposphere
  2. Stratosphere
  3. Mesosphere
  4. Ionosphere 

 

Thanks for Visiting us . 

Tags

You may like these posts

Show more