ENVIROMENT MCQ FOR CSAT

1.Eutrophication of water bodies resulting to killing of fishes is mainly due to-
(a) Non-availability of food
(b) Non-availability of light
(c) Non-availability of oxygen
(d) Non-availability of essential minerals

 2.The pyramid of biomass will be inverted in the ecosystem of-
(a) Forests(b) Ponds(c) Grasslands(d) Drylands

3.The pyramid of number of a parasitic food chain in forest ecosystem is-
(a) Always inverted      

(d) Always upright
(b) Mixture of inverted & upright
(d) Sometimes inverted and sometimes upright

4.UV radiations is injurious to plants because it-
(a) Break phosphate bonds(b) Increases respiration
(c) Causes dehydration  (d) Causes genetic changes

5.A term biotype means-
(a) All individuals having same phenotype
(b) All individuals having same genotype
(c) All individual with different phenotype
(d) All individuals with different genotype

6.In which of the following the maximum plant diversity is found-
(a) Tropical rain forests
(b) Tropical moist deciduous forests
(c) Sub tropical mountain forests
(d) Temperate moist forests

7. The Ecological pyramid that is always upright
(a) Pyramid of energy   

(b) Pyramid of biomass
(c) Pyramid of number  

(d) None of the above

8. Many individuals of the same species living together in a  defined area form a/an 

a community     b genus. c population. d ecosystem.

9.Which of the following terms best describes the inter- relationship between nitrogen‑fixing bacteria and the pulses plants in whose roots they live? 

a . mutualism                 b . commensalism

c  amensalism               d  parasitism

10.In a lake polluted with pesticides, which one of the following will contain the maximum amount of pesticides

a.small fish                    b.zooplankton

c.big fish                       d.water birds

11. In our country the Van Mahotsav Day is observed on

(a) Second of October           (b) First of December

(c) Tenth of August               (d) First of July

12.According to Thomas Malthus, population increases_______ while food supply increases _____

a. geometrically,arithematically

b. arithematically, geometrically,

c  fractionally,progressively

d. geometrically,geometrically

13.All the populations of plants and animal species that live and interact in a given area at a particular time, as well as the chemical and physical factors that make up the non-living environment are called

a.ecosystem                              b.ecotone   c.ecological niche                 d,community

14.The belief that a disproportionate number of hazardous facilities are placed in areas populated by poor and minority people is called 

a.anthropocentrism        b.environmental racism

c environmental divide     d environmental dominance

15.The two compounds that acid rain contains that are most damaging to the environment are

a.carbon dioxide; water  b.sulfuric acid; nitric acid

c.nitrogen; wate                        d.carbon dioxide; sulfuric acid

16.The International Day for Biological Diversity (IDB) was celebrated around the world on
a) May 5, 2011              b) May 22, 2011
c) June 5, 2011              d) June 20, 2011 

17. The first session of world’s first intergovernmental agency on renewable energy ‘IRENA Assembly’ was held at ______.
a) Doha            b) Muscot         c) Abu Dhabi    d) Vienna

18.India’s battery powered and compressor less mini refrigerator ‘ChotuKool’ is a product of which of the following companies?
a) LG   b) Godrej          c) Whirlpool d) Videocon

19. Enrica Lexie which came into news recently on account of killing two Indian  fishermen off the Kerala coast is a 
a) a oil tanker from Quwait     b) a oil tanker from Iran
c) a oil tanker from UAE        d) a oil tanker from Italy

20.the head quarters of international whaling commission

a)newyork        b)Kyoto   c)perth           d)Cambridge

21. increased defoliation in plants is caused by

a)ozone depletion                       b)acid rains

c)global warming                       d)ground pollution

22.The Himalayan ibex is a type of

a)goat   b)deer      c)ass                         d)cattle

23.For providing environmental information to decision makers, policy planners, scientists and engineers, research workers, etc. all over the country., ENVIS was established in the year

a)1979              b)1980              c)1981          d)1982

24.which of the following is not a mission listed under national Action Plan on Climatic Change

a)national mission on sustainable development

b)national mission on enhanced energy efficiency

c)national mission on sustainable Himalayan ecosystem

d)national mission on strategic knowledge  for climate change

25.the only conference of parties held in India

a)cop-12           b)cop-13           c)c0p-14    d)c0p-15