Q.1
Estuaries occur in .... .... [A.M.U.2001]
  • a) Odisha and Tamilnadu
  • b) Kerala and Tamilnadu
  • c) Kerala and Odisha
  • d) Odisha, Kerala and Tamilnadu
Q.2
Taungya is practice of .... .... [M.H.T.C.E.T 2010]
  • a) Shifting cultivation
  • b)Agro forestry
  • c) Production forestry
  • d) Both A and B
Q.3
Greatest problem in water conservation is to reduce the amount of D.P.M.T. 2009
  • a) Ground water
  • b) Precipitation
  • c) Run-off water
  • d) Evaporation
Q.4
Non conventional source of energy is .... .... [C.P.M.T. 1995]
  • a) Wood
  • b) Plants and cool
  • c) Coal
  • d) Petroleum
Q.5
The driving force for an ecosystem is .... .... [C.P.M.T.1991]
  • a) Biomass
  • b) Producers
  • c) Carbohydrates in producers
  • d) Solar energy
Q.6
Cloves are obtained from .... .... [B.H.U.2003]
  • a) Erupted styles
  • b) Inflorescence
  • c) True fruits
  • d) Unopened flower buds
Q.7
Pyramid of numbers in a grassland/tree ecosystem is .... .... [M.P.P.M.T.1998]
  • a) Always inverted
  • b) Always upright
  • c) Both A and B
  • d) Spindle – shaped
Q.8
In comparative study of grassland and pond ecosystems .... .... [K.C.E.T.2003]
  • a) Biotic components are almost similar
  • b) Abiotic components are almost similar
  • c) Primary and secondary consumers are similar
  • d) Biotic and abiotic components are different
Q.9
Arrange the following in descending order of their role in soil erosion a. Wind erosion b. Chemical degradation c. Physical degradation d. Water erosion Guj C.E.T. 2009
  • a) i - ii - iii - iv
  • b) iv - i - ii - iii
  • c) iv - iii - ii - i
  • d) iv - ii - iii – i
Q.10
Stratification is more common in .... .... [Har .P.M.T.1994]
  • a) Tropical rain forest
  • b) Deciduous forest
  • c) Temperate forest
  • d) Tropical savannah
Q.11
Stratification is found in ..... ..... [D.P.M.T.2002]
  • a) Tropical rain forest
  • b) Deciduous forest
  • c) Desert
  • d) Both A and B
Q.12
Geothermal energy is .... .... [Pb P.M.T. 1998]
  • a) Nonrenewable nonconventional energy source
  • b) Nonrenewable conventional energy source
  • c) Renewable conventional energy source
  • d) Renewable non-conventional energy source
Q.13
Of all the species of insects known, nearly 70-80% are found in .... .... [H.P.P.M.T.2001]
  • a) Tropical Savanna
  • b) Chaparral
  • c) Tropical rain forest
  • d) Deciduous forests
Q.14
Chipko movement started .... .... [C.E.T.Chd 2003]
  • a) 1963
  • b) 1973
  • c) 1983
  • d) 1993
Q.15
Ecosystem of a pond is .... .... [Pb.P.M.T.1999]
  • a) Lotic
  • b) Lentic
  • c) Benthic
  • d) Xeric
Q.16
Chipko movement is connected with .... .... [C.P.M.T. 1998]
  • a) Conservation of natural resources
  • b) Plant/Forest conservation
  • c) Plant breeding
  • d) Project tiger
Q.17
Which one has always an upright/steeper vertical gradient? .... .... [Har.P.M.T.2000]
  • a) Pyramid of mass
  • b) Pyramid of energy
  • c) Pyramid of numbers
  • d) Pyramid of energy in aquatic ecosystem
Q.18
Percentage of water present in oceans and seas is .... .... [Har .P.M.T. 1994]
  • a) 60%
  • b) 70%
  • c) 80%
  • d) 95%
Q.19
Which one has evergreen vegetation and drought adapted animals? .... ..... [Har.P.M.T.2000]
  • a) Chaparral
  • b) Savannah
  • c) Tundra
  • d) Deciduous forest
Q.20
Where there is no difference .... ..... [C.P.M.T.1991]
  • a) T1 and herbivores
  • b) Primary consumers and herbivores
  • c) Primary carnivores and T2
  • d) Secondary consumers and herbivores
Q.21
Terai forest is .... .... [Pb.P.M.T.2000]
  • a) Tropical
  • b) Coniferous
  • c) Deciduous
  • d) Temperate deciduous
Q.22
Bulk fixation of carbon through photosynthesis takes place .... .... [C.B.S.E. 1994]
  • a) Tropical rain forests
  • b) Tropical rain forests and crop forest
  • c) Crop plants
  • d) Oceans
Q.23
Weathering of rocks makes phosphorus available to first .... .... [A.M.U.2002]
  • a) Producers
  • b) Decomposers
  • c) Consumers
  • d) None
Q.24
Source of water which does not evolve CO2 is .... .... [R.P.M.T. 1995]
  • a) Coal
  • b) Oil
  • c) Organic compounds
  • d) Nuclear energy.
Q.25
An ecosystem is not .... ..... [Odisha 2004]
  • a) Open system
  • b) Closed system
  • c) Variable system
  • d) None
Q.26
Hydropower is .... .... [D.P.M.T.2005]
  • a) Inexhaustible and renewable source
  • b) Inexhaustible and nonrenewable source
  • c) Exhaustible and non renewable source
  • d) Exhaustible and renewable source
Q.27
A treeless biome is ..... ..... [M.P.P.M.T.2000]
  • a) Tundra
  • b) Grassland
  • c) Desert
  • d) All the above
Q.28
Which is not a method of soil conservation .... .... [K.C.E.T. 2010]
  • a) Strip cropping
  • b) Overgrazing
  • c) Crop rotation
  • d) Mulching
Q.29
Slash and burn agriculture is .... .... [A.F.M.C. 2012]
  • a) Crop rotation
  • b) Organic farming
  • c) Jhum cultivation
  • d) Step farming
Q.30
Which part of the world has high density of organisms? .... ..... [Odisha 2007]
  • a) Grasslands
  • b) Savannahs
  • c) Deciduous forest
  • d) Tropical rain forests
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