Taungya is practice of .... .... [M.H.T.C.E.T 2010]
0%
a) Shifting cultivation
33%
b)Agro forestry
33%
c) Production forestry
33%
d) Both A and B
Q.3.
Greatest problem in water conservation is to reduce the amount of D.P.M.T. 2009
20%
a) Ground water
20%
b) Precipitation
40%
c) Run-off water
20%
d) Evaporation
Q.4.
Non conventional source of energy is .... .... [C.P.M.T. 1995]
20%
a) Wood
20%
b) Plants and cool
20%
c) Coal
40%
d) Petroleum
Q.5.
The driving force for an ecosystem is .... .... [C.P.M.T.1991]
25%
a) Biomass
25%
b) Producers
0%
c) Carbohydrates in producers
50%
d) Solar energy
Q.6.
Cloves are obtained from .... .... [B.H.U.2003]
0%
a) Erupted styles
50%
b) Inflorescence
50%
c) True fruits
0%
d) Unopened flower buds
Q.7.
Pyramid of numbers in a grassland/tree ecosystem is .... .... [M.P.P.M.T.1998]
50%
a) Always inverted
0%
b) Always upright
50%
c) Both A and B
0%
d) Spindle – shaped
Q.8.
In comparative study of grassland and pond ecosystems .... .... [K.C.E.T.2003]
0%
a) Biotic components are almost similar
100%
b) Abiotic components are almost similar
0%
c) Primary and secondary consumers are similar
0%
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
0%
a) i - ii - iii - iv
0%
b) iv - i - ii - iii
100%
c) iv - iii - ii - i
0%
d) iv - ii - iii – i
Q.10.
Stratification is more common in .... .... [Har .P.M.T.1994]
0%
a) Tropical rain forest
50%
b) Deciduous forest
50%
c) Temperate forest
0%
d) Tropical savannah
Q.11.
Stratification is found in ..... ..... [D.P.M.T.2002]
100%
a) Tropical rain forest
0%
b) Deciduous forest
0%
c) Desert
0%
d) Both A and B
Q.12.
Geothermal energy is .... .... [Pb P.M.T. 1998]
0%
a) Nonrenewable nonconventional energy source
0%
b) Nonrenewable conventional energy source
100%
c) Renewable conventional energy source
0%
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]
0%
a) Tropical Savanna
0%
b) Chaparral
100%
c) Tropical rain forest
0%
d) Deciduous forests
Q.14.
Chipko movement started .... .... [C.E.T.Chd 2003]
0%
a) 1963
0%
b) 1973
100%
c) 1983
0%
d) 1993
Q.15.
Ecosystem of a pond is .... .... [Pb.P.M.T.1999]
100%
a) Lotic
0%
b) Lentic
0%
c) Benthic
0%
d) Xeric
Q.16.
Chipko movement is connected with .... .... [C.P.M.T. 1998]
0%
a) Conservation of natural resources
100%
b) Plant/Forest conservation
0%
c) Plant breeding
0%
d) Project tiger
Q.17.
Which one has always an upright/steeper vertical gradient? .... .... [Har.P.M.T.2000]
100%
a) Pyramid of mass
0%
b) Pyramid of energy
0%
c) Pyramid of numbers
0%
d) Pyramid of energy in aquatic ecosystem
Q.18.
Percentage of water present in oceans and seas is .... .... [Har .P.M.T. 1994]
0%
a) 60%
0%
b) 70%
100%
c) 80%
0%
d) 95%
Q.19.
Which one has evergreen vegetation and drought adapted animals? .... ..... [Har.P.M.T.2000]
0%
a) Chaparral
0%
b) Savannah
100%
c) Tundra
0%
d) Deciduous forest
Q.20.
Where there is no difference .... ..... [C.P.M.T.1991]
0%
a) T1 and herbivores
0%
b) Primary consumers and herbivores
100%
c) Primary carnivores and T2
0%
d) Secondary consumers and herbivores
Q.21.
Terai forest is .... .... [Pb.P.M.T.2000]
0%
a) Tropical
100%
b) Coniferous
0%
c) Deciduous
0%
d) Temperate deciduous
Q.22.
Bulk fixation of carbon through photosynthesis takes place .... .... [C.B.S.E. 1994]
100%
a) Tropical rain forests
0%
b) Tropical rain forests and crop forest
0%
c) Crop plants
0%
d) Oceans
Q.23.
Weathering of rocks makes phosphorus available to first .... .... [A.M.U.2002]
0%
a) Producers
100%
b) Decomposers
0%
c) Consumers
0%
d) None
Q.24.
Source of water which does not evolve CO2 is .... .... [R.P.M.T. 1995]
0%
a) Coal
0%
b) Oil
100%
c) Organic compounds
0%
d) Nuclear energy.
Q.25.
An ecosystem is not .... ..... [Odisha 2004]
0%
a) Open system
0%
b) Closed system
0%
c) Variable system
100%
d) None
Q.26.
Hydropower is .... .... [D.P.M.T.2005]
0%
a) Inexhaustible and renewable source
100%
b) Inexhaustible and nonrenewable source
0%
c) Exhaustible and non renewable source
0%
d) Exhaustible and renewable source
Q.27.
A treeless biome is ..... ..... [M.P.P.M.T.2000]
0%
a) Tundra
0%
b) Grassland
100%
c) Desert
0%
d) All the above
Q.28.
Which is not a method of soil conservation .... .... [K.C.E.T. 2010]
0%
a) Strip cropping
0%
b) Overgrazing
100%
c) Crop rotation
0%
d) Mulching
Q.29.
Slash and burn agriculture is .... .... [A.F.M.C. 2012]
0%
a) Crop rotation
0%
b) Organic farming
100%
c) Jhum cultivation
0%
d) Step farming
Q.30.
Which part of the world has high density of organisms? .... ..... [Odisha 2007]
0%
a) Grasslands
100%
b) Savannahs
0%
c) Deciduous forest
0%
d) Tropical rain forests
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