Q.1.
Estuaries occur in .... .... [A.M.U.2001]
Q.2.
Taungya is practice of .... .... [M.H.T.C.E.T 2010]
Q.3.
Greatest problem in water conservation is to reduce the amount of D.P.M.T. 2009
Q.4.
Non conventional source of energy is .... .... [C.P.M.T. 1995]
Q.5.
The driving force for an ecosystem is .... .... [C.P.M.T.1991]
Q.6.
Cloves are obtained from .... .... [B.H.U.2003]
Q.7.
Pyramid of numbers in a grassland/tree ecosystem is .... .... [M.P.P.M.T.1998]
Q.8.
In comparative study of grassland and pond ecosystems .... .... [K.C.E.T.2003]
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
Q.10.
Stratification is more common in .... .... [Har .P.M.T.1994]
Q.11.
Stratification is found in ..... ..... [D.P.M.T.2002]
Q.12.
Geothermal energy is .... .... [Pb P.M.T. 1998]
Q.13.
Of all the species of insects known, nearly 70-80% are found in .... .... [H.P.P.M.T.2001]
Q.14.
Chipko movement started .... .... [C.E.T.Chd 2003]
Q.15.
Ecosystem of a pond is .... .... [Pb.P.M.T.1999]
Q.16.
Chipko movement is connected with .... .... [C.P.M.T. 1998]
Q.17.
Which one has always an upright/steeper vertical gradient? .... .... [Har.P.M.T.2000]
Q.18.
Percentage of water present in oceans and seas is .... .... [Har .P.M.T. 1994]
Q.19.
Which one has evergreen vegetation and drought adapted animals? .... ..... [Har.P.M.T.2000]
Q.20.
Where there is no difference .... ..... [C.P.M.T.1991]
Q.21.
Terai forest is .... .... [Pb.P.M.T.2000]
Q.22.
Bulk fixation of carbon through photosynthesis takes place .... .... [C.B.S.E. 1994]
Q.23.
Weathering of rocks makes phosphorus available to first .... .... [A.M.U.2002]
Q.24.
Source of water which does not evolve CO2 is .... .... [R.P.M.T. 1995]
Q.25.
An ecosystem is not .... ..... [Odisha 2004]
Q.26.
Hydropower is .... .... [D.P.M.T.2005]
Q.27.
A treeless biome is ..... ..... [M.P.P.M.T.2000]
Q.28.
Which is not a method of soil conservation .... .... [K.C.E.T. 2010]
Q.29.
Slash and burn agriculture is .... .... [A.F.M.C. 2012]
Q.30.
Which part of the world has high density of organisms? .... ..... [Odisha 2007]