Q.1) Rewrite the following statements by selecting the correct options: (2)
1) A solution of A12 (S04)3 in water is
a) blue
2) Around the world
b) pink c)green
most sensitive biodiversity spots have been
d) colourless
indentified
a) 25 b) 34 c) 44 d) 49
B) Write true or false. (1) 1) The obstruction of the flow of river water may have adverse effect on living
world in the river.
Q.2) Answer the following questions:
1) Write the factors affecting environment?
2) Reason: It is absolutely necessary to control the fission reactions in nuclear
power plants
3)
6)
?
Baso4+ 4c Bas+4 co
?
What type of reaction is it? Justify.
Q.3) Answer the following questions. (6) 1) Correct the wrong diagram & draw the correct diagram explain in detail.
Chemical energy
in naturalgas
Kinetic energy Kinetic energy generated
in turbine due to combustion of
Natural gas
Electrical energy
2) Write the types and examples of biodiversity?
3) Complete the reaction & identify type of reaction.
i) Caco3
i) 2 CaHs OH +2Na
Q.2) A) Draw the concept map on nuclear power plant & explain in detail. (5)
OR
B) Write notes on 1) Sacred groves
2) Hots spots of Biodiversity
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