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1.Shallow lake with rich organic Products are called-
a.Heterotrophic
b.Eutrophic
c.Mesotrophic
d.Oligotrophic

2.In coming years skin related disorders will become more common due to-
a.Excessive rise of detergents
b.Water Pollution
c.Air Pollution
d.Depletion of ozone layer

3.Loss of forests, urbanization and increasing Pollution are all due to-
a.Greenhouse effect
b.Global Warming
c.Ozone depletion
d.Population explosion

4.What is the animal symbol of WWF (World Wildlife Fund)?
a.Dolphin
b.Kangaroo
c.Tiger
d.Giant panda

5.Plant genes of endangered species are stored in-
a.Gene Library
b.Gene Bank
c.Herbanum
d.None of the above

6.State bird of Rajasthan is-
a.Siberian Crane
b.Great Indian bustard
c.Flamingo
d.Hornbill

7.Soil erorion is more when
a.Rainfall is high
b.No rainfall
c.Low rainfall
d.None of the above

8.Ecology takes into account of
a.Environmental factors only
b.Effects of plants on environment
c.Plant adaptation
d.Relationship between of organism and their environment

9.Sun loving plants are
a.Halophytes
b.Scophytes
c.Heliophytes
d.Autotrophs

10.Which of the following is not a natural polymer?
a.Wool
b.Silk
c.Cotton
d.Teflon