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Subjects
Science State Board
Class 8
Conservation of plants and animals
The biodiversity of organisms and their conservation
21.
Endangered species, deforestation
Exercise condition:
6
m.
Analyse and choose the correct answer
:
1
.
Karakul lamb fur is a high prized material used by the rich people. It should not be used because
the species became extinct
it is not very expensive
none of the above
it causes endangerment of the species
2
.
Killing of snakes cause the increase in rats that had damaged the crops of the farmer. This is due to
increase in number of prey
all of the above
loss of ecological balance
decreased number of snakes as predators
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