Class 10

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Q1.

Why are the small numbers of surviving tigers a cause of worry from the point of view of genetics?

(A)
It leads to an increase in the population size.
(B)
It reduces the genetic diversity and the potential for evolutionary adaptation.
(C)
It ensures that all tigers are healthy.
(D)
It has no impact on the survival of the species.
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Q2.

What factors could lead to the rise of a new species?

(A)
Natural selection
(B)
Genetic drift
(C)
Acquisition of traits during the lifetime of an individual
(D)
All of the above
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