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Q.No.1

Darwin's "Natural selection" is also called

Q.No.2

A sudden chromosomal change by which very new characters are seen organisms is

Q.No.3

Who gave the theory of natural selection?

Q.No.4

Wings of bat and birds are

Q.No.5

Sudden change is

Q.No.6

Vestigial organs are

Q.No.7

Xylem and phloem belong to the group of

Q.No.8

Meristematic cells are

Q.No.9

Meristems help in

Q.No.10

Leaves grow due to


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