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1.
The first non-cellular form of life could have originated
2.
The idea that the life originates from pre-existing life is referred as
3.
'Darwin natural selection theory' could not explain
4.
First autotrophs on the primitive earth was/were
5.
Evolutionary history of an organism is known as
6.
According to the Darwin's theory of evolution, differences between the species occurs due to
7.
A change in the relative abundance of an allele (the allelic frquency) within a population, over a succession of generations is called
8.
Gradual accumulation of adaptation of changing environment leads to the origin of
9.
Which of the following statement is the most appropriate one in an evolutionary sense?
10.
Microbial experiments show that ...A... advantageous ...B... when selected will result in observation of new phenotypes. Over few generations, this would result in ...C... . Natural selection is a process in which ...D... variations enabling better survival are enabled to reproduce and leave greater number of progeny
Choose the correct option for A, B, C and D to complete the given NCERT statement
Choose the correct option for A, B, C and D to complete the given NCERT statement