According to Darwin, the organic evolution is due to
According to Darwin, the organic evolution is due to
- [NEET 2013]
- A
competition within closely related species
- B
reduced feeding efficiency in one species due to the presence of interfering species
- C
intraspecific competition
- D
interspecific competition.
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A scientist kept 72 generations of Drosophila in darkness. Even after that the first flies had normal eyes. This disapproves the theory of
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In the case of peppered moth (Biston betularia) the blackcoloured form became dominant over the lightcoloured form in England during industrial revolution. This is an example of
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- [AIPMT 2009]
Fossil contents of the alimentary canal are termed as
Match the names of branches of biology listed under column $I$ with the field of study given under column $II$; choose the answer which gives the correct combiantion of the alphabets of the two columns
Column $I $ Column $ II$
(Branch of biology) (Field ofstudy)
$A$ Palynology $p$ Silkworms
$B$ Oncology $q$ Pollens
$C$ Phycology $r$ Cancer
$D$ Sericulture $s$ Algae
Match the names of branches of biology listed under column $I$ with the field of study given under column $II$; choose the answer which gives the correct combiantion of the alphabets of the two columns
Column $I $ Column $ II$
(Branch of biology) (Field ofstudy)
$A$ Palynology $p$ Silkworms
$B$ Oncology $q$ Pollens
$C$ Phycology $r$ Cancer
$D$ Sericulture $s$ Algae