Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary period for different groups of organisms, includes

In the case of peppered moth (Biston betularia) the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of

Organic compounds first evolved in earth required for origin of life were

Which one of the followings is incorrect about genetic drift?

Tendrils in plants are an example of

The idea of Natural selection as the fundamental process of evolutionary changes was reached

Which one of the following statements is correct?

When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:

Select the correct statement from the following:

Jurassic period of the Mesozoic era characterized by