Molecular basis of Inheritance — BIOLOGY STD 12 Science — Question

The idea of use and disuse of organs was given by

Current treatment for cancer does not include which of the following?

Down’s syndrome in humans is due to

If a population of 50 Paramoecium present in a pool increases to 150 after an hour, what would be the growth rate of population?

Assertion : Insects visit flower to gather honey.
Reason : Attraction of flowers prevents the insects from damaging other parts of the plant.

The asexual process replaced by the sexual method is known as:

In the biological treatment of sewage the masses of bacteria held together by fungal filament to form mesh like structures called as

Generally archesporium in an ovule is

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