Biodiversity and Conservation — BIOLOGY STD 12 Science — Question

Control of gene expression takes place at the level of :

An interesting modification of flower shape for insect pollination occurs in some orchids in which a male insect mistakes the pattern on the orchid flower for the female of his species and tries to copulate with it, thereby pollinating the flower. This phenomenon is called

World's most problematic aquatic wed is :

Which one among the following is known as universal diversity?

All the following are uses of amniocentesis, but one is misuse. Which one is misuse?

For two statements are given-one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.

Reverse transcriptase is:

At which temperature a DNA molecule is denatured by heat in PCR:

Figs belong to:

Starting from the innermost part, the correct sequence of parts in an ovule are: