The succession initiated in pond of about 6 metres depth exhibits one of the following stages `:`

Cis-trans isomerism is exhibited by which one of the following ?

Which one of the following is called pond silk?

Which one of the following exhibit chirality?

Which one of the following exhibits enantiomerism?

In ecological succession, The climax is best recognised by the following stage

A man observe a fish at a depth of 6 cm from the surface of water in a pond. To hunt the fish, at what depth will he have to through the spear? Refractive index of water = (4)/(3) .

Which one of the following does not exhibit dispersion