Some plants have very hard and tough seed coat which prevent the expansion of the embryo. Such seed coats are called:

The movement of fungal hyphae towards the nutrients is an example for:

IAA was first isolated from:

Seedless fruits can be obtained with the help of which hormone?

The low temperature treatment of seeds for inducing early flowering is called:

Gibberellic acid has been successfully employed to induce flowering in:

Synthetic Auxins are used for:

The paratonic movement of locomotion in response to chemical stimulus is called:

The term vitamin was introduced by:

In the absence of light, growth is decreased in certain plants. This phenomenon is called: