In grafting, the rooted plant is used as a …………

The method of propagation by root cutting is practised in …………

Monothecous anther has ……………… pollen sacs.

In wall of mature anther, ……………… shows fibrous thickenings.

Intine consists of …………

The stalk of the ovule that attaches to placenta is ……………… which is attached at to the body of ovule.

……… is multicellular structure embedded in nucellus.

The transfer of pollen grains from the anther to the stigma is called …………

This condition is not favourable for autogamy in flowers.

From the following, mechanism of pollination by abiotic agent is …………