Actual union of the male gamete with the female gamete is called ……………………..

When the pollen grains are transferred from an anther to the stigma of the same flower, it is called as ……………….

In…………………………….. pollen grains are transferred from an anther of one flower to the stigma of another flower.

The pollination with the help of…………… is called anemophily

When pollination takes place with the help of insects, it is called …………………...

The pollination with the help of water is called ……………….

During microsporogenesis spore mother cell undergoes meiotic division and gives rise to………….microspores.

The pollen grain is the first cell of …………….

……………….. is the first cell of female gametophyte.

In monosporic embryosac out of four megaspores only ………………..remains functional and forms embryo sac.

In bisporic embryosac………………megaspore nuclei take part in the development of embryo sac

In ……………….pollen tube enters through micropyle of the ovule

In ……………….pollen tube enters through chalaza of ovule.

In……………………….both the male gametes take part in the fertilization i.e. the fertilization takes place twice.