What are germ pores?

Name the first cell of male gametophyte of angiosperms.

Cells in a microspore tetrad are haploid. Give reason.

What term is given to the group of compactly arranged cells in the centre of each microsporangium in a young anther?

Name the male and female reproductive organs of a flower.

The meiocyte of rice has 24 chromosomes. Write the number of chromosomes in its endosperm.

How many pollen grains and ovules are likely to be formed in the anther and the ovary of an angiosperm bearing 25 microspore mother cells and 25 megaspore mother cells, respectively.

How do flowers of Vallisneria get pollinated?

How many microsporangia are present in a typical anther of an angiosperm?

An anther with malfunctioning tapetum often fails to produce viable male gametophyte. Give any one reason. 

The phenomenon wherein the ovary develops into a fruit without fertilization is called:

In the embryos of a typical dicot and grass, true homologous structures are

From among the sets of terms given below, identify those that are associated with gynoecium.

Embryo sac is to ovule __________  is to an anther

Does ornithophily refer to the pollination by which of the following?

Choose the mismatched option

Which one of the following pairs of plant structures has a haploid number of chromosomes?

Endosperm is consumed by developing embryo in the seed of

Male gametes in angiosperms are formed by the division of

In some plants anthers and stigma grow and mature at the same time. This phenomenon is called

Milky water of tender coconut is

Devices for self-pollination are

Pick the odd one out

Which type of association is found in between entomophilous flower and pollinating agent?

Egg apparatus consists of