FORMATION OF POLLEN GRAIN TO MALE GAMETE

Mature pollen grain consists of pollen tube cell and generative cell.

• True

• False

Each pollen miscrospore mother cell (2n) divides through meiosis to produce 4 haploid cells called ------------

• Macrospores

• Microspores

• Megaspores

Identify the figure

• Carpel

• Stamen

• Pistil

• Calyx

Label the part A

• Pollen grain

• Tapetum

• Connective

• Stomium

Which part of flower pollen grain is produced?

• Pollen sac in anther

• Ovule in ovary

• Style

• Filament

What is the process involved to form a haploid microspore?

• Mitosis

• Meiosis

How many male gamete are formed in one pollen grain?

• 2

• 4

• 6

• 8

The process of transfer of pollen grains onto the stigma is known as .........................

• pollination

• hybernation

• germination

• fertilisation

Which nucleus responsibles in the formation of pollen tube from a pollen grain?

• Generative nucleus

• Pollen tube nucleus

• Polar nuclei

• Triploid nuclei

Does pollen grain and male gamete are the same?

• yes

• no