9.1.1 Development of pollen grain and formation of male gametes.

Name the the male reproductive organ.

• Anther

• Stamen

• Carpel

• Ovary

Inside the microsporangium, there is a diploid cell known as,

• megasporangium

• pollen sac

• microsporocyte

• generative cell

After meiosis, each microspore will undergo mitosis two produce two haploid cells. which cell is needed to create a pathway inside the pistil?

• Microsporocyte

• Generative cell

• Sperm cell

• Tube cell

After meiosis, each microspores will undergo mitosis two produce two haploid cells. Which cell is needed to divide again before fertilization?

• Microsporocyte

• Generative cell

• Sperm cell

• Tube cell

How many sperm cells is produce by a male plant?

• 1

• 2

• 3

• 4

Name the structure that allows production of pollen grain of a flower.

• Filament

• Style

• Anther

• Stamen

Give function of filament

• store microsporocyte

• supprt anther

• part of stamen

• part of flower

Tick all haploid cells available in anther

• tube nucleus

• microsporocyte

• generative nucleus

• sperm cell

Tags

NGSS.HS-LS3-2