Parts of the Flowers

Which is the male part of a flower?

• stamen

• petal

• pistil

• sepal

Which part of a flower protects it during the bud stage?

• stamen

• petal

• pistil

• sepal

What is the sticky surface on the top of the style which catches the pollen grains?

• anther

• ovary

• filament

• stigma

What is the process of transferring pollen grains to the stigma of a flower?

• fertilization

• germination

• pollination

• propagation

The base of a wilted flower is enlarged. What does it indicate?

• the flower is matured

• The flower has become a fruit.

• A seed is developing in the ovary

• New ovules are developing in the ovary.

Which of the following happens next when a pollen grain drops on the stigma?

• An ovule develops into a seed.

• The ovary develops into a fruit.

• The flower immediately starts to wilt

• A pollen tube grows downward to the ovary.

How does self-pollination take place?

• when the pollen from the stamen of a flower transfers to the pistil of the same flower

• when the pollen from the stamen of a flower in a plant transfer to the pistil of a flower in another plant of the same kind

• when the ovule inside the ovary of a flower becomes a seed and the ovary becomes enlarged

• when the mature pollen grain drops on the stigma of a flower and develops a pollen tube

What is the reproductive part of a plant?

• flower

• stem

• leaves

• roots

Which of the following plants is grown from a bulb?

• ginger

• potato

• onion

• carrot

When does fertilization occur?

• When the pollen grain swells.

• .When the pollen tube grown longer.

• When the pollen grain falls on the stigma.

• When the sperm in the pollen unites with the egg cell in the ovule.