Sexual Reproduction in Flowering Plants

Flashcards about sexual reproduction in flowering plants.

A __ is the reproductive organ in flowering plants.

flower

The male part of a flower is the __.

stamen

The female part of a flower is the __.

carpel

__ are the male gametes found in the anther.

Pollen grains

__ receive pollen and produce nutritive materials to help them germinate.

Stigmas

__ are the female gametes contained in the ovary.

Ovules

__ is the transfer of pollen grains from the anther to the stigma.

Pollination

__ pollination is the transfer of pollen grains to the stigma of another flower of the same species.

Cross

__ pollination is the transfer of pollen grains to the stigma on the same plant or another flower on the same plant.

Self

__ is the fusion of the haploid nucleus of the male gamete with the haploid nucleus of the female gamete to form a diploid zygote.

Fertilization

The fertilized ovule becomes a __ .

seed

The ovary becomes a __ .

fruit

__ is the development of a seed into a new young plant.

Germination

__ seeds don’t experience ideal conditions with very low water content, embryo and food store is surrounded by an impermeable seed coat

Dormant

What is the function of the flower in flowering plants?

The flower serves as the reproductive organ.

What is produced in the anther of the stamen?

Pollen grains, which are the male gametes.

Where are ovules located in a flower?

Ovules are located in the ovary, which is part of the carpel.

What occurs during fertilization in flowering plants?

The haploid nucleus of the male gamete fuses with the haploid nucleus of the female gamete to form a diploid zygote.

What does the ovary develop into after fertilization?

The ovary develops into fruit.

What role do stigmas play in pollination?

Stigmas receive pollen and produce nutritive materials to help them germinate.

What is the significance of germination?

Germination is the process where a seed develops into a new young plant.