Sexual Reproduction In Plants (biology) Flashcards Preview

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Flashcards in Sexual Reproduction In Plants (biology) Deck (16):
1

Male reproductive part

Stamen

2

Female reproductive part

Carpel

3

Parts in the male reproductive part

Anther
Filament

4

Anther

Contains pollen grains

5

Where are the male gametes produced?

In pollen grains

6

Filament

Stalk that supports the anther

7

What does the female reproductive part consist of?

Stigma
Style
Ovary

8

Stigma

The end bit that the pollen grains attach to

9

Style

The rod like section that supports the stigma

10

Ovary

Contains the female gametes inside ovules

11

Pollination

The transfer of pollen from an anther to a stigma, so that the male gametes can fertilise the female gametes in sexual reproduction

12

Cross-pollination

A type of sexual reproduction where pollen is transferred from the anther of one plant to the stigma of another

13

How are plants adapted for insect pollination?

Brightly coloured petals
Scented flowers and nectaries
Big, sticky pollen grains
Sticky stigma

14

How are plants adapted for wind pollination?

Small, dull petals
No nectaries or strong scents
Lots of pollen grains (they are small and light)
Long filaments that hang outside the flower
Light and feathery stigma

15

Where does the pollen grain land during fertilisation?

On the stigma of the flower

16

How does fertilisation occur?

-pollen grain lands on the stigma
-pollen tube grows out of the pollen grain
-it enters the ovule through the microphyle
-nucleus from male gamete fuses with female nucleus to make a zygote