Pollination and Fertilisation

Which of the following images shows an example of an agent of pollination?

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Pollination is the transfer of mature pollen grains ____________________ of a flower

• from stigma to anther

• from anther to stigma

• from filament to style

• from style to filament

-Long filament with big anthers

-Long style and feathery stigma

-Produce large quantities of light pollen grains

-Produce many small flowers

Based on the above characteristics of plants. Identify the plant's pollination agent.

• Insect

• Water

• Animal

• Wind

-Do not have nectar

-Have large amount of pollen grain

-Floating pollen grains

Identify the correct pollination agents for the plant with above characteristics

• Wind

• Insect

• Animal

• Water

When pollen grains land on the stigma, each pollen grain produces _________________

• sugary fluid

• pollen tube

• micropyle

• style

Pollen tube carrying two male gametes grow down through the style and into _______________________

• ovule in the ovary

• ovary of the flower

• ovule in the petal

• ovule in the sepal

What is fertilisation?

• The process of transferring the pollen from one flower to another

• The fusion of the male and female gamete

• The growth of an embryo

After a pollen grain has reached the stigma, it travels through the __________ to reach the ovary.

• style

• stalk

• stigma

• stem

After fertilisation the ovule develops into

• seeds

• fruit

• pollen

• stigma

I have large petals and are usually brightly colored. How am I pollinated?

• By animals
• By birds 
• By insects 
• All of the above

Tags

NGSS.MS-LS1-4