Self Pollination & Cross Pollination

Pollination is the process by which the pollen grains are transferred from the ________ to the _________. 

• anther... ovary
• anther ... stigma
• stigma ... ovary 
• stigma ... filament

Tags

pollination

Wind-pollinated flowers usually have ______ and ________ petals. 

• big ... bright 
• small .... bright 
• big ... dull 
• small ... dull

Tags

pollination

I have long and feathery stigma that sticks out of the flower. How am I likely to be pollinated by?

• By wind 
• By insects 
• By water 
• By explosive action

The stalk connecting the ovaries and stigmas.

• filament
• pistil
• style
• anther

What happens after pollination?

• The ovule is fertilised

• A seed develops

• The ovary swells up

• A pollen tube grows

Which type of pollination leads to the greatest genetic variation?

• Self-pollination

• Cross-pollination

Wind pollinated flower characteristics usually include all EXCEPT...

• being small
• producing large amounts of pollen
• being large

Characteristics that promote cross-pollination include all EXCEPT ...

• the anther and stigma being different heights 
• having male only and female only flowers
• the anther and stigma being the same height
• having pollen and ovules mature at differnt times

What does an ovule become when it is pollinated?

• a seed
• a sprout
• a fruit
• it stays an ovule

What is an ovary?

• the female part of the flower that becomes a fruit
• the female part of the flower that accepts the pollen
• the male part of the flower that produces pollen
• another name for the stem of the plant