KS3 REPRODUCTION - L2 - fertilisation and germination

What do seeds need for germination?

• water, oxygen and carbon dioxide

• water, oxygen and warmth

• light, oxygen and soil

• light, warmth and oxygen

What is germination?

• When an ovum is produced

• The time that a fetus is growing in the uterus

• When semen is pushed out of the penis

• When a seed starts to grow

What do seeds need to germinate (grow into a new plant)? (You may select more than one answer)

• Air (oxygen)

• Warmth

• Water

• Light

• Food

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Pollination is the process of transferring pollen from the anther of one flower to the ______________ of another flower.

• filament

• style

• stigma

• ovary

• ovule

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

• style

• stalk

• stigma

• stem

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

How does the pollen tube grow through the style?

• It releases acids

• It releases digestive enzymes

• The eats through it

Which of the following needs to be fertilized before it can become a seed?

• A

• B

• C

• D

Study the diagram carefully.State the reproductive process that is happening.

• germination

• pollination

• fertilisation

• seed dispersal

How is this flower pollinated? What are the characteristics that help you to identify it?

• Has many anthers.

• Has long anthers that hang outside the flower.

• Has feathery stigma.

• Has pollen grains.