assessment les

• Biologie
• Middelbare school
• havo, vwo
• Leerjaar 1

Have ready 

one device per group

textbook 

notebook 

Warming up...

lets fresh up your mind

root

stem

flower

leaf

fruit

Which function is carried out by every (part of the) root of every plant?

1. Anchoring the plant
2. Taking up water/minerals
3. Storing food reserves
4. All of them are carried out by all roots

Which of the following is not a function of leaves?

1. Perform photosynthesis
2. Let oxygen leave the plant
3. Let carbon dioxide enter the plant
4. Take in water & minerals

Photosynthesis

Sunlight

Carbondioxide

Glucose

Oxygen

Water

flowers

why are the petals of some flowers bright in colors or even with paterns

1. just to be pretty
2. to blend in better
3. to attract pollinators
4. all of the anwsers

How does pollination help pollinators survive?

1. They can get nutrients from pollen
2. They can get nutrients from nectar
3. They can get warmth from the flowers
4. All of the above

Cross pollination occurs in route...

1. 1
2. 2
3. 3
4. -

Insect and wind pollinated flowers

Insect-pollinated flower

Wind-pollinated flower

bright coloured petals

flowers are scented and contain nectar

pollen grains rough and sticky

small flowers

produce many pollen

stamen and stigma inside the flower

stigma are feathery and outside the flower

anther

filament

petal

sepal

stigma

style

ovary

nectary

What is the function of the calyx (sepals)?

1. attract insects
2. reproduction
3. protection against cold
4. producing nectar

What is the male sex organ of a plant? And the female sex organ?

1. female: carpel male: petal
2. female: petal male: sepal
3. female: stamen male: carpel
4. female: carpel male: stamen

flower stalk

sepal

ovary

stamen

petal

ovule

Which part becomes fruit pulp (edible part) after fertilisation

1. ovary
2. sepals
3. carpel
4. ovule

Any questions?

homework = worktime 

read and learn 6.1 and 6.2

finish up 1, 2,4, 5 7,8