Bs 1: Flowers

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

Bs 1: Flowers

What are we going to do today

• Instruction Bs 1: Flowers
• Make exercises 

Learning goals

...You can name the parts of a flower with their features and functions

Why do you think flowers are important?

Function of flowers

In flowers are the reproduction organs of the plant. 

They make sure the plant can reproduce. 

And that's how new plants grow.  

Onderdelen van de bloem

• Calyx: consist of sepals.

 Protects the flower.

• Corolla: consist of petals. 

Attract insects that pollinate the plant. 
Not every plant has colorful corolla 

root

stem

flower

leaf

fruit

This flower has .... stamens

1. 1
2. 5
3. 8
4. 4

Which part of the flower protects the flower when its inside the bud?

1. stamen
2. sepals
3. petals
4. carpel

poppies

grass flowers

wind pollinated flower

insect pollinated flower

Structure of flower

Even though there are many different flowers, most of them have the same parts.

• Stamen: male reproductive organ
• Pollen: male sex cells

• Carpel: female reproductive organ

(stigma, style, ovary)

• egg cell: female sex cell

There are 15 pollen that land on te stigma of the carpel (in the picture). How many seeds can this flower produce?

1. 1
2. 15
3. 20
4. 6

What's the name of part 9

1. Petal
2. Sepal
3. Carpel
4. Ovary

A carpel consists out of different parts, which of these is NOT one of them?

1. Ovary
2. Stem
3. Style
4. Stigma

The flower in the picture has ... carpel(s)

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

Which part of the flower are the female reproductive parts?

1. stamen
2. sepals
3. petals
4. carpel

Is this an insect-pollinated flower or a wind-pollinated flower?

1. wind-pollinated flower
2. insect-pollinated flower
3. Both

Get to work (15 min)

• Read bs 1 of unit 6 
• Make exercises 1,2,3,5,6