# Flowers and seeds

> Grade 7: parts of a flower (petal, stamen, carpel), pollination by insects and wind, fertilisation, seed dispersal.

Source: https://olyclass.com/library/science-g7-plant-reproduction-en/

- Subject: Science
- Level: Grade 7
- Quiz: 16
- Play it free on one screen (projector, TV or whiteboard): https://olyclass.com/library?play=science-g7-plant-reproduction-en
- Copy and edit it: https://olyclass.com/library?copy=science-g7-plant-reproduction-en
- Games it plays well in: [Tug of War](https://olyclass.com/classroom-games/tug-of-war/), [Lucky Wheel](https://olyclass.com/classroom-games/lucky-wheel/), [Bowling](https://olyclass.com/classroom-games/bowling/), [Hoop Shot](https://olyclass.com/classroom-games/hoop-shot/)

## Questions

1. Which part of a flower is often brightly coloured to attract insects? (Anther / Petal / Root / Stem)
   Answer: Petal
2. Which part of a flower makes pollen? (Carpel / Petal / Sepal / Stamen)
   Answer: Stamen
3. Which part of a flower contains the ovules? (Anther / Filament / Ovary / Petal)
   Answer: Ovary
4. The stamen is the female part of a flower.
   Answer: False
5. What are the two main parts of a stamen?
   Answer: Anther and filament
6. What is pollination? (Growth of a root / Making food in leaves / Release of seeds from a fruit / Transfer of pollen to a stigma)
   Answer: Transfer of pollen to a stigma
7. Which feature is typical of a wind-pollinated flower? (Large bright petals / Small dull petals / Strong scent / Sweet nectar)
   Answer: Small dull petals
8. Wind-pollinated flowers usually make a lot of pollen.
   Answer: True
9. Why do insects visit flowers such as foxgloves? (To drink nectar / To drink water from roots / To eat the stem / To lay seeds)
   Answer: To drink nectar
10. In fertilisation, a male cell from pollen joins with which cell? (Egg cell / Leaf cell / Petal cell / Root cell)
   Answer: Egg cell
11. After fertilisation, what does the ovule become?
   Answer: A seed
12. Why do plants spread their seeds away from the parent plant? (To keep the seeds warm / To make the seeds heavier / To reduce competition for light and water / To stop pollination)
   Answer: To reduce competition for light and water
13. Sycamore seeds have wings. How are they dispersed? (By animals eating them / By explosion / By water / By wind)
   Answer: By wind
14. Burdock seeds have tiny hooks. How are they dispersed? (By bursting pods / By floating on water / By wind gliding / Stuck to animal fur)
   Answer: Stuck to animal fur
15. Coconuts can be dispersed by floating on water.
   Answer: True
16. Name the seed dispersal method used when a pod dries and suddenly bursts open.
   Answer: Explosion (explosive dispersal)