P4 Science · Chapter 2brightbit.net/worksheets
Reproduction in Plants
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
What is pollination?
(a) The process by which seeds are scattered away from the parent plant(b) The transfer of pollen from the anther to the stigma(c) The fertilisation of an egg cell by a pollen grain(d) The germination of a seed into a new plant
- 2.
Which of the following is a method of seed dispersal by wind?
(a) Coconut(b) Balsam(c) Dandelion(d) Strawberry
- 3.
Flowers that are pollinated by insects usually have ___.
(a) Small dull petals and lots of pollen(b) Brightly coloured petals and nectar(c) Very light, smooth pollen(d) No petals at all
- 4.
The coconut is dispersed by water. Which feature helps it float?
(a) Its hard outer shell(b) Its fibrous, air-filled husk(c) Its sweet flesh inside(d) Its large size
- 5.
Which part of the flower develops into a fruit after fertilisation?
(a) Petal(b) Sepal(c) Ovary(d) Stamen
- 6.
The balsam plant disperses its seeds by explosion. What causes this?
(a) The seeds are eaten and expelled by animals(b) The seed pods dry out and split open suddenly(c) Wind shakes the pods until seeds fall(d) The seeds are sticky and attach to passing animals
- 7.
Why is seed dispersal important for plants?
(a) It helps plants produce more flowers(b) It prevents overcrowding and allows plants to colonise new areas(c) It protects seeds from being eaten by animals(d) It speeds up the germination of seeds
- 8.
Which of the following features would you expect in a wind-pollinated flower?
(a) Large, colourful petals(b) Sweet nectar(c) Large feathery stigma to catch pollen(d) Strong fragrance
- 9.
Name ONE agent (carrier) of seed dispersal and give an example of a plant whose seeds are dispersed by that agent.
Answer: ____________________________________
- 10.
A student notices that a flower has no petals and produces a lot of very light, powdery pollen. Is this flower likely pollinated by insects or by wind? Give ONE reason.
Answer key — P4 Science: Reproduction in Plants
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(b) The transfer of pollen from the anther to the stigma
- 2.(c) Dandelion
- 3.(b) Brightly coloured petals and nectar
- 4.(b) Its fibrous, air-filled husk
- 5.(c) Ovary
- 6.(b) The seed pods dry out and split open suddenly
- 7.(b) It prevents overcrowding and allows plants to colonise new areas
- 8.(c) Large feathery stigma to catch pollen
- 9.wind — dandelion
- 10.wind — it has no petals to attract insects and produces light pollen that can be carried by the wind
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