P3 Science · Chapter 12brightbit.net/worksheets
Life Cycles of Plants
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
What is the first stage in the life cycle of a flowering plant?
(a) Seed(b) Seedling(c) Flower(d) Fruit
- 2.
What is germination?
(a) The process by which a seed starts to grow into a seedling(b) The transfer of pollen to a flower(c) The formation of seeds inside a fruit(d) The falling of leaves in autumn
- 3.
Which THREE conditions are needed for a seed to germinate?
(a) Water, warmth and air (oxygen)(b) Sunlight, water and soil(c) Fertiliser, water and warmth(d) Sunlight, warmth and animals
- 4.
A seedling has just emerged from the soil. At this stage, where does it get its energy from?
(a) Food stored in the seed (cotyledons)(b) Photosynthesis in its tiny leaves(c) The soil(d) Sunlight directly
- 5.
What is the correct order of a flowering plant's life cycle?
(a) Seed → seedling → mature plant → flower → fruit → seed(b) Flower → seed → seedling → fruit → mature plant(c) Seedling → seed → flower → mature plant → fruit(d) Fruit → flower → seed → seedling → mature plant
- 6.
After fertilisation, which part of the flower develops into a seed?
(a) The ovule(b) The petal(c) The stamen(d) The sepal
- 7.
Why is it important for seeds to be dispersed away from the parent plant?
(a) To reduce competition for sunlight, water and nutrients(b) To make the parent plant grow faster(c) So that seeds can be eaten by animals(d) To help the parent plant produce more flowers
- 8.
A plant produces fruits with small hooks. How are its seeds most likely dispersed?
(a) By animals (the hooks catch on fur or clothing)(b) By wind(c) By water(d) By explosion
- 9.
Name ONE condition needed for seed germination.
Answer: ____________________________________
- 10.
The life cycle of a plant is described as a 'cycle'. Why?
(a) Because it repeats — new seeds grow into plants that produce more seeds(b) Because the plant grows in a circular pattern(c) Because seasons repeat every year(d) Because the plant comes back to life after winter
Answer key — P3 Science: Life Cycles of Plants
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(a) Seed
- 2.(a) The process by which a seed starts to grow into a seedling
- 3.(a) Water, warmth and air (oxygen)
- 4.(a) Food stored in the seed (cotyledons)
- 5.(a) Seed → seedling → mature plant → flower → fruit → seed
- 6.(a) The ovule
- 7.(a) To reduce competition for sunlight, water and nutrients
- 8.(a) By animals (the hooks catch on fur or clothing)
- 9.Water
- 10.(a) Because it repeats — new seeds grow into plants that produce more seeds
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