Science 5 · Unit 1: Life cycles of flowering plants · Cambridge Primary Science Stage 5

Questions

1. 1. What important job do all flowers do?

   • They help the plant reproduce.
   • They absorb water.
   • They hold the plant up.
   • They make food from sunlight.
   Check

2. 2. Which of these is a non-flowering plant?

   • a sunflower
   • a rose
   • a bean plant
   • a fern
   Check

3. 3. What do ferns and mosses make instead of seeds?

   • spores
   • pollen
   • cones
   • fruits
   Check

4. 4. Where do pine trees form their seeds?

   • in cones
   • in flowers
   • in fruits
   • in spores
   Check

5. 5. What is a life cycle?

   • all the changes in a living thing that happen over and over again
   • the colour of a flower
   • a bicycle for plants
   • how tall a plant grows
   Check

6. 6. Why do we draw life cycles in a circle?

   • Plants are round.
   • The stages happen over and over again.
   • Circles are easier to draw.
   • To save space.
   Check

7. 7. Which is the right order for a bean plant's life cycle?

   • flower, seed, bean pod, seedling, adult plant
   • seed, seedling, adult plant, flower, bean pod
   • seedling, seed, flower, adult plant, bean pod
   • bean pod, flower, seedling, seed, adult plant
   Check

8. 8. Which part of a flower makes pollen?

   • the sepal
   • the stigma
   • the anther
   • the ovary
   Check

9. 9. What is the function of the stigma?

   • It is sticky to catch pollen.
   • It contains the eggs.
   • It protects the bud.
   • It makes pollen.
   Check

10. 10. What does the ovary contain?

    • tiny eggs
    • nectar
    • pollen
    • spores
    Check

11. 11. What are sepals for?

    • attracting insects
    • protecting the flower bud
    • making pollen
    • catching pollen
    Check

12. 12. Why are petals often brightly coloured?

    • to catch rain
    • to make pollen
    • to protect the seeds
    • to attract insects to the flower
    Check

13. 13. What is the male part of a flower called?

    • the sepal
    • the carpel
    • the petal
    • the stamen
    Check

14. 14. What is the female part of a flower called?

    • the anther
    • the filament
    • the carpel
    • the stamen
    Check

15. 15. What is the filament?

    • the stalk of the anther
    • the sticky top of the carpel
    • a green leaf under the petals
    • the part with the eggs
    Check

16. 16. Why don't we usually find flowers and fruits on a peach tree at the same time?

    • Insects eat the flowers.
    • Fruit grows before flowers.
    • Peach trees have no flowers.
    • The fruit forms after the flowers die.
    Check