MEDIUM
Lower Secondary Stage 9
IMPORTANT
Earn 100
Why do plants need to disperse their seeds?
Important Questions on Sexual Reproduction in Flowering Plants
HARD
Lower Secondary Stage 9
IMPORTANT
Look at figure 2.16. A student planted a hundred of cress seeds in a small tray. The seeds have produce seedlings, but they have taken longer to reach this height compared to seedlings in a similar tray where the student planted just ten seeds. Suggest two reasons for this.
EASY
Lower Secondary Stage 9
IMPORTANT
Explain how dandelion seed are adapted for dispersal.
HARD
Lower Secondary Stage 9
IMPORTANT
Suggest the seed dispersal method for each of the seed shown in figure 2.23. For each give the method of dispersal and explain why you think is a successful method.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Explain how coconut trees disperse their seeds.
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Why is it good for a plant if birds eat its fruits?
MEDIUM
Lower Secondary Stage 9
IMPORTANT
What conditions are needed for a plant seed to germinate?
MEDIUM
Lower Secondary Stage 9
IMPORTANT
Describe what happens after a seed has germinated.
HARD
Lower Secondary Stage 9
IMPORTANT
Using the given figure, give the main life cycle stages of a sexually reproducing plant.
