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WorksheetsDISPERSAL OF SEEDS OR FRUITS
Total questions: 20
Worksheet time: 10mins
The purpose of seed dispersal is for the seeds to __________.
germinate at the same time
move to the same place and grow
move further away from the parent plant
compete with one another for minerals in the soil
How are dandelion seeds dispersed?
by animals
by explosion or bursting
by wind
How are coconuts dispersed?
by animals
by water
by wind
Why it is better for seeds to be scattered far and wide?
To provide shelter to other animals.
For farmers to see which soil is good for the plants.
For plants to have a better chance of growing healthier.
Why are shorea seeds able to be dispersed by the wind?
It is light and has wing-like structure
It has hooks to hook onto the fur of animals
It has a fibrous husk that makes it float
It has dry pods that split open
State a dispersal method for the fruit/seed below
By animals
By water
By wind
By explosive mechanism
What are the characteristics of fruits that are dispersed by animals?
Have latex and juicy
Edible and have hooks
Light and have the atrractive colour
Small and have the spiral shape
Choose the ideal characteristics of seed which is dispersed by wind
Attractive colour, explode when dry
Small, edible, waterproof
Light, float on water, have air space
Small, light, have wing-like structure
My pod splits open and seeds are thrown far away from my mother plant. What is likely my dispersal method?
By animal
By explosive mechanism
By water
By wind
Which of the seeds below has the same dispersal method as the seed/fruit in this picture?
Why are dandelion seeds able to disperse by wind?
Have small seeds and edible
Have air spaces and dry
Have hooks that attached with animals fur
Light and have fine hairs
What is the effect of explosive mechanism to this plant?
The seedlings will grow far from the okra plant
Causes the seedlings become crowded
Plants are not be able to mantain their species
The seeds are not growing
What are the characteristic of the seeds dispersed by human and animals?
A: Can float on water
B: Sweet and juicy
C: Have hooks or stiff hairs
D: Have wing-like structures and are light
A and B only
B and C only
C and D only
A, B and C only
Why it is better for seeds to be scattered far and wide?
To provide shelter to other animals.
For farmers to see which soil is good for the plants.
For plants to have a better chance of growing healthier.
What is 'Seed Dispersal'?
The growth of a seed to form a seedling
The scattering of seeds away from the baby plant
The transfer of pollen grains from the anther to the stigma
The scattering of seeds away from the mother plant
Which of the following seeds is dispersed by animals?
Rambutan
Shorea
Coconut
Beans
Which of the following is not why plants disperse their seeds and fruits?
More people can enjoy their fruits
The seedlings will get enough basic needs
To ensure the survival of their species
Seeds or fruits which are light and with air spaces are dispersed by..
Animals
Water
Wind
Explosive mechanism
Characteristics of fruit dispersed by water
Fine hairs
Tasty
Air spaces
Wings
Why durian have edible, bright-coloured fruits?
To provide food for humans and animals.
To attract humans and animals to eat the fruits and help to disperse the seeds.
To produce food as a by-product of photosynthesis.
To defend themselves from enemies with their sharp thorns.
