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WorksheetsScience 5 - Seed Dispersal
Total questions: 15
Worksheet time: 15mins
What is seed dispersal?
The growth of a seed to form a seedling
The fusion between male and female parts
The transfer of pollen grains from the anther to the stigma
The scattering of seeds away from the parents plant
The purpose of seed dispersal is for the seeds to __________.
germinate at the same time
grow near to parents' plant
prevent overcrowding
compete with one another for minerals in the soil
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
My pod splits open and seeds are thrown far away from my mother plant. What is likely my dispersal method?
animal
explosion
water
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 small hairs
How do the papaya seeds get spread by birds?
Through their saliva
Birds carry the seeds using their claws
Through their dropping
Birds carry the seeds in their mouth
What are the characteristic of the seeds dispersed by 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
How are bur seeds dispersed?
By wind
By animal
By splitting
By water
This is shorea. What will happen if the shorea seed is heavy and big?
It cannot be carried and dispersed by the wind.
It cannot be eaten and dispersed by animals.
It loses the ability to explode.
It will sink into the sea.
What is the characteristics of a coconut?
Able to float on water.
Waterproof, having husks and air spaces.
Light, big and having husks.
Waterproof and having edible husks.
Which of the plant below has the same way of seed dispersal as the plant above?
Mango
Coconut
Dandelion
Pea plant
