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WorksheetsGr 4 Revision
Total questions: 12
Worksheet time: 7mins
The leaves of these trees are (a) shaped so that snow slides off easily.
The waxy coating on the lotus leaves prevents water from soaking through, which
helps to keep the plant buoyant and protects it from waterlogging.
False
True
Plants in the mountains have waxy coated needle-like shaped leaves to
prevent insects from eating it
prevent damages from snow
to reduce water loss
Plants breath in carbon dioxide and take out oxygen.
TRUE
FALSE
Light is needed for Photosynthesis to occur. The plant’s leaves use the light to make a sugar called glucose.
TRUE
FALSE
During photosynthesis, leaves give out a gas called ____.
oxygen
carbon dioxide
nitrogen
We can use fungi to make food and medicine.
For example, yeast is used to make bread.
Penicillin is used to tret infections, is made from the Penicillium fungi.
True
False
_________ grow on tree trunks. They absorb food from the trees.
Bracket fungi
Cacti
Seaweed
What can you do to help save a park if it's being replaced by a shopping mall?
a) Do nothing
b) Ask local leaders for help and start a petition
c) Support the mall construction
Stay away from the area
What is the purpose of the waxy coating on some desert plants?
To provide shade for the plant
To make the plant more visible to predators
To prevent water loss and protect the plant
To attract insects for pollination
How do microorganisms spread, and are they contagious?
They spread through air, water, or contact and can be contagious
They spread by sunlight and are contagious
They don’t spread and are not contagious
