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Worksheetsplant products year 8
Total questions: 28
Worksheet time: 16mins
What two products does a plant make during photosynthesis?
water & glucose
glucose & oxygen
glucose & water
oxygen & water
What are the small holes on the underside of a plant leaf called?
pores
stomata
holes
vents
What colour is chlorophyll
blue
red
orange
green
Name the liquid we use to show that a leaf contains starch.
chlorine solution
iodine solution
ethanol
copper sulphate
How does a plant get water for photosynthesis
Soaks into the leaves from rain fall
Absorbed from the soil by roots and root hairs
Diffuses into the leaves through the stomata
Absorbed from the soil by roots
How can minerals be returned to the soil naturally.
Farmers add fertilisers to the soil.
Decay of old leaves by bacteria
Exit: Carbon dioxide
Exit: Glucose
Exit: Oxygen
Exit: Water vapor
Which of the following is the correct equation for PHOTOSYNTHESIS?
light + carbon dioxide + water --> glucose + oxygen
carbon dioxide + sugar + water --> oxygen + light
oxygen + light + water --> carbon dioxide + sugar
carbon dioxide + oxygen + water --> Light+ Sugar
Why do leaves need a large surface area?
To absorb as much water as possible.
To absorb as much sunlight as possible.
To absorb as much food as possible.
To absorb as much chlorophyll as possible.
What part of a plant is adapted for photosynthesis?
Flowers
Roots
Stem
Leaves
Select the two reactants of photosynthesis
Carbon Dioxide
Oxygen
Water
Glucose
Chlorophyll
What are the two products of photosynthesis?
Glucose
Oxygen
Carbon Dioxide
Water
Light
What part of the plant absorbs water from the soil?
Roots
Leaves
Stem
Flowers
How is water transported from the roots to the leaves?
Up the xylem
Up the phloem
Through the stomata
What is the energy source for photosynthesis?
Light
Heat
Water
Electricity
Photosynthesis allows a plant to make its own (a) .
What are the stomata?
A type of flower
Tiny holes on the bottom of a leaf.
A type of leaf.
Another word for roots.
How does carbon dioxide get into the leaf?
Through the veins
Through the roots
Up the phloem
Up the xylem
Through the stomata
What is the test that we can do to check whether photosynthesis has happened?
The starch test
The sugar test
The protein test
The lipids test
What does a positive result in the starch test look like?
The leaf turns black-blue
The leaf turns white
The leaf stays green
The leaf turns yellow-brown
What chemical do we drop onto a leaf to test for starch?
Iodine
Ethanol
Hydrochloric Acid
pH indicator
