Question 1
Question
where is this cell is found in a flowering plant?
Answer
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In the male part of a flower.
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In the roots of the plant.
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On the surface of a leaf.
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In side a leaf.
Question 2
Question
Which TWO structures are found in plant cells but not in animal cells.
Answer
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Vacuole and cell membrane
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Chloroplasts and cell membrane
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Chloroplasts and cell wall
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Cell membrane and large vacuole.
Question 3
Question
Where does photosynthesis occur in a rose bush?
Answer
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A in all the parts
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B in parts R and S only
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C in part R only
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D in part Q only
Question 4
Question
Plants often turn some of the food they make into another substance for storage. The name of this substance is:
Answer
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A glucose.
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B starch.
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C fibre.
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D pasta.
Question 5
Question
Which of these shows the correct word equation for photosynthesis?
Answer
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glucose + carbon dioxide → water + oxygen (+ energy)
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glucose (+ energy) → oxygen + glycerol
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water + carbon dioxide → glucose + oxygen
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chlorophyll + carbon dioxide → water + glycogen
Question 6
Question
Leaves are often wide so that they can:
Answer
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A absorb as much sunlight as possible.
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B catch as much rain as possible.
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C provide shelter for animals living under them.
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D float to the ground when they drop in autumn.
Question 7
Question
Gases get into and out of a leaf by:
Answer
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diffusion.
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absorption.
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conduction.
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convection.
Question 8
Question
Look at this list of substances.
glucose, fat, cellulose, protein
Which of these substances can plants make?
Answer
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glucose and cellulose only
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glucose, cellulose and fat
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glucose, cellulose and protein
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all of them
Question 9
Question
Plants need cellulose to:
Question 10
Question
If plants do not get enough water they start to:
Question 11
Question
One important type of mineral salt for plants is:
Answer
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A sodium chloride
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B nitrates
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C clay
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D loam
Question 12
Question
Water is carried up a plant in xylem tubes. What else do xylem tubes carry?
Answer
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A glucose
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B fibre
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C mineral salts
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D pollen
Question 13
Question
The atmosphere is about:
Answer
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A 78% oxygen and 21% nitrogen.
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B 78% nitrogen and 21% oxygen.
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C 8% carbon dioxide and 21% oxygen.
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D 78% oxygen and 21% carbon dioxide.
Question 14
Question
Look at these chemical processes.
photosynthesis, respiration, burning fuels.
Which of these processes add carbon dioxide to the air?
Question 15
Question
Plants are important in keeping the atmosphere in balance because:
Question 16
Question
Which of these would not be a disadvantage of cutting down forests?
Answer
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A Logging companies could make more profits.
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B There would be fewer trees to keep the atmosphere in balance.
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C Some species might become extinct.
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D Floods might wash away the soil.
Question 17
Question
The roots have a number of functions.
Tick TWO functions of roots.
Answer
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Absorb carbon dioxide from the air.
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Absorb water and mineral salts from the soil.
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Absorb glucose from soil.
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Hold the plant in the soil.