12051501
Description
Quiz by Jeffrey Piggott, updated more than 1 year ago
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Created by Jeffrey Piggott
about 6 years ago
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Question 1
Question
Where does photosynthesis occur in a rose bush?
Answer
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A In the leaves
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B In the roots
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C In the flowers
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D In the seeds
Question 2
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 3
Question
Which of these shows the correct word equation for photosynthesis?
Answer
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A glucose + carbon dioxide → water + oxygen (+ energy)
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B glucose (+ energy) → oxygen + glycerol
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C water + carbon dioxide → glucose + oxygen
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D chlorophyll + carbon dioxide → water + glycogen
Question 4
Question
Aerobic respiration is a process which:
Answer
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A stores chemical energy in food.
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B makes food for plants living under water.
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C does not happen in plants but only in humans when they exercise hard.
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D releases energy from food.
Question 5
Question
Leaves are often wide (broad) 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 6
Question
Gases get into and out of a leaf by:
Answer
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A diffusion
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B absorption
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C conduction
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D convection
Question 7
Question
Look at this list of substances: glucose, fat, cellulose, protein.
Which of these substances can plants make?
Answer
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A glucose and cellulose only
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B glucose, cellulose and fat only
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C glucose, cellulose and protein only
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D all of them
Question 8
Question
Plants need cellulose to:
Answer
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A store energy.
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B repair damaged cells.
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C make cell walls.
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D make cell surface membranes.
Question 9
Question
The picture shows a cell from a root. What is it called?
Answer
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A xylem cell
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B root cortex cell
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C root hair cell
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D root palisade cell
Question 10
Question
If plants do not get enough water they start to:
Answer
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A shrink.
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B grow towards the light.
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C grow bigger roots.
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D wilt.
Question 11
Question
One important type of mineral salt for plants is:
Answer
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A nitrate
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B sodium chloride
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C loam
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D clay
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 81% oxygen and 21% nitrogen.
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B 78% nitrogen and 21% oxygen.
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C 81% carbon dioxide and 21% oxygen.
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D 78% carbon dioxide and 21% oxygen
Question 14
Question
Look at these chemical processes. photosynthesis respiration burning fuels
Which of these processes add carbon dioxide to the air?
Answer
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A respiration and burning
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B respiration only
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C photosynthesis and respiration
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D burning only
Question 15
Question
Plants are important in keeping the atmosphere in balance because:
Answer
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A they use up oxygen.
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B they use up carbon dioxide.
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C they provide food for animals and humans.
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D they use water.
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
Where does photosynthesis occur in a rose bush?
Answer
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A In all the parts
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B In leaves and flowers only
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C In the leaves only.
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D In the stem only.
Question 18
Question
Plants often turn some of the food they make into another substance for storage. The name of this substance is:
Answer
-
A glucose.
-
B starch.
-
C fibre.
-
D pasta.
Question 19
Question
Leaves are often wide so that they can:
Answer
-
A absorb as much sunlight as possible.
-
B catch as much rain as possible.
-
C provide shelter for animals living under them.
-
D float to the ground when they drop in autumn.
Question 20
Question
Water is carried up a plant in xylem tubes. What else do xylem tubes carry?
Answer
-
A glucose
-
B fibre
-
C mineral salts
-
D pollen
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