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Quiz von Jeffrey Piggott, aktualisiert more than 1 year ago
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Erstellt von Jeffrey Piggott
vor mehr als 6 Jahre
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Frage 1
Frage
Where does photosynthesis occur in a rose bush?
Antworten
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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
Frage 2
Frage
Plants often turn some of the food they make into another substance for storage.
The name of this substance is:
Antworten
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A glucose
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B starch
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C fibre
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D pasta
Frage 3
Frage
Which of these shows the correct word equation for photosynthesis?
Antworten
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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
Frage 4
Frage
Aerobic respiration is a process which:
Antworten
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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.
Frage 5
Frage
Leaves are often wide (broad) so that they can:
Antworten
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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.
Frage 6
Frage
Gases get into and out of a leaf by:
Antworten
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A diffusion
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B absorption
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C conduction
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D convection
Frage 7
Frage
Look at this list of substances: glucose, fat, cellulose, protein.
Which of these substances can plants make?
Antworten
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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
Frage 8
Frage
Plants need cellulose to:
Antworten
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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.
Frage 9
Frage
The picture shows a cell from a root. What is it called?
Antworten
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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
Frage 10
Frage
If plants do not get enough water they start to:
Antworten
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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.
Frage 11
Frage
One important type of mineral salt for plants is:
Antworten
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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
Frage 12
Frage
Water is carried up a plant in xylem tubes. What else do xylem tubes carry?
Antworten
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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
Frage 13
Frage
The atmosphere is about:
Antworten
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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
Frage 14
Frage
Look at these chemical processes. photosynthesis respiration burning fuels
Which of these processes add carbon dioxide to the air?
Antworten
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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
Frage 15
Frage
Plants are important in keeping the atmosphere in balance because:
Antworten
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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.
Frage 16
Frage
Which of these would NOT be a disadvantage of cutting down forests?
Antworten
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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.
Frage 17
Frage
Where does photosynthesis occur in a rose bush?
Antworten
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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.
Frage 18
Frage
Plants often turn some of the food they make into another substance for storage. The name of this substance is:
Antworten
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A glucose.
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B starch.
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C fibre.
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D pasta.
Frage 19
Frage
Leaves are often wide so that they can:
Antworten
-
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.
Frage 20
Frage
Water is carried up a plant in xylem tubes. What else do xylem tubes carry?
Antworten
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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
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