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High School: 9th and 10th Grade
Biology
Photosynthesis
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Q.1
Farmers will use heated greenhouses for faster growth of crops. This increases photosynthesis by increasing the...
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pH
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light intensity
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temperature
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water
Q.2
Photosynthesis requires which type of energy?
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Heat
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Electrical
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Potential
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Light
Q.3
Photosynthesis takes place in which part of a plant cell?
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The nucleus
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The mitochondria
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The cell wall
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The chloroplasts
Q.4
Where does the water needed for photosynthesis usually come from in plants?
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Soil
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Rivers
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The sea
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The air
Q.5
Plants can convert sugars into protein using which mineral ion obtained from the soil?
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Sodium
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Magnesium
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Phosphate
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Nitrate
Q.6
Plants can convert the sugars made during photosynthesis into which insoluble stored form of energy?
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Protein
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Starch
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Fructose
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Cholesterol
Q.7
Which very important gas is given off as a by-product of photosynthesis?
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Carbon dioxide
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Hydrogen
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Ammonia
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Oxygen
Q.8
If the rate of photosynthesis is reduced, which of the following important processes is also reduced?
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Respiration
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Growth
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Reproduction
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Excretion
Q.9
Photosynthesis is a process in...
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plants and animals
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plants and fungi
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plants and algae
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bacteria
Q.10
Various factors can limit the rate of photosynthesis. Which of these variables can limit photosynthesis?
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Carbon dioxide concentration
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Oxygen concentration
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pH
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Time
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