Revision of photosynthesis
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| In which cells does most photosynthesis happen? | Palisade cells
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| Which gas is made during photosynthesis? | Oxygen
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| What is the name of the vessel that transports water and minerals in a plant? | Xylem
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| What is the function of chlorophyll? | Absorb light energy
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| Through what structure do gases enter and leave a leaf? | Stoma (plural = stomata)
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| What is glucose stored as in a plant? | Starch?
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| Why do leaves have a large surface area? | To absorb as much light energy as possible
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| What structures contain chlorophyll? | Chloroplasts
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| Which cells do not contain chloroplast in a leaf? | Upper epidermis
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| Which cells contain the most chloroplasts in a leaf? | Palisade cells
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| What substance would you use to detect starch? | Iodine
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| What gas is used during photosynthesis? | Carbon dioxide
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| Whereabouts are most stomata found on a leaf? | The bottom
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| How could you measure the rate of photosynthesis? | Count the number of bubbles produced by pondweed or measure the volume of oxygen produced
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| What test could you carry out to prove that the gas released during photosynthesis is oxygen? | Collect the gas and place a glowing splint in it - it will relight in oxygen
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| Why is it necessary to heat a leaf in ethanol before testing it for starch? | To dissolve the chlorophyll so that you can see any colour change with iodine
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| What are leaves called that contain areas of no chlorophyll | variegated
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| What are the vessels called that transport sugars in a plant called? | Phloem
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| What is the name of the cells that open and close stomata? | Guard cells
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| What process occurs in plants when there is no light? | Respiration - this happens during the day as well, but the rate of photosynthesis is faster than the rate of respiration during the day
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Created by:
northern teacher
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