The gas released by photosynthesis is
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12 questions
Light is absorbed by
Salam Academy Original Practice · Proposed mark scheme
Plants are "destarched" before experiments by
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In , what number goes in front of ?
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In the starch test on a leaf, the leaf is warmed in ethanol to
Salam Academy Original Practice · Proposed mark scheme
A variegated leaf is tested with iodine. Only the green parts turn blue-black. This shows
Salam Academy Original Practice · Proposed mark scheme
On a graph of rate against light intensity, the curve levels off. Light is now
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Glucose is stored in plants as
Salam Academy Original Practice · Proposed mark scheme
Plants need nitrate ions to make glucose into
Salam Academy Original Practice · Proposed mark scheme
A lamp is moved from 30 cm to 15 cm from a plant. By what factor does the light intensity increase?
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Pondweed releases bubbles in minutes. Calculate the rate in bubbles per minute.
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On a warm, bright summer day, the factor most likely to limit photosynthesis in a field is
Salam Academy Original Practice · Proposed mark scheme