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Question
On completion of the experiment to demonstrate that ‘Light is necessary for photosynthesis’, four students reported the inference as follows. Identify the correct inference:
(1) Part of the leaf covered with strip can only undergo photosynthesis.
(2) Uncovered part of the leaf cannot synthesise starch
(3) Photosynthesis takes place only in the presence of sunlight
(4) Light is necessary for the synthesis of starch in green plants.
(1) Part of the leaf covered with strip can only undergo photosynthesis.
(2) Uncovered part of the leaf cannot synthesise starch
(3) Photosynthesis takes place only in the presence of sunlight
(4) Light is necessary for the synthesis of starch in green plants.
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Solution
The correct inference for the above experiment is light is necessary for the synthesis of starch in green plants. Green plants cannot synthesise starch in the absence of light. Important requirement for photosynthesis to occur in plants is chlorophyll, sunlight and water.
Hence, the correct answer is option 4.
Hence, the correct answer is option 4.
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