The diagram below shows a leaf of a growing plant partly covered with aluminium foil. The plant was placed in the sun from morning to midday...

      

The diagram below shows a leaf of a growing plant partly covered with aluminium foil.
The plant was placed in the sun from morning to midday and then tested for starch.

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(a) What was the aim of the experiment?

(b) State the observation made when the leaf was tested for starch.

  

Answers


Martin
a) To show that light is necessary for photosynthesis;

b) Only the uncovered areas turned blue- black with iodine; the part covered with aluminum foil did not receive light and thus could not carry out photosynthesis
marto answered the question on October 4, 2019 at 07:55


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