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A potted plant with variegated leaf, …

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A potted plant with variegated leaf, after being kept in dark room for three days was kept in sunlight for about six hours. A leaf as shown below in the figure was then plucked and starch test performed on it. (a) Why was the plant kept in dark room before the experiment? (b) What would you observe in parts P and Q of the leaf after starch test? (c) Give reasons to explain your observation in the two cases.

Posted by Arya 815X 3 years, 3 months ago

CBSE > Class 09 > Science

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Why is it advised to tie any luggage kept on the roof of a bus with a rope ?

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CBSE > Class 09 > Science