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6.Answer the following in 40 words: …

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6.Answer the following in 40 words: a. How can you test for the presence of starch in a leaf b. How are autotrophs different from heterotrophs c. Explain peristalsis with the help of a diagram

Posted by Kaavya Agarwal 7 years, 4 months ago

CBSE > Class 07 > Science

2 answers

Vishal Kumar 7 years, 4 months ago

b As. Autotrophs those organisms who made their own food. Example plants. Hetrotrophs those organisms who can't make their own food. Example Animals and Human

Vishal Kumar 7 years, 4 months ago

a As. We can test the presence of starch in leaves by using iodine solution. If blue black colour appears on it. It shows the presence of starch.

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