Short answer III — task. Science CBSE, Class 7.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Boojho took some grains of boiled rice in test tube ‘A’ and Paheli took boiled and chewed rice in test tube ‘B’. Both of them poured 1-2 drops of iodine solution into the test tube and observed the colour change. What colour change would they have observed? Give reasons for your answer.

(Choose all possible answers.)

Test tube "B" will not change into blue-black because of presence of digestive enzymes from salivary amylase.
Test tube "B" will change into blue-black becasue of presence of starch.
Test tube "A" will not change into blue-black because of presence of digestive enzymes from salivary amylase.
Test tube "A" will change into blue-black becasue of presence of starch.

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35. Short answer III

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