
Grade 12th pass6 grade science
7. If any food item gives blue-black colour with iodine then which nutrient is present in the food?
7. If any food item gives blue-black colour with iodine then which nutrient is present in the food?

The function of nodulated roots is
A. To store food
B. To provide extra strength
C. To perform photosynthesis
D. To give shelter to bacteria
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