Question

Onion cells have no chloroplast. How can we tell they are plants.​

Answer 1

Answer:

Using an iodine solution, we can test for the presence of starch in onion cells. If starch is present, the iodine changes from brown to blue-black or purple. Hence, we can say that though onion cells have no chloroplast they are considered as plants.

Explanation:

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Answer 2

Answer:

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