Question

Give reason why leaves appear to be green and rose petals red?​

Answer 1

Answer:

Objects appear a certain colour because only certain colour's of light are reflected of by them. Similarly a red rose reflect red light of its surface making it red. When a red rose is seen in green light, it absorbs the green light and the petals appear black as no light is reflected by the rose.

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Answer 2

Answer:

plants and their leaves look green because the “special pair” of chlorophyll molecules uses the red end of the visible light spectrum to power reactions inside each cell.

Flower colors of red, pink, blue and purple come mainly from the pigments called anthocyanins, which are in the class of chemicals called flavanoids (what gives plants their color).

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