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11. Analyzing the concept of stem, root, leaf, and flower

Choose the correct answer from the options given below:

The leaves use carbon dioxide, water, and nitrogen to produce food in the form of sugar (glucose).
Leaves are green due to the presence of chlorophyll which is a green pigment that aids in the preparation of food
Ovary, style, and filament are the parts of the pistil
In all the flowers the sepals are joint
Xanthophyll is the green pigment that aids in the preparation of food

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