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Chlorophyll appears green because it
A. Reflects green light
B. Transmits green light
C. Absorbs green light
D. Transforms green light

Last updated date: 09th Apr 2024
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MVSAT 2024
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Hint: Chlorophyll is a photosynthetic pigment present in green plants which regulate the function of photosynthesis. A process carried out by plants and few organisms that makes use of carbon dioxide, sunlight, and water to prepare food is called photosynthesis. The process of photosynthesis is carried out by autotrophs which prepare their own food and do not feed on another microorganism.

Complete answer:
The process of photosynthesis involves the conversion of light energy into chemical energy that can be later used as a fuel to carry out organism activities. The product of photosynthesis is a six-carbon glucose sugar that is used to provide two important resources to organisms such as energy and fixation of carbon.

The process of photosynthesis takes place in a special cell organelle called chloroplast. Since this organelle has its own genetic material DNA and hence can synthesize its own proteins. The upper epidermis of the leaves and the palisade mesophyll together form the dermal tissue of the leaf. The guard cells present in the lower epidermis of the leaf regulate the function of opening and closing of the stomata which is present in the lower epidermis.

Photosynthetic pigment known as chlorophyll is present in the palisade parenchyma and mesophyll cells of the lower epidermis. The green color of the plant is due to the presence of chlorophyll as it does not absorb but reflects green color light. Chlorophyll absorbs light in the blue and red regions of the visible spectrum. Therefore, chlorophyll appears green because it reflects green light.

So, option A is the correct option.

Note: The photosynthetic pigments not only provide color to the organisms but also play an important role in trapping the sunlight. The various important pigments involved in the process of photosynthesis are chlorophyll, carotenoids, and phycobilin.