TREE PHYSIOLOGY
PHOTOSYNTHESIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The leaf’s upper layer is thin and transparent to allow light to pass through.
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The leaf’s palisade layer has the most chloroplast to absorb the maximum amount of light possible.
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The leaf’s lower layer has many stomata to allow gases to diffuse.
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All of the descriptions above are true.
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Detailed explanation-1: -Leaves are adapted for photosynthesis and gaseous exchange. They are adapted for photosynthesis by having a large surface area, and contain openings, called stomata to allow carbon dioxide into the leaf and oxygen out.
Detailed explanation-2: -Chloroplast contains a photosynthetic pigment called chlorophyll. The stomata are located on the backside of the leaves which helps regulate water loss from the leaves. leaves have a thin structure so that they can provide a short distance for carbon dioxide to diffuse into leaf cells.
Detailed explanation-3: -Photosynthesis primarily takes place in the specilised structures called chloroplasts that have chlorophyll present in them. It is the chlorophyll that absorbs light energy from the sun. The leaves contain majority of the chloroplast which absorbs sunlight for the process of photosynthesis to take place.
Detailed explanation-4: -Photosynthesis. Transpiration. Guttation. Storage. Defense. 19-Aug-2017