Explanation:
Protandry - Male reproduction organ/anthers androecia/ stamens mature earlier than female reproduction organ/ carpels/ stigma/ pistil/ gynoecium in a flower. (ii) Self sterility - pollen grains are sterile to stigma of the same plants or same flowers.
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<span>Normal urine is usually pale yellow to amber in color, due to the presence of Urochrome!</span>
The primary function of the Calvin cycle is to change carbon dioxide into usable energy known as glucose. So Option A.
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