Due to which element deficiency bark of tree becomes rough and gets split and exudes gum-like secretion ?
Zn
K
P
Cu
Additional Questions
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Donnan equillibrium is achieved at which surface ? |
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The approximate dimension of chlorophyll porphyrin ring is. |
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It is advantageous to use a water plant to demonstrate photosynthesis other than a land plant because. |
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Metabolism involves |
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Respirations is a |
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During the formation of ATP from ADP, which is released |
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Respiratory substrate is completely oxidised in |
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Which type of growth is seen in plants? |
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What is the main origin of cytokinin? |
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How many total teeth are present in human jaw ? |
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