In plants chlorosis is caused by the deficiency of:
Correct answer: D. all of above
- A. chlorophyll
- B. magnesium
- C. nitrogen
- D. all of above
Explanation
Chlorosis is a condition of loss of the normal green coloration of leaves of plants due to insufficient chlorophyll for photosynthesis. Possible causes of chlorosis include poor drainage, damaged roots, compacted roots, high alkalinity, and nutrient deficiencies in the plant. The lack of iron is one of the more common nutrients associated with chlorosis. Manganese or zinc or magnesium deficiencies in the plant will also cause chlorosis. Deificient nitrogen or proteins may also cause chlorosis.
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About Digestion
The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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