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Which one of the following statements can best explain the term critical concentration of an essential element?
(a) Essential element concentration below which plant growth is retarded.
(b) Essential element concentration below which plant growth becomes enhanced.
(c) Essential element concentration below which plant remains in the vegetative phase.
(d) None of the above
Answers (1)
Ans. The answer is the option (a) essential element concentration below which plant growth becomes retarded.
Explanation: Critical concentration is the limited concentration of essential elements in a plant that is required for its proper growth and development. If the concentration falls below this level, growth will be stunted or retarded.
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