What causes chlorosis, characterized by a yellowing of the leaves?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Biology Mcqsbiology-mcqs
Published
23 May 2018
Last updated
28 May 2026

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Explanation

Chlorosis, which manifests as yellow leaves, can result from multiple causes including the accumulation of toxic waste products, a deficiency in chlorophyll, and a shortage of vital mineral nutrients in the soil. Therefore, all these factors contribute to the condition.

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