Multiple choice

Little leaf disease is caused by the deficiency of ___________, which is a micronutrient.

  1. copper

  2. zinc

  3. boron

  4. iron
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Little leaf disease is a physiological disorder caused by zinc deficiency, where new leaves are extremely small and chlorotic. Zinc is essential for the synthesis of auxin (IAA), and its deficiency leads to stunted growth with characteristic small leaves. Copper, boron, and iron deficiencies cause different symptoms like wilting, corky lesions, or interveinal chlorosis respectively.

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