What causes 'Blackheart' in potato?
A. Copper deficiency
B. Boron deficiency
C. Oxygen deficiency
D. Potassium deficiency
Answer: Option C
This Question Belongs to Biology GK Chapter Wise >> Economic Biology
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B. Eucalyptus
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A. a-2, b-1, c-4, d-3
B. a-1, b-4, c-3, d-2
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