WAEC Agricultural Science 2022 Objective — Question 31
Question 31 of 50 from the West African Examinations Council (WAEC) Agricultural Science 2022 Objective paper, with the correct answer and a full explanation.
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Which of the following crops is correctly matched with a disease that affects it?
- A. Maize – smutCorrect
- B. Sorghum – scab
- C. Rice – black arm
- D. Yam – blast
Explanation
Common smut is a well-known maize disease, caused by the fungus Ustilago maydis, which can remain viable in the soil for several years.
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