Multiple choice

Match the entries in Column I (Crop disease) and Column II (Causative agent) and select the correct answer.

 
Column I
Column II
P. Bacterial wilt of tomato 1. Peronospora parasitica
Q. Downy mildew of Crucifers 2. Ralstonia solanacearum
R. Citrus canker 3. Ustilago maydis
S. Common smut of corn 4. Xanthomonas axonopodis

  1. P - 1; Q - 2; R - 3; S - 4

  2. P - 2; Q - 1; R - 3; S - 4

  3. P - 2; Q - 1; R - 4; S - 3

  4. P - 3; Q - 1; R - 2; S - 4

  5. P - 3; Q - 2; R - 4; S - 1
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Correct answer. Bacterial wilt of tomato is caused by the bacterium Ralstonia solanacearum. Downy mildew of Crucifers is caused by Peronospora parasitica. Citrus canker is a disease affecting Citrus species caused by the bacterium Xanthomonas axonopodis. Common smut of corn is caused by Ustilago maydis.

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