Multiple choice

Match the column – I (Disease) with column – II (Causative agent) and select the correct option.

 
Column – I
Column – II
P. Early blight of potato 1. Claviceps purpurea
Q. Citrus canker 2. Pseudomonas syringae
R. Halo blight of bean 3. Alternaria solani
S. Ergot of Rye 4. Xanthomonas axonopodis

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

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

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

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

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

Alternaria solani is a fungal pathogen that produces a disease in potato plants called early blight. Citrus canker is a disease affecting citrus species that is caused by the bacterium Xanthomonas axonopodis. Halo blight of bean is a bacterial disease caused by Pseudomonas syringae. Ergot of Rye is a plant disease that is caused by the fungus Claviceps purpurea.

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