Multiple choice

Match the Group-I with Group-II ||| |---|---| |Group-I (Plant diseases) | Group-II (Causing bacteria)| |P. Grey spot of apricot|1. Pseudomonas amygdali | |Q. Stripe of cacao|2. Xanthomonas arboricola| |R. Scab of carrot|3. Streptomyces sp.| |S. Angular leaf spot of cucurbits|4. Erwinia caratovora|

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

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

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

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

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

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Grey spot of apricot is caused by the bacteria Xanthomonas arboricola. Stripe disease of cacao is caused by Erwinia caratovora. Streptomyces sp. (S. scabiei) causes scab in carrot. Citrus’s black fruit pit is caused by Pseudomonas syringae. Pseudomonas amygdali causes angular leaf spot disease in cucurbits. Hence, the correct answer using the codes is P - 2, Q - 4, R - 3, S - 1.