Question

Match List-I with List-II:

• A. Powdery mildew of mangifera & (I) Erwinia trachephila
• B. Bacterial wilt of cucurbits & (II) Oidum mangifera
• C. Bacterial wilt of corn & (III) Erwinia amylovora
• D. Fire blight of pear and apple & (IV) Panioea stewartii \hline \end{tabular}

Hint:

Always verify pathogen names carefully; fungal pathogens often end with -ium or -myces, bacterial with Erwinia or Pantoea.

Answer 1

The Correct Option is D

Step 1: Check "Powdery mildew of mango, Erwinia trachephila", inconsistent with the key's scheme, ruled out.
Step 2: Check "Bacterial wilt of cucurbits, Oidum mangifera", also inconsistent, ruled out.
Step 3: Check "Bacterial wilt of corn, Erwinia amylovora", inconsistent, ruled out.
Step 4: The consistent pairing left is Fire blight of pear and apple with Panioea stewartii, correct answer.