Question

Which one of the following pairs is incorrectly matched in respect to the “crop varieties for disease resistance”?

• A. Cowpea—Bacterial blight
• B. Cauliflower—Tobacco mosaic virus and leaf curl
  
• C. Brassica—White rust
  
• D. Wheat—Leaf and stripe rust

Answer 1

The correct option is B Cauliflower—Tobacco mosaic virus and leaf curl


Cowpea—Bacterial blight
Cowpea of the Pusa komal variety is resistant to Bacterial blight. Therefore, this pair is correctly matched.

Brassica—White rust
Brassica of the Pusa swarnim variety is resistant to White rust. Therefore, this pair is correctly matched.

Wheat—Leaf and stripe rust
Wheat of the Himgiri variety is resistant to Leaf and stripe rust. Therefore, this pair is correctly matched.
Cauliflower—Tobacco mosaic virus and leaf curl
Cauliflower of the Pusa shubhra variety is resistant to Curl blight black rot disease. Hence this pair is incorrectly matched.
Final answer
(D) Cauliflower—Tobacco mosaic virus and leaf curl