Question

Sonalika and Kalyan Sona are ....a.... which are introduced in ....b....

• A. a—High yielding and disease resistant, b—1967
  
• B. a—High yielding, b—1963
  
• C. a—High yielding and disease resistant, b—1963
• D. a—High yielding, b—1967

Answer 1

The correct option is C a—High yielding and disease resistant, b—1963

Sonalika and Kalyan sona
Sonalika and Kalyan sona are a semi-dwarf wheat hybrid variety. They both are high yielding and disease resistant. These varieties were developed by N. E. Borlaug in Mexico. They were introduced in India in 1963.
Final answer
(D) a—High yielding and disease resistant, b—1963