Which country was the focus country at the 30th Kolkata

Which type of crop is taramira? 

What sugarcane pest leads to leaves turning yellow, being covered with black sooty mold, and the drying up of top leaves with lateral bud germination?

Match List I with List II :

In which of the following technique, DNA from different sources are isolated and digested with restriction endonuclease?

Tungro disease of rice is transmitted by which insect?

Which soil forming process leads to acidic soils with bleached A horizons?

Plants growing in soils having sand and gravel and called by the name 

Which element is a primary constituent of orthoclase feldspar?

What is the term for the practice of growing grass or legumes in rotation with grain or tilled crops as a soil conservation measure?