Which of the following is/are Correctly matched:

1st commercial hybrid of sorghum released in India was

 'Opaque-2' mutant of maize has:

Potato is mainly propagated by

Most expensive spice in the world is 

With reference to farm planning and optimun resource use consider the following:

1. Monopolistic Competition

2. Perfect Competition

After the stage of sheet erosion, what is the term used to describe the formation of small, finger-like channels on the soil surface?

Which one of the following is used as biofertilizer in non leguminous crops?

Membrane asymmetry can be counter – acted by enzymes that involved in transport of newly synthesized phospholipids 

Match List-I with List-II

Which is a natural pesticide?