A boatman rows 12 km in 15 minutes, along the stream and

A type of farming in which no single product source of income equals as much as 50% of the total receipts is ____

Semi-conservative DNA replication was demonstrated by

Which measure involves cultivating erosion resisting and permitting crops in strips across the slope to break long slopes and prevent soil loss?

Price elasticity of supply of food products is generally

What is India's share in the world's cotton production?

With the presence of organic matter and iron oxides in the soil, the colour of soil appears like_?

____ is a milk process that makes milk more easily digested by those with a sensitive digestive system.

The first stable compound formed in the photosynthesis of C3 plants is : 

Which plant growth regulator promotes cell division and is often used in tissue culture for plant propagation? 

Which of the following disease occurs due to deficiency of zinc in rice?