निम्नलिखित में से कौन - सा सही सुमेलित युग्म नहीं है?
The correct answer is A
Agriculture in India dates back to:
Health is defined as a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity by:
Ufra disease in rice is caused by _____
What is the nitrogen-providing form of urea in plants?
_____is an amber coloured thin layer over the surface of the epidermis which is strengthened by outer polyphenol layer.
What is the recommended light intensity for Dendrobium orchid cultivation?
Cultivation of crops in areas receiving annual rainfall more than750 mm but less than 1150 mm is known as
Match the following:
Organization Location
I. IIFSR ...
Type of silviculture system which can regenerate through seeds and majority have a long life is ___
Calculate the concentration of a solution if 200 gm herbicide mixture is mixed in 400 litre of water.