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Given: a + 3b = 18 ..... (I) And 3a + b = 30 ....... (II) On subtracting equation (I) from equation (II) , we have; 2a - 2b = 12 So, a - b = 6 Hence, option b.
Deficiency of which element in soil cause chlorosis in plant
The slope of Isoquant indicates
Trench method of FYM preparation is also known as
Variations in moisture content result in the clay soil's characteristic swelling and shrinking. It is due to presence of ____________ mineral.
Chiasmata formation takes place during which stage of Prophase I?
The operation of pulsing is done for ____
The relation between percent and p.p.m. during preparation of plant growth regulator is
In cyclorrhapous dipterans, the fusion of corpora cardiaca corpora allalata and prothoracic glands is known as
The four principles of organic farming do not include
Which regions in India are specially considered for the Special Area Games Support Programme by the Sports Authority of India?
