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301.

If the soils contain 110 to 280 kg K2O/ha then soils are said ______ in this regard.

A.	High	B.	Low
C.	Medium	D.	Very high

302.

If the Substitution Ratio is less than the Price Ratio, then the cost:

A.	Remains the same	B.	Increases
C.	Decreases	D.	None of the above

303.

Immobilization of sulphur takes place when the 'S' content of orgnaic matter is less than:

A.	0.60%	B.	0.45%
C.	0.30%	D.	0.15%

304.

Importance of fruits and vegetables in human diet is primarily because they are:

A.	Good source of carbohydrates	B.	Good source of proteins
C.	Good source of fats	D.	Good source of vitamins and minerals

305.

Important achievements of plant breeding are:

A.	Production of dwarf cereal varieties	B.	Production of hybrid varieties
C.	Development of disease and pest resistance varieties	D.	All of the above

306.

In AB blood group of human being, the genes A and B show:

A.	Dominance	B.	Epitasis
C.	Linkage	D.	Co-dominance

307.

In an apomictic plant:

A.	Heterosis is increased	B.	Heterosis is fixed
C.	Heterosis is reduced	D.	Heterosis is eliminating

308.

In C3 plants the CO2 compensation point is usually ______ than it is in C4 plants:

A.	Equal	B.	More
C.	Less	D.	None of the above

309.

In C4 plants the initial acceptor of CO2 is:

A.	Phosphoenol pyruvic acid	B.	Rubulose 1 - 5 biphosphate
C.	Both (a) and (b)	D.	None of above

310.

In case of mungbean seed:

A.	The amount of carbohydrate is higher than that of protein	B.	The amount of protein is higher than that of carbohydrte
C.	Protein and carbohydrate are present in equal proportion	D.	There is no carbohydrate