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71.

Black soil is used for the cultivation of:

A.	Jute	B.	Wheat
C.	Cotton	D.	Sugarcane

72.

Botanical name of Sixed row barley:

A.	Hordeum irregular	B.	Hordeum distinction
C.	Hordeum vulgare	D.	None of above

73.

Brassica Juncea is the scientific name of:

A.	Rai	B.	Toria
C.	Soyabean	D.	Wheat

74.

Broadcast potassium is ________ than banded:

A.	More efficient	B.	As efficient as
C.	Less efficient	D.	None of these

75.

Brown strips downy mildew of maize can be controlled by use of:

A.	Bordeaux mixture (4:4:50)	B.	Bavistin
C.	Karathane-45	D.	Diathane M-45

76.

Build up of soluble sugars and amino acids (due to inadequate potassium), low molecular weight compounds encourage the activity of:

A.	Plant hormones	B.	Plant pathogens
C.	None of these	D.	Both of these

77.

Butylate stimulates germination in ______ seeds by enhancing gibberellic activity or by changing membrane of seed permeability:

A.	Potato	B.	Pigeon pea
C.	Safflower	D.	Barley

78.

By which of the following method of raising seedlings of rice, we can get the ready seedling in early time:

A.	Dapog method	B.	Dry bed method
C.	Wet bed method	D.	None of the above

79.

Indirect methods of measuring soil water content consist of resistance method and:

A.	Gravimetric	B.	Volumetric
C.	Neutron scattering	D.	None of these

80.

Capillary water will not be available to the plants it is held at a tension of:

A.	Less than 15 atmospheres	B.	20 atmospheres
C.	More than 15 atmospheres	D.	Less than 5 atmospheres