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71.

An extension method in which systematic display of models. Specimens, charts, graphs, information, posters, etc. is done in a sequence so as to be significant in teaching or creating interest among the formers is called:

A.	Group contact	B.	Campaign
C.	Exhibition	D.	Tour and excursions

72.

An extension programme should be carried out by:

A.	Well trained personnel	B.	D.D.O. and A.D.O.
C.	High paid scientists	D.	Local leaders

73.

An indifference curve is always:

A.	Concave to the origin	B.	A vertical straight line
C.	A horizontal straight line	D.	Convex to the origin

74.

An indifference curve is defined as:

A.	Crossing points of two curves of commodities of utility	B.	Points of various combinations of two commodities of same utility
C.	Points of various combination of same price	D.	Points of crossing points of various prices and same utility

75.

An individual having the genotype AA is known as:

A.	Heterozygote	B.	Hybrid
C.	Homozygote	D.	F1

76.

An intensity of K-fixation is maximum in:

A.	Kaolinite	B.	Chlorite
C.	Veumiculite	D.	Micas

77.

An outline of activities so arranged as to enable efficient execution of the entire programme and it answers the questions such as how, when, where and by whom is to be done is called:

A.	A calender of work	B.	A plan of work
C.	Extension programme plan	D.	Project work

78.

An unorganized mass of cells developed on an agar medium is known as:

A.	Callus	B.	Mass
C.	Explant	D.	Suspension

79.

Anthesis is a phenomenon, which occurs:

A.	When the flower opens first	B.	After pollination
C.	When anthers are formed in the flower	D.	When fruit drops due to low soil moisture

80.

Apple crop thrives bst within the ______ temperature range:

A.	30-40?F	B.	40-45?F
C.	45-60?F	D.	Above 60?F