The ”Model of Communication” as given by Katz & Lazarsfeld (1955) has following elements; arrange them in correct sequence:
(A). Source
(B). Message
(C). Mass Media
(D). Opinion
(E). Public
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Which of the following are the objectives of field trips?
(A). To provide recreational opportunities for participants
(B). To stimulate people to action and encourage adoption of practices
(C). To expose visitors to new and different situations
(D). To widen the vision of farmers and cater to group psychology and leadership
Choose the correct answer from the options given below:
Extension educational process involves five essential interrelated steps. Arrange these steps in a logical order.
(A). Teaching
(B). Reconsideration
(C). Situation & Objectives
(D). Evaluation
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Given below are two statements:
Statement (I): Voltinism in insects is number of generations produced in a year.
Statement (II): Morus alba is a perennial tree in northern India.
Choose the most appropriate answer from the options given below:
Given below are two statements:
Statement (I): Tukra disease in mulberry is caused by whitefly.
Statement (II): Shellac is a resin secreted by female lac insect on host plant.
Choose the most appropriate answer from the options given below:
Given below are two statements:
Statement (I): Butterflies with erratic darting flights belong to family Hesperiidae.
Statement (II): Larvae with tapering at both ends without dorsal setae.
Given below are two statements:
Statement (I): Bean yellow mosaic virus is transmitted by Aphis glycines.
Statement (II): Chilli mosaic virus is transmitted by Aphis craccivora.
Given below are two statements:
Statement (I): Virus transmission by whitefly is persistent and circulative type.
Statement (II): Virus transmission by hoppers is circulative and usually propagative type.