71. Statistics can best be considered as
72. The T and V system of agricultural extension was first introduced in the year
73. Match the following columns
Column I
Column II
a. Audio
1. Flash card
b. Visual
2. Radio
c. Audio
3. Drama
d. Audio-visual
4. Tape recorder
Column I | Column II |
a. Audio | 1. Flash card |
b. Visual | 2. Radio |
c. Audio | 3. Drama |
d. Audio-visual | 4. Tape recorder |
74. Match the following columns
Column I
Column II
a. AGMARK
1. 1953
b. ICAR
2. 1973
c. NES
3. 1937
d. T and V system
4. 1929
Column I | Column II |
a. AGMARK | 1. 1953 |
b. ICAR | 2. 1973 |
c. NES | 3. 1937 |
d. T and V system | 4. 1929 |
75. The geometric mean of two numbers 8 and 18 shall be
76. The following layout of an experiment stands for the design?
ACAB, BCCD, BADC, DBAC
ACAB, BCCD, BADC, DBAC
77. Which of the following would you regard as discrete variables?
78. Which of the following is the special scheme launched by the ICAR for transfer of technology to the farmers?
79. The harmonic mean of 2 and 4 is
80. When an extension worker approaches large number of people, spread over large areas for disseminating new improved production technology, it is called
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