Which of the following visual aids are commonly used by agricultural extension workers in India?
A. Posters, photographs, flash card and fanel graphs
B. Slides, film-strips, models and puppets
C. Bulletin boards, cultural programmes and black boards
D. All of the above
Answer: Option D
Related Questions on Agricultural Statistics
A. Field trails
B. Exhibitions
C. Competition
D. Fair
The intelligency, ability or efficiency can be measured by use of
A. Median
B. G.M.
C. Weighted H.M.
D. Geometric mean
Join The Discussion