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21. What is the main remedial instruction?
Drill work devices
Adjustive devices
Both 1 and 2
None of the above
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22. Which is the main remedial teaching strategy?
Tutorial
Supervised
Both (1) and (2)
23. The biggest challenge faced by science teachers in effective science teaching at junior and middle level is
lack of resources
dis-interested children
unavailability of books
24. In the chapter on 'food', the students are asked to discuss about people who don't get sufficient food to eat and how to avoid wastage of food. Which type of validity do you see in this type of content?
Process validity.
Environmental validity.
Content validity.
Ethical validity.
25. In any scientific experiment, the experimental errors can be controlled by-
keeping many replications of the experiment.
by keeping experimental conditions under control.
Both (1) and (2).
None of the above.
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