alleryA teacher asks if an upturned glass still holds air. What is revealed?
AAlternative conceptions
BPoor handwriting skill
CLack of discipline
DWeak arithmetic skill
Answer & Solution
Correct answer: A. Alternative conceptions
1. Pupils chorused that air is everywhere, yet the follow-up question split them.
2. The teacher found unexpectedly that they had formed alternative conceptions.
3. Applying an idea to a new situation exposes such misunderstandings, unlike the other options.
_Source: NCERT Position Paper, National Focus Group on Teaching of Science, 2. Research in Science Education_
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