Top 20 Questions of SCIENCE (Class 10th 1st)
Most Repeated Questions
Top 20 Questions of SCIENCE
Previous year question paper with solutions for Top repeated questions of SCIENCE
PSEB • Class 10th • 1st
Browse Top 20 questions of SCIENCE (Class 10th 1st) previous year question papers for Top repeated questions of SCIENCE. This page helps SCIENCE students find semester-wise papers for revision, exam practice, and understanding previous exam patterns. These are the top twenty repeated questions identified from previous year papers for SCIENCE (Class 10th 1st), helping students focus on the most frequently asked topics.
Top repeated questions
Top 20-
1.
Why damage to the Ozone layer is a cause of concern?
Appeared 9 times
Appeared in: Mar 2026, Mar 2025, Mar 2017, Mar 2016
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2.
Label 1 and 2 in figure.
Appeared 8 times
Appeared in: Mar 2019, Mar 2018
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3.
Why it is advised to take iodised salt ?
Appeared 8 times
Appeared in: Mar 2026, Mar 2025, Mar 2023, Mar 2018
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4.
Why does the colour of the sky appears blue?
Appeared 6 times
Appeared in: Mar 2026, Mar 2025, Mar 2023, Mar 2019
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5.
Write characteristics of magnetic field lines
Appeared 6 times
Appeared in: Mar 2026, Mar 2025, Mar 2019, Mar 2017
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