Top 20 Questions of Biology (Class 12th 1st)
Most Repeated Questions
Top 20 Questions of Biology
Previous year question paper with solutions for Top repeated questions of Biology
PSEB • Class 12th • 1st
Browse Top 20 questions of Biology (Class 12th 1st) previous year question papers for Top repeated questions of Biology. This page helps Biology 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 Biology (Class 12th 1st), helping students focus on the most frequently asked topics.
Top repeated questions
Top 20-
1.
Name the Bacteria which acts as Natural Genetic Engineer.
Appeared 3 times
Appeared in: Mar 2018
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2.
What are Sciophyres ?
Appeared 3 times
Appeared in: Mar 2018
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3.
Define pleiotropy
Appeared 3 times
Appeared in: Mar 2018
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4.
Briefly discuss\\r\\n\\r\\n(a) Biofortification\\r\\n\\r\\n(b)Role of microbes in household food processing
Appeared 3 times
Appeared in: Mar 2018
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5.
Photochemical smog contains\\r\\n\\r\\n(a) PAN\\r\\n\\r\\n(b) Nitrogen Dioxide\\r\\n\\r\\n(c) Ozone\\r\\n\\r\\n(d) All of the above
Appeared 2 times
Appeared in: Mar 2018
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