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CSIR NET 2020 Question Paper with Answer Key: Download PDF

Soumya Rajput

Jul 16, 2026

CSIR UGC NET 2020 exam was conducted by the National Testing Agency (NTA) on November 19, 21, and 26, 2020, in Computer-Based Test (CBT) mode. CSIR NET exam covered five science subjects: Life Sciences, Chemical Sciences, Physical Sciences, Mathematical Sciences, and Earth Sciences.

CSIR NET 2020 Question Paper and Answer Key PDF

CSIR UGC NET 2020 Exam Analysis

CSIR UGC NET 2020 exam was moderate, with Part A being easier, while Parts B and C focused on conceptual, analytical, and subject-specific questions. Candidates with strong conceptual clarity and good time management found the exam manageable.

Subject Difficulty Level Analysis
Life Sciences Moderate Balanced paper with conceptual and application-based questions.
Chemical Sciences Moderate to Difficult Included numerical and mechanism-based chemistry questions.
Mathematical Sciences Moderate to Difficult Featured lengthy calculations and proof-based problems.
Physical Sciences Moderate Numerical and concept-driven questions with moderate difficulty.
Earth Sciences Moderate Covered a broad range of topics with factual and analytical questions.

CSIR NET 2020 selection process was based on a single computer-based test for each subject, divided into three parts: Part A, B, and C, with a total of 200 marks. The number of questions and marking scheme varied slightly depending on the subject. Typically, the paper contained 120 questions, but candidates were required to attempt only a specified number (ranging from 75 to 85). Final selection for Junior Research Fellowship (JRF) and/or Lectureship (LS) was based on marks secured, subject-wise cutoffs, and eligibility criteria.

CSIR UGC NET 2020 FAQs

Ques. Which subjects were covered in the CSIR UGC NET 2020 exam?

Ans: The examination was conducted for five subjects: Life Sciences, Chemical Sciences, Physical Sciences, Mathematical Sciences, and Earth, Atmospheric, Ocean and Planetary Sciences.

Ques. Was there negative marking in the CSIR UGC NET 2020 exam?

Ans: Yes, negative marking was applicable in the CSIR UGC NET 2020 examination. However, the marking scheme varied depending on the subject and section.

Ques. Which section was the most difficult in the CSIR UGC NET 2020 exam?

Ans: Part C was generally considered the most difficult section as it contained analytical and application-based questions requiring in-depth subject knowledge.

*The article might have information for the previous academic years, please refer the official website of the exam.
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