CSIR NET 2020 Question Paper with Answer Key: Download PDF

May 26, 2026

CSIR-UGC NET 2020 exam, conducted by the National Testing Agency (NTA), took place on November 19, 21, and 26, 2020, across various test centers in India. The exam was held in a computer-based format for five core science subjects: Life Sciences, Chemical Sciences, Physical Sciences, Mathematical Sciences, and Earth Sciences. It served as a national-level eligibility test for candidates aspiring to qualify for the Junior Research Fellowship (JRF) and/or Lectureship (LS). Candidates can download the official CSIR NET 2020 question papers and answer keys in PDF format here for exam preparation and reference.

CSIR NET 2020 Question Paper and Answer Key PDF

Question Paper PDF	Answer Key PDF	Detailed Solution
CSIR NET 2020 Physical Science Question Paper and Answer Key PDF (Nov 19, 2020)	Download PDF	Attempt Now
CSIR NET 2020 Earth Science Question Paper and Answer Key PDF (Nov 19, 2020)	Download PDF	Attempt Now
CSIR NET 2020 Life Science Question Paper and Answer Key PDF (Nov 21, 2020) (Shift 1)	Available Soon	Attempt Now
CSIR NET 2020 Life Science Question Paper and Answer Key PDF (Nov 21, 2020) (Shift 2)	Download PDF	Attempt Now
CSIR NET 2020 Mathematical Science Question Paper and Answer Key PDF (Nov 26, 2020)	Download PDF	Attempt Now
CSIR NET 2020 Chemical Science Question Paper and Answer Key PDF (Nov 26, 2020)	Download PDF	Attempt Now
CSIR NET 2020 Mathematical Science Question Paper and Answer Key PDF (Nov 30, 2020)	Available Soon	Attempt Now
CSIR NET 2020 Chemical Science Question Paper and Answer Key PDF (Nov 30, 2020)	Available Soon	Attempt Now

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.