GATE XL previous year question papers
Life Sciences · 2007–2026
Free year-wise GATE XL question papers with official answer keys. Solve them under a 3-hour timer to simulate the real exam, then review every wrong answer against the GATE XL syllabus.
Free PDF downloads
We link to established, free sources rather than re-hosting copies. Papers open in a new tab; always cross-check against the official GATE organising institute's site for the current cycle.
How to use these papers
- Finish a subject first, then solve that subject's questions across all years.
- Once the syllabus is covered, switch to full papers under a strict 3-hour timer.
- Log every mistake by cause: concept gap, silly error, or time pressure.
- Re-solve the papers you scored worst on after two weeks.
Frequently asked questions
How does the two-optional-section choice work in GATE XL?
Every candidate attempts the compulsory Section P (Chemistry) and then answers exactly two optional sections chosen from Section Q (Biochemistry), R (Botany), S (Microbiology), T (Zoology) and U (Food Technology). The selection is made on the exam screen itself while attempting the paper, not at the time of application, and only the two sections you pick are scored: the other three simply are not part of your paper.
Can I prepare more than two optional sections and decide later?
Yes, and some candidates deliberately do this. Since the final choice is made during the exam, keeping a third optional section at a reasonable standard gives you a fallback if one of your primary two turns out to be tougher on the day. This is a time trade-off, not a requirement: most candidates commit to two sections well in advance and prepare only those.
Which optional sections should I pick for GATE XL?
It depends heavily on your undergraduate coursework. Biotechnology and life-science students often pair Biochemistry with Microbiology since both build on common molecular-biology foundations; agriculture-background candidates frequently combine Botany with Food Technology; students aiming at zoology, wildlife or animal-science postgraduate programmes usually pick Zoology alongside Biochemistry.
Is GATE XL only for biotechnology students?
No. GATE XL is meant for any life-sciences background: botany, zoology, microbiology, biochemistry, food science and general biology graduates all sit for it, not just biotechnology graduates. Biotechnology itself has its own dedicated GATE paper (BT), and some biotechnology students choose to write XL instead when their coursework maps better onto its optional sections.
Does GATE XL have the same negative marking rules as other GATE papers?
Yes. GATE XL uses the standard scheme across all its sections: one-third negative marking on 1-mark MCQs, two-thirds on 2-mark MCQs, and no negative marking on Multiple Select Questions or Numerical Answer Type questions.