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GATE Life Sciences: Distribution of Marks and Questions

GATE Life Sciences (XL) carries 100 marks, including 15 marks for General Aptitude, 25 marks for compulsory Chemistry (Section P), and 60 marks from any two optional sections (Q–U). Chemistry includes 17 questions, while each optional section contains 19 questions. Candidates can select or change optional sections during the exam.

authorImageMuskan Verma27 Jun, 2026
GATE Life Sciences: Distribution of Marks and Questions

The Graduate Aptitude Test in Engineering (GATE) is one of the most important examinations for students seeking admission to postgraduate programs and research opportunities. Candidates appearing for the Life Sciences (XL) paper should understand the examination pattern, mark distribution, and question structure before beginning their preparation.

Understanding the GATE Life Sciences Distribution of Marks helps candidates plan their studies effectively and focus on the sections that carry significant weightage.

GATE Life Sciences Paper Pattern

The GATE Life Sciences (XL) paper consists of three major parts:

  • General Aptitude (GA)

  • Chemistry (Section P)

  • Two Optional Sections selected from Sections Q to U

The total marks for the paper are 100.

Candidates must answer the General Aptitude section and the Chemistry section. In addition, they must choose any two optional sections during the examination.

General Aptitude (GA)

The General Aptitude section is compulsory for all GATE candidates.

Section Marks
General Aptitude (GA) 15 Marks

This section evaluates verbal ability and numerical aptitude skills.

Chemistry Section (P)

Chemistry is a compulsory section for all candidates appearing in the Life Sciences paper.

Question Type Number of Questions Marks
1-Mark Questions 9 9 Marks
2-Mark Questions 8 16 Marks
Total 17 Questions 25 Marks

The Chemistry section contributes a total of 25 marks to the examination.

Optional Sections in GATE XL

After completing the compulsory sections, candidates must select any two optional sections from the following:

  • Section Q

  • Section R

  • Section S

  • Section T

  • Section U

The choice can be made during the examination after viewing the available questions.

Marks Distribution in Each Optional Section

Each optional section follows the same structure.

Question Type Number of Questions Marks
1-Mark Questions 8 8 Marks
2-Mark Questions 11 22 Marks
Total 19 Questions 30 Marks

Since candidates must attempt two optional sections, the total marks from the optional sections become 60 marks.

Complete GATE Life Sciences Distribution of Marks

The overall mark distribution for the Life Sciences paper is shown below.

Section Marks
General Aptitude (GA) 15
Chemistry (Section P) 25
Optional Section 1 30
Optional Section 2 30
Total 100

This GATE Life Sciences Distribution of Marks provides a clear understanding of how marks are allocated across different sections of the examination.

Important Rules for Optional Sections

Candidates should remember the following points:

  • Only two optional sections can be selected at a time.

  • The selection can be made during the examination.

  • A candidate may change an optional section if required.

  • Before selecting a new section, one previously selected section must be deselected.

  • When a section is deselected, all answers marked in that section are deleted.

  • The system displays a warning message before deleting the answers.

Therefore, candidates should carefully choose their optional sections before attempting the questions.

Number of Questions in GATE Life Sciences

The paper contains questions from:

  • General Aptitude

  • Chemistry

  • Two Optional Sections

The question pattern includes both 1-mark and 2-mark questions. This structure allows the examination to assess conceptual understanding, analytical ability, and subject knowledge.

Preparation Tips

Candidates preparing for the XL paper should:

  • Build a strong foundation in Chemistry.

  • Select optional sections based on their strengths.

  • Practice previous years' question papers.

  • Improve speed and accuracy through mock tests.

  • Allocate sufficient time to General Aptitude preparation.

Understanding the GATE Life Sciences Distribution of Marks helps candidates prioritize important sections and prepare strategically for the examination.

The GATE Life Sciences paper consists of 100 marks divided among General Aptitude, Chemistry, and two optional sections. General Aptitude carries 15 marks, Chemistry carries 25 marks, and each optional section carries 30 marks. A clear understanding of the examination structure enables candidates to prepare effectively and maximize their performance in the GATE XL examination.

GATE Life Sciences: Distribution of Marks and Questions FAQs

What are the total marks allotted to the GATE Life Sciences (XL) paper?

The GATE Life Sciences paper carries a total of 100 marks.

Is the Chemistry section compulsory in GATE XL?

Yes, Section P (Chemistry) is compulsory for all candidates.

How many optional sections can a candidate choose in GATE Life Sciences?

Candidates must select and attempt any two optional sections from Q to U.
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