Rajasthan JET Biology sample papers are one of the most focused ways to prepare for the Joint Entrance Test conducted by Swami Keshwanand Rajasthan Agricultural University (SKRAU), Bikaner. Biology is the primary scoring subject for PCB stream students and carries 40 questions worth 160 marks. The section is split into Botany (25 questions) and Zoology (15 questions) across 8 units - and several of those units cover agriculture-specific topics like economic crops, crop diseases, and insect pest management that do not appear in NEET, making JET-specific sample paper practice essential.

Official website: www.jetskrau2026.com

  • Exam date 2026: June 27, 2026 (result expected July 9, 2026)
  • Paper format: 200 MCQs across 5 subjects - PCB stream students attempt Physics, Chemistry, and Biology
  • Marking scheme: +4 for each correct answer, -1 for each wrong answer, 0 for unattempted
  • Mode and duration: Offline OMR-based, 2 hours for 120 attempted questions (roughly 1 minute per question)
  • Biology section: 40 questions / 160 marks - Botany (25 Q across 5 units) + Zoology (15 Q across 3 units)
  • Syllabus base: Class 11 and Class 12 RBSE/NCERT Biology with agriculture-focused units on crops, diseases, and pest management

Rajasthan JET Biology Sample Papers 2026 - Download PDF

Below you will find five Rajasthan JET Biology sample papers in PDF format. Each paper covers all 8 units - 5 from Botany and 3 from Zoology - with full +4/-1 marking applied. Practice each paper in a focused 40-minute session to build the answer pace and skipping judgment you need on exam day.

Sample Paper PDF Download
Rajasthan JET Biology Sample Paper 1 Download PDF
Rajasthan JET Biology Sample Paper 2 Download PDF
Rajasthan JET Biology Sample Paper 3 Download PDF
Rajasthan JET Biology Sample Paper 4 Download PDF
Rajasthan JET Biology Sample Paper 5 Download PDF
Rajasthan JET Biology Sample Paper 6 Download PDF
Rajasthan JET Biology Sample Paper 7 Download PDF
Rajasthan JET Biology Sample Paper 8 Download PDF
Rajasthan JET Biology Sample Paper 9 Download PDF
Rajasthan JET Biology Sample Paper 10 Download PDF

Previous year question papers are also available on Collegedunia and on the official JET website at www.jetskrau2026.com.

Rajasthan JET Biology Sample PaperRajasthan JET Biology Exam Pattern and Marks Distribution 2026

Understanding how the Biology section is structured helps you decide where to spend your preparation time and how to sequence your attempt on exam day.

  • Total questions: 40 MCQs - Botany contributes 25 questions and Zoology contributes 15 questions
  • Total marks for Biology: 160 (4 marks per correct answer)
  • Negative marking: -1 for every wrong attempt; unattempted questions carry zero marks
  • Time budget: The full exam is 2 hours for 120 questions - plan approximately 40 minutes for the Biology section at 1 minute per question
  • Botany units: 5 units (Taxonomy, Ecology, Economic Botany, Biotechnology, Crop Diseases) with 5 questions each
  • Zoology units: 3 units (Animal Kingdom, Invertebrates, Vertebrates) with 5 questions each

Key advice: Botany carries 25 of the 40 questions, so it is where you can build the biggest score advantage. Botanical units on Economic Botany and Crop Diseases are unique to Rajasthan JET and do not appear in NEET - these 10 marks are essentially free for students who prepare them.

Rajasthan JET Biology - Why Recent Papers Matter Most

Rajasthan JET Biology is not simply a repeat of NEET Biology. While the core science overlaps, the exam includes agriculture-linked units that test practical farming knowledge - topics that require entirely different study material and question practice.

  • Agriculture units need JET-specific practice: Economic Botany (crop types, fiber crops, oilseeds, spices), Crop Diseases (kharif and rabi disease management), and Invertebrate economics (insect pests, integrated pest management) are tested in a factual, recall-based format that only JET-pattern sample papers can prepare you for
  • RBSE framing differs from NCERT standard: Even for shared topics like plant physiology, genetics, and vertebrate systems, the question style and terminology used in JET papers follows the Rajasthan Board pattern - practicing on actual JET-format papers removes this unfamiliarity before exam day
  • Negative marking requires practiced judgment: With 40 Biology questions at -1 per wrong answer, a careless 10-question guess round can erase 10 marks - timed mock practice builds the discipline to skip and return rather than guess under pressure

Rajasthan JET Biology Chapter Wise Weightage - High Scoring Topics to Focus in Sample Papers

The Biology section has 8 units in total - 5 Botany units (25 questions) and 3 Zoology units (15 questions), with 5 questions from each unit. The table below covers the difficulty level and key focus areas for sample paper practice.

Section / Unit Questions Difficulty What to Watch For
Botany - Unit A: Taxonomy and Classification of Plants (Algae, Bryophyta, Pteridophyta, Gymnosperms, Angiosperms; plant physiology, cell biology, genetics, reproduction) 5 Medium Plant kingdom classification hierarchy, differences between major plant groups, and photosynthesis/respiration reaction steps
Botany - Unit B: Ecology and Environment (Ecosystems, biodiversity, environmental factors, plant communities, conservation) 5 Medium Ecosystem types, food chain levels, ecological pyramids, and biodiversity hotspots in Rajasthan context
Botany - Unit C: Economic Botany and Human Welfare (Cereals, pulses, oilseeds, fiber crops, cash crops, fruits, medicinal plants, bio-fertilizers) 5 Easy-Medium JET-specific and factual - botanical names of major crops, their families, and agricultural uses; bio-fertilizer types; nearly pure recall with no diagrams
Botany - Unit D: Biotechnology and Its Applications (Genetic engineering, plant tissue culture, gene transfer, recombinant DNA) 5 Medium-Hard Recombinant DNA steps, tissue culture terminology, Bt crops, and applications in agriculture - conceptual MCQs with tricky option sets
Botany - Unit E: Major Diseases of Crops and Their Control (Kharif and Rabi crop diseases, fruit crop diseases, chemical/biological/mechanical management) 5 Easy JET-specific and factual - disease names, causative organisms (fungal/bacterial/viral), and control methods for common crops like wheat, rice, and mustard
Zoology - Unit A: Animal Kingdom (Classification of non-chordates and chordates, morphology of key phyla) 5 Medium Phylum-level characteristics, differences between closely related groups (e.g., Annelida vs Arthropoda), and vertebrate class features
Zoology - Unit B: Invertebrates (Invertebrate economics, insect pest identification, integrated pest management) 5 Easy-Medium JET-specific - major agricultural insect pests, their host crops, life cycle stages, and IPM control strategies; factual and straightforward if studied
Zoology - Unit C: Vertebrates (Nutrition, digestion, reproduction, fertilization, endocrine and nervous system functions in vertebrates) 5 Medium-Hard Hormonal functions, digestive enzyme specifics, and reproductive biology steps - the most NEET-like unit in the Biology section

Note: Botany Units C and E and Zoology Unit B together cover 15 questions (60 marks) of agriculture-specific factual content with minimal calculation demand - these are the easiest scoring units if you prepare them using JET-specific material rather than NEET textbooks.

Rajasthan JET Biology Sample Paper Video Solutions 2026 - Watch Before You Start Solving

Watching a JET paper walkthrough before you begin your own timed practice helps you see how questions are framed, where time is actually spent, and which units tend to carry the more application-based questions. The video below covers the JET 2025 live paper solution and analysis across all sections including Biology.

Pay particular attention to how the Botany units on Economic Botany and Crop Diseases are handled - these sections have a very different question style compared to standard NCERT chapters and the video gives you a clear sense of what to expect.

Watch:

Source: JET 2025 Answer Key and Live Paper Solution - a complete walkthrough of the Rajasthan JET Agriculture 2025 question paper with unit-wise analysis, Biology question discussion, and expected cutoff (YouTube)

How to Use Rajasthan JET Biology Sample Papers to Clear in First Attempt

The way you use sample papers between now and the exam matters far more than simply solving them and moving on.

  • Begin with the agriculture units: In each mock session, start with Botany Units C and E and Zoology Unit B - these are factual, carry no calculation risk, and banking 12 to 15 marks here early frees you to spend full attention on the harder Biotechnology and Vertebrates units
  • Track Botany and Zoology accuracy separately: Record your score for all 5 Botany units and all 3 Zoology units after each paper - this shows at a glance which section needs more revision before the next mock
  • Time yourself strictly at 40 minutes: Set a timer for 40 minutes and do not stop - the pressure of the clock is exactly what builds the skipping instinct that protects you from negative marking in the actual exam
  • Build a crop-and-pest reference sheet: For Units C, E, and Zoology B, write down all major crops, their families, key diseases, causative organisms, and major insect pests on one sheet - review this before every mock session
  • Identify repeat question types: Across 5 papers you will see certain question formats (classification comparisons, crop disease names, plant hormone functions) appearing repeatedly - these are your highest-probability topics for the actual exam
  • Do one full 3-subject mock in Week 3: Solving Physics + Chemistry + Biology together in a single 2-hour session reveals how your Biology stamina holds up after already spending 80 minutes on two other subjects

OMR and Negative Marking Strategy for Rajasthan JET Biology

Rajasthan JET is an offline OMR exam with a -1 penalty for every wrong Biology answer. Managing your OMR sheet carefully and knowing when to skip are skills you must build before exam day.

  • Bubble immediately after each answer: With 40 Biology questions in 40 minutes you have exactly 1 minute per question - do not batch OMR entries; bubble each answer the moment you decide it and move on
  • The taxonomy trap: Classification questions (plant groups, animal phyla) often have two very similar-looking options - if you are genuinely unsure between two choices, skip rather than guess; the -1 penalty makes a 50/50 guess a losing bet on average
  • Agriculture units first, hard units last: Sequence your attempt to cover Economic Botany, Crop Diseases, and Insect Pests early - these are recall-based and reduce time pressure on the harder Biotechnology and Vertebrates questions
  • Check row alignment before submission: Spend the final 2 minutes confirming your OMR row numbers match your question numbers - a single misaligned bubble can cascade errors across an entire section

Rajasthan JET Biology 4 Week Preparation Plan Using Sample Papers

  • Week 1 - Baseline and unit gap analysis: Solve Sample Papers 1 and 2 under timed conditions, score yourself unit by unit, and identify where you lose marks most - students who prepared from NEET materials typically lose the most marks in Economic Botany, Crop Diseases, and Insect Pest units
  • Week 2 - Fill the agriculture unit gaps: Study Botany Units C and E and Zoology Unit B from JET-specific notes and RBSE textbooks; build your crop-and-pest reference sheet; then attempt Sample Paper 3 to measure the improvement in these units
  • Week 3 - Full speed and stamina: Solve Sample Papers 4 and 5 at full pace targeting above 80% accuracy, and complete at least one combined 3-subject mock (Physics + Chemistry + Biology in 2 hours) to build the endurance needed on exam day
  • Week 4 (last 2 days) - Light revision only: Run through your crop-and-pest sheet, classification summary notes, and hormone function lists - no new topics, no new papers, and rest well before the exam

FAQs on Rajasthan JET Biology Sample Papers

Ques. How many questions are there in Rajasthan JET Biology and how is it split between Botany and Zoology?

Ans. The Rajasthan JET Biology section has 40 questions in total. Botany contributes 25 questions across 5 units (Taxonomy, Ecology, Economic Botany, Biotechnology, and Crop Diseases) and Zoology contributes 15 questions across 3 units (Animal Kingdom, Invertebrates, and Vertebrates). Each unit carries 5 questions worth 20 marks.

Ques. Is Rajasthan JET Biology harder or easier than NEET Biology?

Ans. Rajasthan JET Biology is generally considered slightly easier than NEET in terms of overall difficulty, but it includes agriculture-specific units (Economic Botany, Crop Diseases, Insect Pests) that do not appear in NEET at all. Students who prepare only from NEET material may lose 40 to 60 marks in these units. The solution is to supplement NEET preparation with JET-specific sample papers that include agricultural content.

Ques. What does Economic Botany cover in Rajasthan JET?

Ans. Economic Botany (Botany Unit C) covers the botanical names and families of major agricultural crops including cereals (wheat, rice, maize), pulses (gram, lentil), oilseeds (mustard, groundnut), fiber crops (cotton, jute), cash crops (sugarcane, tobacco), fruits, medicinal plants, spices, and bio-fertilizers. Questions are almost entirely factual recall with no calculations, making this one of the easiest units to score in if you prepare the list of crops and their families.

Ques. How much time should I spend on the Biology section in Rajasthan JET?

Ans. Rajasthan JET has a single 2-hour window for all 3 subjects you attempt. At 1 minute per question for 120 total questions, plan roughly 40 minutes for the 40 Biology questions. Start with the factual agriculture units (Economic Botany, Crop Diseases, Insect Pests) to secure easy marks quickly, then move to the more demanding Biotechnology and Vertebrates units with the remaining time.

Ques. Are there negative marks in Rajasthan JET Biology?

Ans. Yes. Rajasthan JET deducts 1 mark for every wrong answer in all sections including Biology. Unattempted questions receive zero marks. In Biology, classification questions with similar-looking options are the riskiest to guess - if you cannot clearly distinguish between two options, it is better to skip and return later rather than guess and risk losing a mark.

Ques. Where can I find Rajasthan JET Biology sample papers for free?

Ans. You can download Rajasthan JET Biology sample papers from the links provided on this page. Previous year question papers are also available on the official JET website at www.jetskrau2026.com. Collegedunia provides free Biology sample papers and preparation resources for Rajasthan JET across all subjects.