Free Practice Questions for RBSE SS Biology
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Key Facts: RBSE SS Biology Exam
042
RBSE subject code for Biology
RBSE 2026 subject-wise statistics
Theory 56 + Sessional 14
Typical full marks / assessment pattern
RBSE syllabus examination scheme
3 h 15 m
Typical theory paper duration (where applicable)
RBSE Class 12 / Praveshika schemes
33%
Common minimum pass threshold under RBSE regulations
RBSE examination regulations (confirm circular)
2026
Main examination cycle evidenced in official subject-wise statistics
rajeduboard.rajasthan.gov.in/statistics2026.htm
MCQ study aid
Local bank adapts knowledge to four-option MCQs; official paper is mixed/performance format
OpenExamPrep assessment-format policy
RBSE Senior Secondary (Class 12) Biology (code 042): Theory 56 + Sessional 14 = 70 and Practical 30 = 100; 3 hours 15 minutes (theory). Pass about 33% per RBSE rules (confirm circular). Fee as per board notification. Free English MCQ study aid — not a full official-format simulation.
Sample RBSE SS Biology Practice Questions
Try these sample questions to review concepts for the RBSE SS Biology exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1In angiosperms, the male gametophyte is represented by the:
2Double fertilisation in flowering plants produces a zygote and a primary endosperm nucleus that is typically:
3Which tissue nourishes developing pollen grains inside the anther?
4In a typical angiosperm embryo sac (Polygonum type), how many nuclei are present at maturity before fertilisation?
5Apomixis is best described as:
6Self-incompatibility in flowering plants primarily prevents:
7Which statement correctly distinguishes monocot and dicot seeds?
8Spermatogenesis in humans occurs in the:
9Which hormone primarily triggers ovulation in the human menstrual cycle?
10In humans, fertilisation normally occurs in the:
About the RBSE SS Biology Exam
The Rajasthan RBSE Senior Secondary (Class 12) Biology examination (subject code 042) is conducted by the Board of Secondary Education, Rajasthan (RBSE), Ajmer. Official 2026 subject-wise main-examination statistics list this paper among assessed subjects (SCIENCE 2026 stats: 042 BIOLOGY). Scheme commonly Theory 56 + Sessional 14 = 70 and Practical 30 = 100. Official delivery commonly English/Hindi. The official assessment is mixed written and/or practical/performance format, not pure multiple-choice. The 100 questions on this page are an English-language MCQ study adaptation for concept drills and self-assessment — not an official translation, format simulation, or substitute for writing, practical, project, or performance practice. Aligned to RBSE syllabus materials on rajeduboard.rajasthan.gov.in (Class 12: 12_2026.pdf; Praveshika path materials as applicable).
Exam sponsor: Board of Secondary Education, Rajasthan (RBSE). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Assessment
Official RBSE mixed written theory plus separate practical/viva components. Typical full marks pattern Theory 56 + Sessional 14 = 70 and Practical 30 = 100, theory duration 3 hours 15 minutes. Candidates must often pass theory and practical separately. Local bank: English-language four-option MCQ study adaptation — not a practical simulation. Subject code 042. SCIENCE 2026 stats: 042 BIOLOGY.
Time Limit
3 hours 15 minutes (theory); practical duration as per subject scheme (commonly ~3–4 hours)
Passing Score
Minimum 33% marks in the subject as per RBSE examination regulations (confirm current session circulars). Where theory and practical are separate, candidates must pass each component as required by the subject scheme.
Exam / Certification Fees
As per RBSE annual examination fee notification for school/private candidates (Senior Secondary / Class 12 full board form fee is notified each cycle on rajeduboard.rajasthan.gov.in — confirm the current circular; subject papers are not separately priced on the statistics page)
Exam sponsor websiteReported exam pass rate: See RBSE subject-wise statistics for the current cycle on statistics2026.htm.. This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Our practice resources: topics covered
We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.
Reproduction
Reproduction in organisms, sexual reproduction in flowering plants, human reproduction, reproductive health.
Genetics and Evolution
Inheritance, molecular basis, evolution.
Biology and Human Welfare
Health, disease, microbes, strategies for enhancement.
Biotechnology
Principles and applications of biotechnology.
Ecology
Organisms and populations, ecosystem, biodiversity, environmental issues.
Preparing for the RBSE SS Biology Exam
What You Need to Know
- Passing score: Minimum 33% marks in the subject as per RBSE examination regulations (confirm current session circulars). Where theory and practical are separate, candidates must pass each component as required by the subject scheme.
- Assessment: Official RBSE mixed written theory plus separate practical/viva components. Typical full marks pattern Theory 56 + Sessional 14 = 70 and Practical 30 = 100, theory duration 3 hours 15 minutes. Candidates must often pass theory and practical separately. Local bank: English-language four-option MCQ study adaptation — not a practical simulation. Subject code 042. SCIENCE 2026 stats: 042 BIOLOGY.
- Time limit: 3 hours 15 minutes (theory); practical duration as per subject scheme (commonly ~3–4 hours)
- Exam / certification fees: As per RBSE annual examination fee notification for school/private candidates (Senior Secondary / Class 12 full board form fee is notified each cycle on rajeduboard.rajasthan.gov.in — confirm the current circular; subject papers are not separately priced on the statistics page) Official sources
Using Our Practice Resources
- Work through all 100 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
RBSE SS Biology: Suggested Study Strategy
Frequently Asked Questions
Is the official RBSE Senior Secondary (Class 12) Biology exam multiple-choice only?
No. Official RBSE papers mix objective and constructed-response tasks and may include practical/performance components. The 100 questions here are an English-language MCQ study adaptation for concept practice only.
What are full marks and duration for RBSE Biology?
Common scheme: Theory 56 + Sessional 14 = 70 and Practical 30 = 100; 3 hours 15 minutes (theory); practical duration as per subject scheme (commonly ~3–4 hours). Confirm the exact scheme for code 042 in the current RBSE syllabus PDF on rajeduboard.rajasthan.gov.in.
What is the passing score?
Minimum 33% marks in the subject as per RBSE examination regulations (confirm current session circulars). Where theory and practical are separate, candidates must pass each component as required by the subject scheme.
How much does the exam cost?
As per RBSE annual examination fee notification for school/private candidates (Senior Secondary / Class 12 full board form fee is notified each cycle on rajeduboard.rajasthan.gov.in — confirm the current circular; subject papers are not separately priced on the statistics page).
Where are official statistics and syllabus?
Subject-wise 2026 result statistics and board materials are published by RBSE at https://rajeduboard.rajasthan.gov.in/statistics2026.htm and syllabus PDFs under anudeshika / books sections of https://rajeduboard.rajasthan.gov.in. Prefer primary board PDFs over third-party summaries.
Is this bank an official RBSE translation?
No. OpenExamPrep publishes one English-language practice bank per exam ID. Target-language terms and texts may appear when they are integral to the skill, but stems, explanations, and SEO copy are English study adaptations — not official translations or language-environment simulations.
How should I use MCQs for a mixed written/practical paper?
Use MCQs for daily concept drills and self-check. Also practise full written answers from RBSE model papers under timed conditions and complete required practicals, projects, or performances.