Bihar Board 12th Biology Final Question Paper 2026: यदि आप भी 2026 में होने वाले Bihar Board 12th Biology का Exam देने वाले है जो कि दिनांक 2 फरवरी 2026 को होने वाला है, और आपको Bihar Board 12th Biology Final Question Paper 2026 के बारे में जानकारी चाहिए कि पेपर कैसा आएगा? तो इस आर्टिकल में आपको पूरी जानकारी विस्तार से Bihar Board 12th Biology Final Question Paper 2026 के बारे में दी गई है।
Bihar Board 12th Biology Final Question Paper 2026
आइए सबसे पहले जानते हैं Bihar Board 12th Biology Paper 2026 — Paper Pattern के बारे में।
बिहार बोर्ड ने 12वीं Biology के पेपर को तीन हिस्सों में बांटा है:
Section-A : Objective / MCQ
- कुल 70 प्रश्न आते हैं
- जिनमें से 35 को हल करना होता है
- यहाँ विकल्प ज्यादा रहते हैं ताकि छात्र चुन सकें
Section-B : Short Answer
- कुल 20 लघु उत्तरीय प्रश्न
- जिनमें से 10 को हल करना होता है
Section-C : Long Answer
- कुल 6 दीर्घ उत्तरीय प्रश्न
- जिनमें से 3 को हल करना होता है
कुल अंक: 100
Theory: 70 अंक
Practical/Lab: 30 अंक
अभी आपने जाना Bihar Board 12th Biology Paper 2026 — Paper Pattern के बारे में।
Bihar Board 12th Biology Final Question Paper 2026 – Overview
| बोर्ड | BSEB, Patna |
| कक्षा | 12वीं (Intermediate) |
| विषय | Biology |
| कुल अंक | 100 (70 Theory + 30 Practical) |
| पेपर फॉर्मेट | MCQ + Short + Long Questions |
| Model Paper | Officially Available |
| Official साइट | biharboardonline.com |
Bihar Board 12th Biology Final Question Paper 2026
Bihar Board 12th Biology Final Question Paper 2026 will be released on 2nd february 2026 By the Bihar school examination board patna.
Bihar Board 12th Biology Model Question Paper 2026
बिहार विद्यालय परीक्षा समिति द्वारा Bihar Board 12th Biology Model Question Paper 2026 को दिनांक 2 दिसंबर 2025 को ही जारी कर दिया गया था। जिससे छात्र यह जान ले की पेपर किस तरीके का आने वाला है। यदि आपने अभी तक Bihar Board 12th Biology Model Question Paper 2026 PDF DOWNLOAD नहीं किया तो आप https://biharboardonline.com/files/InterModelPaper/2026/119_Biology.pdf वेबसाइट से डाउनलोड कर सकते हैं।
Bihar Board 12th Biology Final Question Paper 2026
SECTION–A (Objective Type / MCQ)
Total Questions: 70 | Attempt any 35 | 1 mark each
(हर प्रश्न के साथ 4 विकल्प दिए गए हैं — जैसा असली पेपर में था)
- Who among the following scientists popularised the use of embryological characters in taxonomy?
- Which of the following plant came to India with imported wheat?
- Endosperm is present in the mature seed of which plant?
- In which of the following plant number of ovules is more than one?
- Which type of cell division occurs in megaspore mother cell?
- Production of seeds without fertilisation is called —
- Which of the following hormone plays important role in parturition?
- What is it called when the menstrual cycle ceases in women at around 50 years of age?
- What is the significance of placing the testis in the scrotum outside the abdominal cavity?
- Which carbohydrate is present in the seminal plasma?
- In which layer of the uterus do cyclic changes occur during the menstrual cycle?
- What is the sterilisation process for men called?
- Which of the following contraceptive pill is non-steroidal?
- What is incorrect about cell division in primary oocyte?
- Who popularised the term ‘Biodiversity’?
- Which group is not included in estimates of special diversity?
- Which scientist’s experiments showed that productivity increases with increase in biodiversity?
- Where was the Convention on Biodiversity held in 1992?
- Which of the following statement is incorrect about population?
- Which of the following plant employs sexual deceit to get pollinated?
- What is the basis of the tiger census in tiger reserves and national parks?
- If the plot of N with respect to time is sigmoid curve, what is it called?
- Member of which species breed only once in their life time?
- What is the interaction in which one species benefits and the other is unaffected called?
- Which of the following plant was controlled in Australia by using a moth?
- Which of the following plant produces poisonous cardiac glycosides?
- What is the rate of production of biomass called?
- What is the food chain that starts with dead organic substances called?
- What is the process of downstream processing called?
- From which bacteria is thermostable DNA polymerase used in PCR isolated?
- Which type of charges are present on DNA?
- During isolation of DNA precipitation occurs after addition of —
- Which is used to make bacterial cell competent to take up DNA?
- Which is used as cloning vector for animal cells?
- What is the process of introduction of a piece of DNA into host bacterium called?
- What is the process of producing large number of plants through tissue culture called?
- What is the process called when isolated protoplasts fuse and form new plant?
- Which of the following bacteria produce BT–Toxin?
- The protein encoded by which gene controls maize borer?
- Both polypeptide chains of insulin are joined by which bond?
- Which of the following is based on antigen–antibody interaction?
- Which is used in treatment of emphysema?
- Which Plasmodium species is responsible for malignant malaria?
- Which is responsible for ringworm?
- Which statement is incorrect about interferon?
- Which cells produce antibody?
- Which immune response rejects graft?
- Which immunoglobulin is abundant in colostrum?
- What is heroin?
- In AIDS infected persons, number of which cell shows decrease?
- Which of the following is autoimmune disease?
- Which microorganisms are involved in ripening of Roquefort cheese?
- Who established penicillin as an effective antibiotic?
- Which of the following produces butyric acid?
- Which of the following is used as ‘clot buster’?
- In treatment of which disease antibiotics are not effective?
- How many years ago the earth is considered to have been formed?
- Who proposed embryological support for evolution?
- Changing form due to different roles is called?
- Sweet potato and potato are examples of —
- Which of the following is example of natural selection?
- Nitrogenous base is joined to pentose sugar by which bond?
- Which of the following is thymine?
- DNA is more stable compared to RNA because —
- Which enzyme joins discontinuously synthesized DNA segments?
- RNA polymerase III is not responsible for transcription of which?
- Which law does not depend on monohybrid cross?
- Offspring has O blood group, parents may be —
- Which is example of XO type sex determination?
- Which is reason of Klinefelter’s syndrome?
SECTION–B (Short Answer Type Questions)
Total Questions: 20 | Attempt any 10 | 2 Marks each
- What is polyembryony? Give two examples.
- Define monosporic development of embryo sac.
- Where are Leydig/interstitial cells found and what is their function?
- What is ZIFT?
- What is Chromosomal theory of inheritance?
- Define homology and give example of homologous organs.
- Name pentose sugar & nitrogenous bases found in RNA.
- What are parts of transcription unit? Define them.
- What is meaning of charging of tRNA?
- Name three species of Plasmodium causing malaria. Which causes malignant malaria?
- What are interferons? What is their role?
- Define primary lymphoid organs. What are their names?
- What is source of statin? Write its use.
- Define plasmid.
- What is use of PCR? Write steps involved.
- What is BT Cotton?
- What is competitive exclusion principle?
- Define primary productivity.
- What is in situ conservation? What are main methods?
- What is rivet popper hypothesis?
SECTION–C (Long Answer Type Questions)
Total Questions: 6 | Attempt any 3 | 5 Marks each
- Explain the reasons of loss of biodiversity.
- What is gene therapy? Describe first clinical gene therapy case.
- Explain differences between any two:
• Innate vs Acquired immunity
• Active vs Passive immunity
• Endosperm vs Perisperm - What is genetic code? Describe its salient features.
- Describe spermatogenesis. Explain roles of hormones.
- Write short notes on any two:
i) Types of pollination
ii) Double fertilisation
iii) Pleiotropy
Important Link
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