RBSE Class 12 Biology Model Paper 2024-2025: Download Rajasthan Board Sample Paper FREE PDFs

RBSE Model Paper 2025 Biology Class 12 PDF Download: The Board of Secondary Education, Rajasthan (RBSE), has made model papers, textbooks, and previous years’ question papers available for free. You can download these materials from the official RBSE website, rajeduboard.rajasthan.gov.in.

Students preparing for the 2024-25 board exams should make the most of these resources for better exam preparation. Here, we have provided a direct link to the biology model papers. Click on the relevant link to download the biology model papers.

RBSE Class 12 Biology Model Paper 2025: GENERAL INSTRUCTION  

GENERAL INSTRUCTION about Exams:

• Candidate must write first his/her Roll No- on the question paper compulsorily.
• All the questions are compulsory.
• Write the answer to each question in the given answer book only.
• For questions having more than one part, the answers to those parts are to be written together in continuity. 
• Write down the serial number of the question before attempting it
• If there is any error/difference/Contradiction in Hindi & English versions of the question paper, the question of Hindi version should be treated valid.
• There are internal choices in Question No. 14 to18 .

RBSE Class 12 Biology Model Paper 2025 

1. Multiple Choice Questions 

Choose the correct option to the following questions answer from multiple choice question- (i to xviii) and write it in the given answers book.

1. Pollen grains are stored in -

(A) Liquid Nitrogen (B) Liquid Hydrogen

(C) Liquid Helium (D) water 

2. The embryo having 8-16 blastomeres is called -

(A) Blastula (B) Gastrula

(C) Morula (D) None of the above

3. Accessory glands of the male reproductive system are -

(A) Seminal vesicle (B) Prostate gland

(C) bulbous urethra gland (D) All of above

4. Medical termination of pregnancy was legalised in India -

A) 1972 B) 1980

C) 1971 D)1975 

5. The term 'Linkage' was coined by -

(A) W. Sutton (B) T. Boveri

(C) T.H. Morgan (D) G. mendal

6. Thalasemia is controlled by two closely linked genes HBAI and HBA2 present on chromosome -

(A) 11 (B) 12

(C) 16 (D) 9

7. Number of genes present on Y chromosome

(A) 241 (B) 230

(C) 231 (D) 240

8. Precurser of mRNA transcribed by RNA Polymerase II is -

(A) t-RNA (B) Sn-RNA

(C) 5s RNA (D) hn-RNA

9. The brain capacities of Homo habilis were -

(A)900& 1000 C C (B) 1300& 1400 C C

(C) 650& 800 C C (D) 500& 600 C C

10. Allergy related antibody is -

(A) IgE (B) IgD

(C) IgG (D) IgA 

11. The Causative agent of malaria is -

(A) Salmonella typhi (B) Plasmodium

(C) Streptococcus Pneumoniae (D) Rhinovirus

12. Which of the following enzymes is used to remove clots from the blood vessels -

(A) Pectinases (B) Proteases

(C) Lipase (D) Streptokinase

13. Which of the following causes respiratory infection

(A) Adenovirus (B) Baculovirus

(C) Trichoderma (D) Bacillus Thuringiensis

14. An enzyme that Cuts DNA at specific sites-

(A) Chitinase (B) Lysozyme

(C) Cellulase (D) Restriction endo nuclease

15. The protein produced by bacillus thuringiensis is capable of killing insects -

(A) Lepidopterans (B) Coleopterans

(C) Dipterans (D) all of above

16. Liver fluke completes its life cycle in -

(A) Snail and fish (B) human and Snail

(C) fish and Whale (D) Dog and bird

17. Which of the following has the highest number in food chain ?

(A) Producer (B) Primary Consumer

(C) Secondary Consumer (D) De Composer

18. How many biodiversity Hot Spots regions are there in the world -

(A)  34 (B) 30

(C) 50 (D) 20

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To download this complete set of questions with  and get more diverse options, click on the link below:

RBSE Class 12 Biology Model Paper 2025 Download PDF

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