PSEB Punjab Board Class 12th Biology Model Test Paper 2025: Are you a student looking for the latest sample question paper for Biology for PSEB Class 12? Well your search ends here. The Punjab School Education Board (PSEB) has made available the model test papers for different subjects for students of class 12. You can find the sample papers in the school section of Jagran Josh. Here we have covered the PSEB Class 12 Biology Model Test Paper.
Sample papers are an essential resource for students. They help students practice and get better at writing answers in the examination. Sample papers increase the confidence of students and make them aware of the areas which require improvement. Along with the model papers, PSEB has released the structure of the question papers as well.
Also Check: PSEB Punjab Board Class 12 Model Test Papers 2025: Download Subject-Wise Sample Question Papers for Free
Students should check both the sample question paper as well as the structure of paper carefully. The structure will help the students understand the course and unit-wise weightage.
PSEB Class 12 Biology Model Test Paper 2025
Check the below questions from the PSEB Class 12 Biology sample question paper.
| Section A Q1)Each question carries one mark Multiple Choice Questions |
| I.The female gametophyte of a typical dicot at the time of fertilisation is A.8 – celled B.7 – celled C.6 – celled D.5 – celled |
| II.Double fertilization is fusion of A.Two eggs B.Two eggs and polar nuclei C.One male gamete with egg and other with synergid D.One male gamete with egg and other with secondary nucleus |
| III.Which among the following is the nutritive layer of anther A.Epidermis B.Endothecium C.Tapetum D.Middle Layers |
| IV.Zygote is A.Haploid B.Diploid C.Triploid D.None of these |
| V.Which among the following is an example of STD A.Jaundice B.Marasmus CGonorrhoea D.All of these |
| VI.Oral contraceptives are used by females to check A.Implantation B.Fertilization C.Ovulation D.Entry of sperm |
| VII.Sickle Cell anaemia is caused due to A.Protozoa B.Virus C.Bacteria D.is a genetic disorder |
| VIII.Which blood group is universal donor A.A B.AB C.B D.O |
| IX.In E. coli the Lac Operon get switched on when A.Lactose is present and it binds to repressor B.Repressor binds to operator C.RNA polymerase binds to operator D.Lactose is absent |
| X.The bones of forelimbs of whale, bat, cheeah and man are similar in structure, because A.One organism has given rise to another B.they share a common ancestor C.they perform the same function. D.the have biochemical similarities. |
| XI.If BOD of sample water is very high, the sample is A.highly polluted B.less polluted C.not polluted D.Potable |
| XII.Which of the following drug was first produced by sacrificing animals but is now produced by rDNA technology? A.Pencillin B.Insulin C.Paracetamol D.Bt toxin |
| XIII.The principle of competitive exclusion was stated by A.G. F. Gause B.G.J. Mendel C.Charles Darwin D.Watson and Crick |
| XIV.The interaction in which one species is benefitted and other is harmed is called A.Mutualism B.Commensalism C.Predation D.Competition |
| XV.Which of the following is ex-situ mode of conservation of biodiversity? A.National Park B.Sacred grooves C.Cryopreservation D.Biosphere reserve |
| Write True or False XVI. Androgens are produced by Leydig cells. XVII. Insulin consists of 4 short polypeptide chains named as chain A, chain B, Chain C and chain D. XVIII. The historical convention on biological diversity (The Earth Summit) was held in Rio de Janerio in 1992. XIX. Plants are called producers because they fix atmospheric carbon dioxide. XX.Pyramid of energy is always inverted. |
| Fill in the blanks XXI. Haemophilia and Colour blindness are ................. linked disorders. XXII. A sequence of three nitrogen bases that code for an amino acid is called………….. XXIII. The Residue left after Methane production from cattle dung is used as …………….. XXIV. Large scale production of biotechnological products involves use of…………….. XXV. Dead plant parts and animal remains are called …………………. |
| Compehension passage Read the passage carefuly and answer the following questions Cancerous cells just continue to divide giving rise to masses of cells called tumors. Tumors are of two types: benign and malignant. Benign tumors normally remain confined to their original location and do not spread to other parts of the body and cause little damage. The malignant tumors, on the other hand are a mass of proliferating cells called neoplastic or tumor cells. These cells grow very rapidly, invading and damaging the surrounding normal tissues. XXVI. What are the two main type of tumors? XXVII. Which type of tumors causes less damage to human body? XXVIII. Define neoplastic cells? |
Now that you have gone through the questions, download the complete sample paper and check all the questions for the 2025 Board examination from the direct link:
Download PSEB Class 12 Biology Sample Question Paper 2025
Check the question paper structure for Biology from this link:
Download PSEB Class 12 Biology Question Paper Structure
PSEB Class 12 Syllabus 2024-25
Students can download the latest PSEB Class 5 syllabus for all subjects from the link provided below. Check the syllabus to know about the course structure, marking scheme and unit-wise weightage. Check the link given:
Download PSEB Class 12 Syllabus 2024-25
PSEB Class 12 Online Test Series for Science Students
Class 12 students can prepare effectively for the exams with the help of online test series prepared by the subject matter experts. These test series will help students to check their exam preparation.
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