MP Class 12 Biology Important Questions 2026

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MP Class 12 Biology Important Questions 2026 are taken from sample papers and previous years' question papers.  To work on your time management skills and learn about the format of the paper and the types of questions asked during the exam, you should solve the important questions. The biology theory paper will be conducted for 70 marks, while 30 marks are allotted for the practical exam, which is equally important. The Biology paper will consist of different types of questions, including objective-type questions, very short answer-type questions, short-answer-type questions, and long-answer-type questions. There will be internal choices available for all sections except for the very first section, which is the objective-type questions. You must download the updated MP Board Class 12 Biology Syllabus 2025-26 to understand the curriculum. You can check out the latest MP Class 12 Biology Important Questions 2026 below:

Also Read MP Board Class 12 Biology Model Paper 2025-26

MP Class 12 Biology Important Questions 2026 For 1 Mark

According to the latest question paper pattern, there are 28 objective questions from question no. 1 to 5. There will be no internal choices present in this section, so you need to choose the answer accurately and write it down on your answer sheet. Check out some important one-mark questions below:

Question 1: Used as molecular scissors in genetic engineering-

(a) DNA polymerase

(b) DNA ligase

(c) Helicase

(d) Restriction endonuclease

Question 2: Which bacteria convert milk into curd?

(a) Saccharomyces cerevisiae (b) Lactobacillus

(c) Aspergillus niger (d) Clostridium butilicum

Question 3: A person which has a trisomy on 21st Chromosome is called __________.

Question 4: Name the enzyme that cuts DNA at specific locations.

Question 5: Free-living bacteria responsible for the fixation of atmospheric nitrogen are-

(i) Streptococcus (ii) Azotobacter

(iii) Stephylococcus (iv) E. Coli

Question 6: Name of the first transgenic cow is ………..

Question 7: True or False: GIFT is a method to control the birth rate.

Question 8: Write the equation for the Hardy-Weinberg theory.

MP Class 12 Biology Important Questions 2026 For 2 Marks

The next section of the question paper will consist of very short answer-type questions for 2 marks. You need to answer these questions in about 30 words. Check out some important questions for 2 marks below:

Question 1: What is amniocentesis?

Question 2: Write 2 names of sexually transmitted diseases.

Question 3: Difference between in Monohybrid cross and a Dihybrid cross.

Question 4: What is energy flow?

Question 5: Which mixture of gases did scientist Miller use in his experiment on the origin of life?

Download MP Board Class 12 Biology Previous Year Question Paper

MP Class 12 Biology Important Questions 2026 For 3 Marks

The very next section consists of short-answer type questions for 3 marks each, for which you need to write the answer in about 75 words. You can check out some important short-answer type questions below:

Question 1: With the help of a diagram, show the inheritance of colour blindness in the children born to a normal woman who marries a colour blind man.

Question 2: Draw a well-labelled diagram of Miller's experiment.

Question 3: What are Innate immunity and acquired immunity?

Question 4: Write any 3 differences between a Food web and a Food chain.

Question 5: Why is a mother’s milk considered the best for a newborn baby? Write any three reasons.

MP Class 12 Biology Important Questions 2026 For 4 Marks

In the very last section of the question paper, you will find long-answer type questions for 4 marks. Check out some important questions for 4 marks below:

Question 1: Explain Apomixis and write its two important aspects.

Question 2: Write any four characteristics of cloning vectors, and also write about any two cloning vectors.

Question 3: Write short notes on -

(a) Biopiracy

(b) Restriction enzyme

Question 4: What is a DNA fingerprint? Throw light on its usefulness.

Question 5: Draw a labelled diagram of the Urey and Miller experiment.

MP Class 12 Biology Chapter-Wise Weightage 2025

The theory paper in Biology will be conducted for 70 marks. A total of five units is included in the curriculum. You can check out the weight allotted for each unit below and can also go through the MP Board Class 12 Biology Exam Pattern 2026 :

Make sure to practice as many questions as possible to enhance your chances of getting a good CGPA in the exam. Focus on completing the syllabus as soon as possible, and also go through the exam pattern released online.

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