Biotechnology Principles and Processes NEET PYQs With Answers

Aspirants should practice Biotechnology Principles and Processes NEET PYQ in order to get an idea about  total number of questions asked from this topic. As NEET 2026 exam is one of the toughest exams, students should aim to score full marks from this topic. NEET Re exam 2026 is scheduled to be held on June 21, 2026.

Biotechnology principles and processes is an important chapter of Biology for NEET preparation. NEET PYQ from Biotechnology principles and processes should be solved to understand type of questions asked in exam. In addition, this exercise helps aspirants to get an idea how many questions are usually asked from this subject. Biotechnology principles and processes comprises study of various biological techniques to make difference in living organism. It involves gene cloning, recombinant DNA technology, genetic engineering etc. Previous year NEET questions on biotechnology principles and processes make you understand overall difficulty level, which in turn helps in planning and making strategies for NEET 2026 preparation. NTA is scheduled to conduct NEET 2026 exam on June 21, 2026. 

Biotechnology principles and processes NEET Syllabus

A good number of questions are asked from Biotechnology principles and processes in NEET exam. In order to answer all questions correctly, students should know what all topics comprises from Biotechnology principles. Check name of topics from which questions are asked in NEET exam :

• Principles and process of Biotechnology
• Genetic engineering (Recombinant DNA technology)
• Application of Biotechnology in Health and Agriculture
• Human insulin and vaccine production, gene therapy
• Genetically modified organisms-Bt crops; Transgenic Animals
• Biosafety issues- Biopiracy and patents

Also Read: Evolution NEET PYQ: Download PDF

Biotechnology principles and processes NEET Weightage

Students should know weightage of each topic from which questions are asked. Once they know weightage, they will be able to prepare each topic accordingly. Around 5 to 7 questions are asked from Biotechnology principles and processes in NEET exam. Check weightage from Biotechnology principles and processes in NEET:

Biotechnology principles and processes NEET PYQ

Students can check Biotechnology principles and processes NEET PYQ in table given below. These questions must be practised to do status check of preparation level from this subject. Check some of the NEET PYQ given below from above mentioned topic:  

A single strand of nucleic acid tagged with a radioactive molecule is called

1. Plasmid
2. Probe
3. selectable marker
4. Vector

Answer: b

Which of the following is not a component of downstream processing?

1. Expression
2. Preservation
3. Purification
4. Separation

Answer:a

 A foreign DNA and plasmid cut by the same restriction endonuclease can be joined to form a recombinant plasmid using

1. Taq polymerase
2. Polymerase III
3. Ligase
4. Eco RI

Answer: c

DNA fragments separated on an agarose gel can be visualized after staining with ____

1. ethidium bromide
2. bromophenol blue
3. acetocarmine
4. aniline blue

Answer: a

 Taq polymerase enzyme is obtained from

1. Thermus aquaticus
2. Thiobacillus ferrooxidans
3. Bacillus subtilis
4. Pseudomonas subtilis

Answer: a

A gene whose expression helps to identify transformed cells is known as ____

1. Plasmid
2. Selectable marker
3. Structural gene
4. vector

Answer: b

There is a restriction endonuclease called Eco RI. What does ‘co’ part in it stand for?

1. Coli
2. Colon
3. Cofactor
4. None of the above

Answer: a

Agarose extracted from sea weeds finds use in

1. Spectrophotometry
2. Gel electrophoresis
3. PCR
4. tissue culture

Answer: b

Which of the following is an endonuclease?

1. DNase I
2. Hind II
3. Protease
4. RNase restriction

Answer: b

Which of the following restriction enzymes produce blunt ends?

1. Hind III
2. Xho
3. Eco RV
4. Sal I

Answer: c