Biotechnology and its Applications class 12 MCQ

Biotechnology and its Applications class 12 Chapter 12 MCQ Question and Answer

Biotechnology and its applications class 12 MCQ taken from NCERT Book these are 30 very Important MCQ Prepared by latest Exam pattern.

Question:1 What is the primary goal of biotechnology?

1. a. Creating artificial life forms
2. b. Improving living organisms for human benefit
3. c. Studying the history of life on Earth
4. d. Controlling the weather

Question:2 Which biotechnological technique involves the transfer of genes from one organism to another?

1. a. Cloning
2. b. Hybridization
3. c. Genetic engineering
4. d. Selective breeding

Question:3 What is the purpose of PCR (Polymerase Chain Reaction) in biotechnology?

1. a. Producing genetically modified organisms
2. b. Amplifying DNA segments for analysis
3. c. Creating synthetic organisms
4. d. Selectively breeding plants

Question:4 Which enzyme is commonly used to cut DNA at specific sequences in genetic engineering?

1. a. Polymerase
2. b. DNA ligase
3. c. Restriction enzyme
4. d. RNA polymerase

Question:5 What is the significance of recombinant DNA technology?

1. a. It creates genetically identical organisms
2. b. It transfers genes from one organism to another
3. c. It produces synthetic organisms
4. d. It studies the evolution of species

Question:6 Which of the following is an example of a genetically modified organism (GMO)?

1. a. A purebred dog
2. b. A wild tiger
3. c. A pesticide-resistant crop
4. d. A natural forest

Question:7 What is the role of bioremediation in biotechnology?

1. a. Creating genetically modified organisms
2. b. Cleaning up environmental pollution using living organisms
3. c. Producing synthetic organisms
4. d. Developing new vaccines

Question:8 In agriculture, what does BT cotton refer to?

1. a. Cotton with Bluetooth technology
2. b. A type of cotton used in textiles
3. c. Cotton genetically modified to produce a pesticide
4. d. A traditional variety of cotton

Question:9 Which biotechnological application is used to create exact copies of an organism?

1. a. Cloning
2. b. Hybridization
3. c. Genetic engineering
4. d. Selective breeding

Question:10 What is the function of insulin in biotechnology?

1. a. It’s used as a fuel source for bioreactors
2. b. It’s a plant hormone
3. c. It’s produced for the treatment of diabetes
4. d. It’s used to clean bioreactors

Question:11 Which biotechnological method is used to determine the DNA sequence of an organism’s genome?

1. a. Gel electrophoresis
2. b. PCR (Polymerase Chain Reaction)
3. c. DNA sequencing
4. d. Hybridization

Question:12 What is the goal of gene therapy in biotechnology?

1. a. To create genetically modified organisms
2. b. To develop new vaccines
3. c. To correct or replace faulty genes in individuals
4. d. To study the history of life on Earth

Question:13 Which technique allows scientists to visualize and analyze an individual’s unique DNA fingerprint?

1. a. PCR (Polymerase Chain Reaction)
2. b. Cloning
3. c. Gel electrophoresis
4. d. Selective breeding

Question:14 What is the significance of the Human Genome Project in biotechnology?

1. a. It aims to create synthetic humans
2. b. It seeks to identify and map all human genes
3. c. It studies the evolution of human civilization
4. d. It focuses on cloning humans

Question:15 Which biotechnological application is used to develop new strains of crops with desirable traits?

1. a. Genetic engineering
2. b. Cloning
3. c. DNA sequencing
4. d. Gene therapy

Question:16 What is the purpose of vaccine production in biotechnology?

1. a. To create genetically modified organisms
2. b. To study the history of life on Earth
3. c. To develop substances that provide immunity against diseases
4. d. To clone endangered species

Question:17 What does the term “transgenic organism” refer to in biotechnology?

1. a. An organism that has undergone a sex change
2. b. An organism with genes from another species
3. c. An organism that can clone itself
4. d. An organism with a high resistance to diseases

Question:18 In biotechnology, what is the role of CRISPR-Cas9?

1. a. A gene that causes diseases
2. b. A technique for editing DNA sequences
3. c. A type of genetically modified organism
4. d. A species of bacteria

Question:19 Which biotechnological application is used to improve livestock and crop yields through controlled breeding?

1. a. Genetic engineering
2. b. Cloning
3. c. Selective breeding
4. d. DNA sequencing

Question:20 What is the primary aim of tissue culture in biotechnology?

1. a. To produce synthetic tissues
2. b. To create artificial organisms
3. c. To study ancient civilizations
4. d. To cultivate plant cells and tissues for various purposes

Question:21 Which biotechnological technique involves the fusion of two different cells to create a hybrid organism?

1. a. Cloning
2. b. Gene therapy
3. c. Hybridization
4. d. DNA sequencing

Question:22 What does the term “fermentation” refer to in biotechnology?

1. a. A type of genetic mutation
2. b. The process of producing energy in cells
3. c. The conversion of sugars into alcohol or organic acids using microorganisms
4. d. The study of genetics in plants

Question:23 What is the significance of stem cell research in biotechnology?

1. a. It aims to create artificial life forms
2. b. It focuses on cloning animals
3. c. It explores the potential of using versatile cells for regenerative medicine
4. d. It studies ancient civilizations

Question:24 Which biotechnological application involves the development of drought-resistant and pest-resistant crops?

1. a. Genetic engineering
2. b. Cloning
3. c. DNA sequencing
4. d. Gene therapy

Question:25 Transgenic Golden Rice Highly Nutrient value for.

1. Lysine
2. Methionine
3. Glutenin
4. Vitamin-A

Question:26 B7 Toxin is .

1. Intracellular lipid
2. Intracellular crystal protein
3. Extracellular crystal protein
4. lipid

Question:27 In a Transgenic crop gene for following .

1. New protein synthesis
2. Resistance from Antibiotics
3. In the formation enzyme for Antibiotics
4. all of these

Question:28 Monoclonal antibodies are obtained from .

1. One parent for one antigen
2. Different parents for one antigen
3. One parent for many antigens
4. many parents for many antifens

Question:29 somatic hybridization can be done by.

1. by Protoplast fusion
2. haploid anther
3. by cell culture
4. by pollen culture

Question:30 which one of the following is a step of PCR?

1. Denaturation
2. Annealing
3. Extension
4. all of these

MCQ Answers

Question No	Answer	Question No	Answer
1	B	16	C
2	C	17	B
3	B	18	B
4	C	19	C
5	B	20	D
6	C	21	C
7	B	22	C
8	C	23	C
9	A	24	A
10	C	25	D
11	C	26	B
12	C	27	D
13	C	28	B
14	B	29	A
15	A	30	A

Read Also

1. Chapter 1: Reproduction in Organisms class 12 MCQ
2. Chapter 2: Sexual Reproduction Flowering plants class 12 MCQ
3. Chapter 3: Human Reproduction class 12 MCQ
4. Chapter 4: Reproductive Health class 12 MCQ
5. Chapter 5: Principles of Inheritance and Variation class 12 MCQ

Conclusion

In conclusion, biotechnology’s vast applications, from genetic engineering to creating GMOs, addressing medical needs, and enhancing agriculture, underscore its transformative role in shaping diverse fields. This dynamic fusion of biology and technology continues to revolutionize industries, offering solutions to global challenges.