NCERT Class 12 Biology Chapter 10 Biotechnology and Its Applications MCQs & PYQ

In NCERT Class 12 Biology Chapter 10, titled "Biotechnology and Its Applications", students learn about the real-world applications of biotechnology in various fields such as agriculture, medicine, and industry. This chapter explores the production of genetically modified organisms (GMOs), gene therapy, biofertilizers, and biopesticides. Additionally, it highlights the role of biotechnology in addressing health and environmental issues, including the production of vaccines, antibiotics, and the treatment of genetic disorders.

This article provides a comprehensive resource for exam preparation. It includes sample MCQs and subjective questions for CBSE and CUET, alongside downloadable PDFs of Class 12 Biology Chapter 10 MCQs and previous year questions for detailed practice of NCERT Class 12 Biotechnology and Its Applications.

NCERT Class 12 Biology Chapters
Chapter 1: Sexual Reproduction in Flowering Plants	Chapter 2: Human Reproduction
Chapter 3: Reproductive Health	Chapter 4: Principles of Inheritance and Variation
Chapter 5: Molecular Basis of Inheritance	Chapter 6: Evolution
Chapter 7: Human Health and Disease	Chapter 8: Microbes in Human Welfare
Chapter 9: Biotechnology: Principles and Processes	Chapter 11: Organisms and Populations
Chapter 12: Ecosystem	Chapter 13: Biodiversity and Conservation

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Class 12 Biology Chapter 10 MCQs

This question bank includes previous years' CUET and CBSE MCQs, along with questions curated by subject experts. Below are 5 sample multiple-choice questions (MCQs) for Class 12 Biology Chapter 10: Biotechnology and Its Applications. For the full set of 50 questions, download the PDF using the link provided below.

The method of producing thousands of plants through tissue culture is called as:

(a) Somaclones (b) Micro-propagation

Identify the gene which is not effective against cotton boll worms?

(a) cryIAb (b) cryIAc (c) cryIIAb (d) Both (b) and (c)

Match List – I with List – II.

List – I	List – II
(A) Produces crystals of toxic insecticidal proteins.	(I) Meloidegyne incognitia
(B) Nematode which infects the roots of tobacco plant.	(II) Agrobacterium tuniefaciens
(C) Vector used to transfer the nematode specific gene into the host plant was obtained from.	(III) Bacillus thuringiensis
(D) Plasmids used to produce the insulin chains were obtained from.	(IV) Propionibacteriunt sharmanii
	(V) Eshcherichia coli

Choose the correct answer from the options given below:

(a) (A) – (I), (B) – (II), (C) – (IV), (D) – (III) (b) (A) – (III), (B) – (I), (C) – (II), (D) – (V)

Bt toxin produced by Bacillus thuringiensis is resistant to:

(a) Drought (b) Insects (c) Nematodes (d) Viruses

The process of RNA interference (RNAi) was used in Tobacco plant to develop resistance against:

(a) Viruses (b) Fungi (c) Nematodes (d) Insects

Class 12 Biology Chapter 10 Subjective Questions Without Solutions

This question bank includes previous years' CBSE subjective questions (2 marks and above) without solutions, along with expert-curated questions. Below are 5 sample subjective questions for Class 12 Biology Chapter 10: Biotechnology and Its Applications. To access all questions, download the PDF from the link provided below.

1.	How is ‘somatic hybridization’ carried out? Mention one example of a somatic hybrid. (CBSE 2019, 2M)
2.	List any four ways by which GMO’s have been useful for enhanced crop output. (CBSE 2019, 2M)
3.	A corn farmer has perennial problem of corn-borer infestation in his crop. Being environmentally conscious he does not want to spray insectides. Suggest solution based on your knowledge of biotechnology. Write the steps to be carried out to achieve it. (CBSE 2019, 2M)
4.	“RNA interference has been used to produce transgenic tobacco plants to protect them from the infestation by specific nematodes.” Explain the novel strategy exploited by the biotechnologists. (CBSE 2023, 3M)
5.	An application of biotechnology in agriculture involves production of pest resistant plants using ‘cry’ genes from a bacterium. Name the bacterium. Explain why the ‘cry’ gene kills the pest but not the bacterium itself. (CBSE 2022, 3M)

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Science Subjects Table

Sub Areas of Chapter 10: Biotechnology and Its Applications

Chapter Name	Sub Topics
Biotechnology and Its Applications	10.1 Introduction
	10.2 Genetically Modified Organisms (GMOs)
	10.3 Applications of Biotechnology in Agriculture
	10.4 Applications of Biotechnology in Medicine
	10.5 Gene Therapy and Its Significance
	10.6 Biopesticides and Biofertilizers
	10.7 Production of Recombinant Vaccines
	10.8 Environmental Applications of Biotechnology

Review of NCERT Class 12 Biology Chapter 10

In NCERT Class 12 Biology Chapter 10, "Biotechnology and Its Applications", students explore the practical uses of biotechnology in agriculture, healthcare, and environmental conservation. This chapter discusses the development of genetically modified organisms (GMOs) to improve crop yield and resistance, along with their environmental and ethical implications. Students also study advancements in gene therapy, biopesticides, biofertilizers, and the production of recombinant vaccines, which address key health challenges.

By practicing MCQs and subjective questions, students can deepen their understanding of the role of biotechnology in addressing modern-day problems. Mastering this chapter is crucial for students interested in pursuing careers in biotechnology, medicine, and agricultural sciences.

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