Practice CBSE Class 12 Biology Biotechnology and Its Applications MCQs Set 01 provided below. The MCQ Questions for Class 12 Chapter 10 Biotechnology and its Applications Biology with answers and follow the latest CBSE/ NCERT and KVS patterns. Refer to more Chapter-wise MCQs for CBSE Class 12 Biology and also download more latest study material for all subjects.
Test Your Skills: Class 12 Biology Chapter 10 Biotechnology and its Applications
Review these 50 questions and answers for Class 12 Biology to improve your problem-solving skills for Chapter 10 Biotechnology and its Applications.
Get Chapter 10 Biotechnology and its Applications MCQs for Class 12 Biology
Question : Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin ‘A’ deficiency?
a) ‘Flavr Savr’ tomato
b) Canolla
c) Golden rice
d) Bt-Brinjal
Answer : C
Question : Bacillus thuringiensis (Bt) strains have been used for designing novel
a) bio-fertilizers
b) bio-metallurgical techniques
c) bio-mineralization processes
d) bio-insecticidal plants
Answer : D
Question : The genetically-modified (GM) brinjal in India has been developed for
a) insect-resistance
b) enhancing shelf life
c) enhancing mineral content
d) drought-resistance
Answer : A
Question : Bt toxin kill the larvae of certain insects
a) by binding of activated toxin on mid gut epithelial cells, creating pores, leading to swelling and lysis.
b) by stopping transcription of larval cells.
c) by altering central dogma taking place in the cells of gut of larva.
d) by stopping protein synthesis.
Answer : A
Question : Cry protein is obtained from
a) Bacillus thuringiensis
b) Bacillus subtilis
c) Clostridium welchi
d) E. coli
Answer : A
Question : Cry-genes have been introduced in
a) cotton and corn
b) rice
c) potato and soyabean
d) all of the above
Answer : D
Question : Bt toxin is harmful to insects like
a) lepidoterans (tobacco budworm, armyworms)
b) coleopterans (beetles)
c) dipterans (flies and mosquito)
d) all of the above
Answer : D
Question : RNA interference (RNAi) technique has been devised to protect the plants from nematode is silenced by ______produced by the host plant
a) dsDNA
b) ssDNA
c) dsRNA
d) target proteins
Answer : C
Question : Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells)
a) both sense and anti-sense RNA.
b) a particular hormone.
c) an antifeedant.
d) a toxic protein.
Answer : A
Question : C-peptide of human insulin is
a) a part of mature insulin molecule.
b) responsible for formation of disulphide bridges.
c) removed during maturation of pro-insulin to insulin.
d) responsible for its biological activity.
Answer : C
Question : Bt cotton is not
a) Resistant to all pesticides
b) A bacterial gene expressing system
c) Insect resistant
d) A GM plant
Answer : A
Question : C-peptide of human insulin is
a) Removed during maturation of pro-insulin to insulin
b) Responsible for its biological activity
c) Responsible for formation of disulphide bridges
d) A part of mature insulin molecule
Answer : A
Question : GEAC stands for
a) Genetic Engineering Approval Committee
b) Genetic and Environment Approval committee
c) Ground Environment Action Committee
d) Genome Engineering Action Committee
Answer : A
Question : α - 1 antitrypsin is :
a) Used to treat emphysema
b) Used to treat arthritis
c) An enzyme
d) An antacid
Answer : A
Question : A probe which is a molecule used to locate specific sequences in a mixture of DNA or RNA molecules could be
a) Either RNA or DNA
b) Can be ss DNA but not ss RNA
c) A single stranded DNA
d) A single stranded RNA
Answer : A
Question : ———– is used as a vector for cloning into higher organisms
a) Retrovirus
b) Baculovirus
c) Salmonella typhimurium
d) All of these
Answer : A
Question : Which bacterium is used in the production of insulin by genetic engineering?
a) Escherichia
b) Mycobacterium
c) Rhizobium
d) Saccharomyces
Answer : A
Question : Restriction endonuclease is employed for cutting
a) Double strand DNA
b) RNA fragment
c) mRNA
d) A single strand DNA
Answer : A
Question : Production of human protein in bacteria by genetic engineering is possible because
a) Genetic code is universal
b) Bacterial cell can undertake RNA splicing
c) Mechanism of gene regulation is identical in humn and bacteria
d) None of these
Answer : A
Question : Some of the characteristics of Bt cotton are
a) High yield and production of toxic proteins ceystals which kill dipteran pests
b) High yield and resistance to bollworms
c) High yield and resistance to bollworms
d) All of these
Answer : A
Question : Choose the correct option regarding Retrovirus
a) An RNA virus that can synthesise DNA during infection
b) A DNA virus that can synthesise RNA during infection
c) A ssDNA virus
d) A dsRNA virus
Answer : A
Question : The site of production of ADA in the body is
a) Lymphocytes
b) Bone marrow
c) Blood plasma
d) Monocytes
Answer : A
Question : A protoxin is:
a) Inactive toxin
b) Toxin produced by protozoa
c) A denatured toxin
d) A primitive toxin
Answer : A
Question : Pathophysiology is the
a) Study of altered physiology of host
b) None of the above
c) Study of normal physiology of host
d) Study of physiology of pathogen
Answer : A
Question : The trigger for activation of toxin of Bacillus thuringiensis is
a) Alkaline pH of gut
b) Mechanical action in the insect gut
c) High temperature
d) Acidic pH of stomach
Answer : A
Question : Clot buster obtained from Streptococcus and modified by genetic engineering is
a) Streptokinase
b) Penicillin
c) Cyclosporin A
d) Statins
Answer : A
Question : Maturation of proinsulin into insulin takes place after
a) Maturation of proinsulin into insulin takes place after
b) Joining of c-peptide
c) Addition of disulphide bridge
d) Joining of c-peptide
Answer : A
Question : Restriction enzymes are also called
a) Molecular scissors
b) Carriers
c) Vectors
d) Molecular makers
Answer : A
Question : RNA interference helps in
a) Cell defence
b) Cell differentiation
c) Micropropagation
d) Cell proliferation
Answer : A
Question : Which of the following is the quality of improved transgenic basmati rice?
a) Gives high yield and is rich in vitamin A
b) Does not require chemical fertilizers and growth hormones
c) Resistant to insects and diseases
d) Resistant to insects and diseases
Answer : A
Question : The first human drug made using recombinant DNA technology was
a) glyphosatase
b) TPA
c) insulin
d) erythropoietin
Answer : C
Question : E. coli are used in production of
a) rifampicin
b) LH
c) ecdysone
d) interferon
Answer : D
Free study material for Biology
Multiple Choice Questions (MCQs) for Class 12 Biology Chapter 10 Biotechnology and its Applications
Chapter MCQs with Answers for Class 12 Biology
Utilize these MCQs for Chapter 10 Biotechnology and its Applications to test your mastery of the chapter efficiently. Formatted under recent CBSE guidelines for Class 12 Biology, these multiple-choice exercises support steady learning. Working through these objective questions daily leads to better academic performance.
Chapter 10 Biotechnology and its Applications NCERT Based Objective Questions
Our professional educators designed these Biology MCQs using the official NCERT book for Class 12, selecting questions from vital exam topics. Verify your work with our answers, and explore our specialist NCERT solutions for Class 12 Biology to completely master Chapter 10 Biotechnology and its Applications.
Interactive MCQ Tests for Class 12 Biology
Enhance your exam readiness by attempting the Class 12 Biology MCQ test hosted on our site at no cost. Regular engagement sharpens both speed and precision. Routine review of these Biology concepts ensures complete mastery over your entire syllabus.
FAQs
You can get most exhaustive CBSE Class 12 Biology Biotechnology and Its Applications MCQs Set 01 for free on StudiesToday.com. These MCQs for Class 12 Biology are updated for the 2026-27 academic session as per CBSE examination standards.
Yes, our CBSE Class 12 Biology Biotechnology and Its Applications MCQs Set 01 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the CBSE paper is now competency-based.
By solving our CBSE Class 12 Biology Biotechnology and Its Applications MCQs Set 01, Class 12 students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Biology.
Yes, Biology MCQs for Class 12 have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused CBSE exams.
Yes, you can also access online interactive tests for CBSE Class 12 Biology Biotechnology and Its Applications MCQs Set 01 on StudiesToday.com as they provide instant answers and score to help you track your progress in Biology.