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Biotechnology and its applications : NEET MCQ Questions

Are you looking for NEET MCQ Questions on Biotechnology and its applications? If Yes then you are at right place. Here you will find Biotechnology and its applications NEET MCQ Questions and Answers, Trivia, Quiz, Interview MCQ & Biotechnology and its applications Current Affairs for Competitive Exams like Neet exams, around 30% to 40% of Neet questions are asked from given Biotechnology and its applications Mcqs. as you know Questions and Ansers on Biotechnology and its applications MCQS is very important for Neet Exam. In this Biotechnology and its applications NEET section for Neet competition we are covering NEET MCQ Questions on Biotechnology and its applications

Contents

Question 1 : The broad-spectrum antibiotics chloramphenicol and erythromycin are produced by?

A. Streptomyces

B. Nitrobacter

C. Rhizobium

D. Penicillium

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Question 2 : Genetically engineered microbes used in oil spill bioremediation are a species of?

A. Pseudomonas

B. Trichoderma

C. Xanthomonas

D. Bacillus

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Question 3 : What does RNA interference involve?

A. Synthesis of mRNA from DNA

B. Synthesis of cDNA from RNA using reverse transcriptase

C. Silencing of specific mRNA due to complementary RNA

D. Interference of RNA in the synthesis of DNA

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Question 4 : What purpose has genetically modified (GM) brinjal been developed for in India?

A. insect-resistance

B. enhancing shelf life

C. enhancing mineral content

D. drought-resistance

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Question 5 : Where is the site of ADA production in the body?

A. Bone marrow

B. lymphocytes

C. blood plasma

D. Monocytes

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Question 6 : A gene can be silenced by using?

A. short interfering RNA (RNAi)

B. antisense RNA

C. by Both

D. None of the above

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Question 7 : Silencing of mRNA has been used to produce transgenic plants that are resistant to?

A. bollworms

B. nematodes

C. white rusts

D. bacterial blights

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Question 8 : In order to create an organism that could break down a variety of toxic wastes, scientists combined the genes of several bacteria to create one super bacterium. In order to create the super bacterium, they probably did not need which of the following?

A. Nucleic acid probes

B. F factors

C. Plasmids

D. Restriction enzymes

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Question 9 : Why are Pollen tablets available in the market?

A. In vitro fertilization

B. Breeding programmes

C. Supplementing food

D. Ex-situ conservation

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Question 10 : A transgenic crop of the future, golden rice has which of the following improved traits

A. High lysine (essential amino acid) content

B. Insect resistance

C. High protein content

D. High vitamin-A content

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Question 11 : Despite its effectiveness for improving overall growth and milk production in cattle, genetically engineered bovine growth hormone (BGH) is still a hotly debated topic because?

A. BGH is clearly hazardous to human health

B. BGH is an environmental hazard

C. BGH could drive traditional family farmers out of business

D. scientists remain unconvinced that BGH really works

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Question 12 : How is genetically engineered human insulin prepared?

A. E. coli

B. Rhizopus

C. Pseudomonas

D. Yeast

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Question 13 : Which of these is not a DNA fingerprinting application?

A. Solving immigration cases

B. Solving paternity cases

C. Therapy for curing SCID

D. Identifying gene mutation

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Question 14 : What is a transgenic food crop that may solve the problem of night blindness in developing countries?

A. golden rice

B. Bt soyabean

C. flavr – savr tomato

D. starlink maize

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Question 15 : What is golden rice?

A. a variety of rice grown along the yellow river in China

B. long-stored rice having yellow colour tint

C. transgenic rice having the gene for b-carotene

D. a wild variety of rice with yellow coloured grains

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Question 16 : What is the maximum number of existing transgenic animals of?

A. fish

B. mice

C. cow

D. pig

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Question 17 : Which of the following is produced commercially using genetically engineered bacteria?

A. thyroxine

B. human insulin

C. testosterone

D. penicillin

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Question 18 : Which of the following is commonly used to transfer foreign DNA into crop plants?

A. Meloidogyne incognita

B. Agrobacterium tumefaciens

C. Penicillium expansum

D. Trichoderma harzianum

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Question 19 : The prenatal screening of humans, the AIDS virus testing of humans, and genetic engineering to protect plants from insect attacks all

A. are types of gene therapy

B. are examples of the application of rDNA technology

C. require the use of the same restriction enzyme

D. are carried out using gene guns

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Question 20 : The first clinical gene therapy was used to treat

A. AIDS

B. Cancer

C. Cystic fibrosis

D. SCID (Severe Combined Immuno Deficiency) resulting from the deficiency of ADA

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Question 21 : What is an example of gene therapy?

A. Production of injectable hepatitis B vaccine

B. Production of vaccines in food crops like potatoes which can be eaten

C. Introduction of a gene for adenosine deaminase in persons suffering from severe combined Immunodeficiency

D. Production of test-tube babies by artificial insemination and implantation of fertilized eggs

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Question 22 : GM research and the safe introduction of GM organisms for public use in India is regulated by which government body?

A. Indian Council of Agricultural Research

B. Genetic Engineering Approval Committee

C. Research Committee on Genetic Manipulation

D. Bio-safety committee

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Question 23 : Which bacteria is generally used in genetic engineering?

A. Agrobacterium

B. Bacillus

C. Pseudomonas

D. Clostridium

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Question 24 : Flavr Savr is a transgenic variety of?

A. cotton

B. rice

C. tomato

D. potato

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Question 25 : What is Pathophysiology?

A. study of the physiology of pathogen

B. study of the normal physiology of a host

C. study of altered physiology of a host

D. None of these

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Question 26 : Which enzyme does Trichoderma secrete that is used in the biocontrol of fungal pathogens?

A. DNAase

B. RNAase

C. Chitinase

D. Cry protein

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Question 27 : In which of the following bacteria has the production of B12 vitamins been increased by 20,000 times through the use of biotechnology?

A. Ashbya gossypii

B. E. coli

C. Pseudomonas denitrificans

D. Propionibacterium shermanii

Show Answer

Question 28 : E. coli are used to produce?

A. Rifampicin

B. LH

C. Ecdysone

D. Interferon

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Question 29 : The transgenic plants are those that have?

A. no gene

B. genes in transposition

C. genes with no function to perform

D. genes of another organism

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Question 30 : The transgenic plants are those that have?

A. no gene

B. genes in transposition

C. genes with no function to perform

D. genes of another organism

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Question 31 : Which of the following is a variety of Brassica that is resistant to white rust?

A. Himgiri

B. Pusa Kamal

C. Pusa Swarnim (Karan rai)

D. Pusa Sadabahar

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Question 32 : Which one of the following vectors is used to replace the defective gene in gene therapy?

A. Ti plasmid

B. Adenovirus

C. Cosmid

D. Ri plasmid

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Question 33 : Why is genetically modified food not desirable?

A. allergies and toxicity may be caused

B. incorporation of antibiotic resistance in human beings

C. disturbance in metabolism due to enzyme for antibiotic resistance

D. All of the above

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Question 34 : What is the estimated number of varieties of rice in India?

A. 2,000

B. 20,000

C. 200,000

D. 2,000,000

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Question 35 : Which one of the following statements is true?

A. “Bt” in “Bt-cotton” indicates that it is a genetically modified organism produced through biotechnology

B. Somatic hybridization involves the fusion of two complete plant cells carrying desired genes

C. The anticoagulant hirudin is being produced from transgenic Brassica napus seeds

D. “Flavr Savr” variety of tomato has enhanced the production of ethylene which improves its taste

Show Answer

Question 36 : What is the source of cheese and yoghurt?

A. distillation

B. pasteurization

C. fermentation

D. dehydration

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Question 37 : Approximately how many varieties of rice are there in India?

A. 2,000

B. 20,000

C. 200,000

D. 2,000,000

Show Answer

Question 38 : Gene therapy involves replacing a defective gene with a vector. Which vector is used?

A. Ti plasmid

B. Adenovirus

C. Cosmid

D. Ri plasmid

Show Answer

Question 39 : When DNA fingerprinting is used in a criminal trial, what does a genetic “match” between the suspect and evidence left at the crime scene provide?

A. definitive proof that the suspect is guilty

B. a high probability that the suspect is guilty

C. a low probability that the suspect is guilty

D. definitive proof that the suspect is innocent

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Question 40 : What does GEAC stand for?

A. Genome Engineering Action Committee

B. Ground Environment Action Committee

C. Genetic Engineering Approval Committee

D. Genetic and Environment Approval Committee

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Question 41 : What is the main technique involved in agricultural biotechnology?

A. Tissue culture

B. Transformation

C. Plant breeding

D. DNA replication

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Question 42 : The cultivation of Bt cotton has been much in the news. Bt stands for

A. barium-treated cotton seeds

B. bigger thread variety of cotton with better tensile strength

C. produced by biotechnology using restriction enzymes and ligases

D. carrying an endotoxin gene from Bacillus thuringiensis

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Question 43 : What is the main objective of the production or use of herbicide-resistant GM crops?

A. eliminate weeds from the field without the use of manual labour

B. eliminate weeds from the field without the use of herbicides

C. encourage eco-friendly herbicides

D. reduce herbicide accumulation in food articles for health safety

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Question 44 : The crops engineered for glyphosate are resistant to what?

A. Bacteria

B. Insects

C. Herbicides

D. Fungi

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Question 45 : Which of the following is true about Bt toxin?

A. Bt protein exists as an active toxin in the Bacillus

B. The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication

C. The concerned Bacillus has antitoxins

D. The inactive protoxin gets converted into an active form in the insect gut

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Question 46 : Which of these is not related to bioweapons?

A. Bacillus anthracis

B. Clostridium botulinum

C. E. coli

D. Yersinia pestis

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Question 47 : Once released for cultivation, golden rice is a promising transgenic crop that helps in?

A. producing petrol like fuel from rice

B. alleviation of vitamin A

C. pest resistance

D. herbicide tolerance

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Question 48 : What is a tumour-inducing plasmid widely used in producing transgenic plants?

A. Escherichia coli

B. Bacillus thuringiensis

C. Staphylococcus aureus

D. Agrobacterium tumefaciens

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Question 49 : A product and the microorganism responsible for it are properly matched by which of the following?

A. Ethyl alcohol- Yeast

B. Acetic acid- Lactobacillus

C. Cheese – Nitrobacter

D. Curd – Azotobacter

Show Answer

Question 50 : What are DNA vaccines?

A. a mixture of hormones

B. recombinant vaccines

C. synthetic vaccines

D. pure DNA or RNA

Show Answer

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