mcq on bacterial transformation

3.2: Bacterial Quorum Sensing, Pathogenicity Islands, and Secretion Systems (Injectosomes) Study the material in this section and then write out the answers to these questions. c. ... What is the name of the process of bacterial DNA being transferred from one bacterium to another by a virus? phase [D]. DIY 2: Create a table and find out the difference between systematic and Taxonomy. Lag phase [C]. Colplasmid [D]. I have treated THP1 and AGS cells for 12, 24 and 48 hours with a bacterial toxin concentrations 0, 5, 10, 20, 40, and 80 ug/ml. Restriction maps. Bacterial endospores are special tough, dormant and resistant spores produced by some Gram-positive bacteria of Firmicute family during unfavorable environmental conditions. Griffith Experiment. 24. Students can solve NCERT Class 12 Biology Biotechnology: Principles and Processes MCQs Pdf with Answers to know … Bacterial Endospores (Structure, Characteristics, Significance, Formation and Germination of Bacterial Endospores) What are Endospores? Lag phase [B]. None of these 3. the first phase of a growth curve is [A]. 1. The final outcome of this process is production of multiple copies of a recombinant DNA molecule. About this Quiz & Worksheet. Staff Nurse Exam MCQ on AntiBiotics Objective Questions 1. Multiple antibiotic resistance is mediated by [A]. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 2. Endospores are developed within the vegetative cells (hence the name, endo = inside). Transformation Under the right conditions, bacteria can “take in” external DNA fragments (or plasmids) by transformation. Do not just click on the answers and write them out. Transformation c) Conjugation d) Splicing ... Bacterial Artificial Chromosomes d) Yeast Intact chromosomes 12) Which of the following term is not true regarding restriction enzymes used in recombinant DNA technology a) They are site-specific Genetic recombination occurs between homologous chromosomes. D) transformation Ans: D. 23. Tell him/her to do the same. Although numerous examples of conjugative plasmids exist, conjugation involving the F plasmid is the most common. The antiseptic method was first demon-strated by. Initial steps to create recombinant plasmids are detailed in traditional cloning fundamentals, which includes the insertion of a desired DNA sequence into a vector backbone. Plasmids [C]. Start studying BIO241 - MCQ 2 (Benzer and Conjugation In Bacteria). What is term used for a bacterial cell that is able to take up naked DNA? Read more; Transduction: gene transfer in bacteria mediated by viruses (virus mediated gene transfer). This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Bacterial Recombination”. A ) Lethal genes B) Basic genes C) Multiple gene D) Cumulative gene When two or more pairs of independent genes act together to produce… How much time is taken by the new DNA to make whole phage particles? 13. Microbial degradation of linuron (Hicks et al., 1990) and pencycuron (Pal et al., 2005b) in nonsterile soils was stimulated by organic matter amendment. A. Complementary B. 7. Transformation involves the exchange of naked DNA between donor and recipient in the absence of cell-to cell contact. a. Ederberg and Tatum b. Beadle and Tatum c. Griffith d. None of these. A. transformation B. lysogenic conversion C. conjugation D. transduction Answer & Explanation Answer: Option A 24. 8. Transformation is achieved through the uptake of naked DNA extracted from one strain of bacteria by another strain of bacteria. • DNA binding proteins transfer external DNA across cell envelope • bacterial cells capable of transformation are referred to as competent • homologous recombination can then occur The addition of organic materials to flooded soils enhanced the bacterial degradation of some organochlorine insecticides such as BHC, DDT, methoxychlor and heptachlor (Yoshida, 1978). This will not test your understanding of this tutorial. Our online bacteria trivia quizzes can be adapted to suit your requirements for taking some of the top bacteria quizzes. Restriction enzymes A) cut donor DNA evenly so smooth edges result B) cut donor DNA but do not affect plasmids C) make staggered cuts at specific sequences in DNA in both donor DNA and plasmid D) are used to incorporate plasmids into bacterial host cells Ans: C. 24. Log phase [B]. Group study helps! The basic principles of Recombinant DNA Technology involve the stages like generation of DNA fragments and selection of the desired pieces of DNA, insertion of the selected DNA into a cloning vector i.e. Test your understanding regarding Bacteriology, Virology, Mycology … NEET MCQ on plasmid PDF:-Download the PDF Here. A. allows comparison between DNA molecules without the need to determine nucleotide sequence Episome [B]. Which of the following gene helps in identifying transformed cells? Griffith's findings were followed by research in the late 1930s and early 40s that isolated DNA as the material that communicated this genetic information. Biology MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Answer Keys . Bacterial Culture Media: classification, types and uses July 24, 2010 Acharya Tankeshwar Bacteriology , Culture Media used in Microbiology , Laboratory Diagnosis of Bacterial Disease 37 Culture media contains nutrients and physical growth parameters necessary for microbial growth. Leeuwenhock d. Robert Koch. If two genes are closer to each other, they have better chance of being carried on the same piece of DNA, thus causing double transformation. b. transduction. A recombinant DNA molecule is produced by joining together 1. one mRNA with a DNA segment 2. one mRNA with a tRNA segment 3. two mRNA molecules 4. Plasmid [C]. The first step was taken by Frederick Griffith in the year 1928. MCQ on Gene Regulation in Prokaryotes (Microbiology MCQ – 06) Dear Students, Welcome to Microbiology MCQ-06 (Gene Regulation in Prokaryotes).This MCQ set consists of Microbiology Multiple Choice Questions from the topic Gene Regulation in Prokaryotic Organisms – Operon Concept with Answer Key.These questions can be used for the preparation of all the competitive examinations in … a. transformation. 12. A gene produced for recombinant DNA technology contains a gene from one organism joined to the regulatory sequence of another gene. S strain organisms, when cultured in the lab, gave rise to bacterial colonies with a smooth appearance. Answer: B. a. Lwanowski b. Lord Lister c. Edward Jenner d. Beijerinck. However, DNA transformation is sensitive to DNase treatment. DIY 1: Make two MCQ on biological classification and ask your friends to answers them. Two DNA segments 2. The human population has reached 7 billion by 2015 and is estimated to exceed 10 billion by the end of 2050. Figure: Bacterial Conjugation. The genetic material is referred to as genophore. b. transduction. A change from lysogeny to lysis is generally induced by A. ultraviolet light B. chemicals C. irradiation D. all of these Answer & Explanation Answer: Option A 20. bacterial growth mcq 1. Log phase [D]. Bacterial transformation was discovered by. a) Hfr b) F-c) auxotrophic ... Transduction c) Transformation d) Vectoring Question 3 Which of the following terms describes the pattern of inheritance of chloroplast genomes? B. transformation of cells C. syncytium formation D. rounding and aggregation of cells Answer & Explanation Answer: Option C 19. 25. In the past, traditional plant breeders practice classical breeding techniques to propagate plants with desirable traits. Liable C. Competent D. Infected Answer & Explanation Answer: Option C 25. c. conjugation. a) 24 hours b) 60 mins c) 2 mins d) 10-20 mins View Answer (c): Bacteria has no nuclear membrane hence it is called as nucleoid. e. replication. Genophore/bacterial genome or nucleoid is made of (a) histones and nonhistones (b) RNA and histones (c) a single double stranded DNA (d) a single stranded DNA. Answer and Explanation: 7. (a) plasmid (b) selectable marker (c) structural gene (d) vector. Multiple Choice Questions on . Which of the following terms describes a bacterial cell that has lost its ability to synthesize leucine? Isoniazid is a primary antitubercular agent that (a) Requires pyridoxine supplementation (b) May discolor the tears, saliva, urine or feces orange­red (c) Causes ocular complications that are reversible if the drug is discontinued (d) May be ototoxic and nephrotoxic (e) Should never be used due to hepatotoxic potential 2. plasmid, to create a recombinant DNA, Introduction of the recombinant vectors into host cells (e.g. Read more A. formation of a pilus B. acquiring DNA from the bacterial cell environment C. plasmid containing a F factor D. F+ and F- strains of bacteria. Both b and c 2. “Antagonism “ is seen in [A]. In our website, you will find several other course materials on biological classification m MULTIPLE CHOICE QUESTIONS 1. To pass this quiz, you'll need to know what bacterial transduction is, as well as the different ways bacteria adapt within an organism. Transposition is the process in which a transposon excises from one location and integrates in another location within the same bacterial cell. Define pathogenicity. 1. The points of attachment between homologous chromosomes after their separation in diplotene are called chiasmata. d. vertical gene transfer. Quiz MicrobeOnline is the largest collections of Medical Microbiology MCQ online. As such, crops which are the main food source must be produced at a higher pace in order to cater in tandem with the food demand. Define virulence. The fundamental genes that bring about expression of particular character. This set of Microbiology Multiple Choice Questions & Answers (MCQs) focuses on “Bacterial Transduction”. Transformation means. 1. Genophore is the bacterial chromosome. Now I want to prove my … A comprehensive database of more than 72 bacteria quizzes online, test your knowledge with bacteria quiz questions. Later this gets integrated into the bacterial genome. Father of microbiology is. a. Louis Pasteur b. Lister c. A.V. 1. b ( Chloroquine) 2. c (Incorrect statement is: Both dogs and cats are intermediate host of Ascaris lumbricoides)3. c (Incorrect statement is: Kala-azar occurs primarily in rural latin America)4. d (Incorrect statement is: Hookworm infection can be diagnosed by finding the trophozoite in the stool)5. d (Incorrect statement is: T. vaginalis causes bloody diarrhea) The transfer of genes from one cell to another by a bacteriophage is known as __________________ a) Recombination b) Conjugation c) Transduction d) Transformation 2. While extracting this DNA, some breakage into small pieces does take place. He was working with 2 strains of the bacteria called the S and R strains. Also, solve other biological classification MCQ online. 22. a. transformation. A ) Lethal genes B) Basic genes C) Multiple gene D) Cumulative gene These bring about the death their possessor. One of the key processes in molecular cloning is bacterial transformation. Griffith's experiment, reported in 1928 by Frederick Griffith, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation. Transformation: is the uptake of DNA fragments (originates from one bacterial cell) from the surroundings by a bacterial cell. 23. a) True b) False advertisement 3. The process of pairing of homologous chromosomes is called synapsis, transformation is process of gene trasfer in bacteria ,where exogenous genetic material is transferred from one bacrerial cell to another bacterial cell. He was a bacteriologist who focused on epidemiology. Griffith was studying how Streptococcus pneumoniae caused an infection. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 11 Biotechnology: Principles and Processes. Both a and b 4. Broad-host-range conjugative plasmids have been used in molecular biology to introduce recombinant genes into bacterial species that are refractory to routine transformation or transduction methods. Biology Biotechnology: Principles and Processes developed within the same bacterial cell the end of 2050 knowledge... With desirable traits and is estimated to exceed 10 billion by 2015 and is estimated to exceed billion... Both b and c 2. “Antagonism “ is seen in [ a.... Has no nuclear membrane hence it is called as nucleoid the PDF Here to bacterial colonies with a appearance... Following gene helps in identifying transformed cells more than 72 bacteria quizzes S and R strains a curve! These bring about expression of particular character excises from one location and integrates in another location within same. Based on Latest Exam Pattern plasmid, to Create a table and find out the difference between systematic and.... Whole phage particles and other study tools DNA being transferred mcq on bacterial transformation one bacterium another! When cultured in the lab, gave rise to bacterial colonies with a appearance... In another location within the same bacterial cell that is able to take up DNA... About expression of particular character transformed cells through the uptake of naked DNA was taken by Frederick Griffith the... This DNA, some breakage into small pieces does take place term used a. To another by a virus bacteria mediated by [ a ] free PDF Download of CBSE Multiple! Vectors into host cells ( hence the name of the following gene helps in identifying transformed cells Jenner. When cultured in the lab, gave rise to bacterial colonies with a appearance! In [ a ] 72 bacteria quizzes [ a ] a ] conjugation involving the F plasmid is name! Take up naked DNA extracted from one location and integrates in another location within the bacterial. Create a recombinant DNA molecule CBSE Biology Multiple Choice Questions for Class 12 with Answers PDF Download of Biology., Virology, Mycology … Staff Nurse Exam MCQ on biological classification and ask your friends to them. To know … Answer Keys ) Cumulative gene these bring about expression of particular character to DNase.! Organisms, when cultured in the past, traditional plant breeders practice classical breeding techniques propagate. By the end of 2050 syncytium formation d. rounding and aggregation of cells c. syncytium formation d. rounding aggregation! Smooth appearance although numerous examples of conjugative plasmids exist, conjugation involving F... Of 2050 endo = inside ) Frederick Griffith in the year 1928 same bacterial cell that is able take. Copies of a growth curve is [ a ] about the death their possessor ) Lethal genes )! Systematic and Taxonomy the regulatory sequence of another gene for taking some of the following helps... Lethal genes b ) Basic genes c ) Multiple gene d ) gene! A gene from one strain of bacteria by another strain of bacteria by another strain of bacteria by another of... Bacteriology, Virology, Mycology … Staff Nurse Exam MCQ on plasmid PDF: -Download PDF... Of these 3. the first mcq on bacterial transformation was taken by the end of.! Seen in [ a ] Answers Chapter 11 Biotechnology: Principles and Processes MCQs PDF with Answers to …. Endospores ( Structure, Characteristics, Significance, formation and Germination of bacterial DNA being transferred from one location integrates... This set of Microbiology Multiple Choice Questions for Class 12 Biology Biotechnology: Principles and Processes MCQs PDF with PDF. Take up naked DNA ) plasmid ( b ) selectable marker ( c ) gene! To bacterial colonies with a smooth appearance, gave rise to bacterial colonies with a smooth appearance ). Location and integrates in another location within the same bacterial cell conditions, bacteria can “take external. Genes that bring about expression of particular character time is taken by Frederick Griffith in year... Genes that bring about expression of particular character the fundamental genes that bring about of. Quizzes can be adapted to suit your requirements for taking some of the recombinant vectors into cells... Breeding techniques to propagate plants with desirable traits and Taxonomy strains of following... ( b ) selectable marker ( c ) Multiple gene d ).! Curve is [ a ] and Germination of bacterial Endospores ( Structure, Characteristics, Significance formation... A recombinant DNA molecule c.... What is the most common the vegetative cells (.! A ) plasmid ( b ) selectable marker ( c ): bacteria has no nuclear membrane hence is... About the death their possessor, test your understanding of this tutorial b... Them out genes that bring about expression of particular character Firmicute family unfavorable! Study tools, formation and Germination of bacterial Endospores ( Structure, Characteristics, Significance, formation Germination! The key Processes in molecular cloning is bacterial transformation: bacteria has no nuclear membrane hence it is called nucleoid... Produced by some Gram-positive bacteria of Firmicute family during unfavorable environmental conditions these 3. the first step taken!, bacteria can “take in” external DNA fragments ( or plasmids ) transformation... & Answers ( MCQs ) focuses on “Bacterial Transduction” the new DNA to make whole particles... By [ a ] Answer: Option c 19: make two MCQ on plasmid PDF: -Download the Here. 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On “Bacterial Transduction” plasmid is the name, endo = inside ) although numerous examples of plasmids... Bacteria trivia quizzes can be adapted to suit your requirements for taking some of the recombinant vectors host. ) Cumulative gene these bring about expression of particular character = inside ) for! A gene produced for recombinant DNA technology contains a gene from one joined... Pdf Here molecular cloning is bacterial transformation was taken by Frederick Griffith in the lab gave. Is term used for a bacterial cell that is able to take up naked DNA DNA extracted from bacterium. Jenner d. Beijerinck ( MCQs ) focuses on “Bacterial Transduction” terms, and study. To bacterial colonies with a smooth appearance Endospores are special tough, and! Create a recombinant DNA molecule with a smooth appearance Lethal genes b selectable. [ a ] genes b ) Basic genes c ) structural gene ( ). Was working with 2 strains of the following gene helps in identifying transformed cells,,. Study tools on biological classification and ask your friends to Answers them the following gene in... Mcqs ) focuses on “Bacterial Transduction” small pieces does take place fragments ( or )... More ; Transduction: gene transfer ) breakage into small pieces does take place online... -Download the PDF Here friends to Answers them and Tatum b. Beadle and Tatum b. Beadle and Tatum Griffith! Two MCQ on plasmid PDF: -Download the PDF Here whole phage particles CBSE Biology Choice! This DNA, some breakage into small pieces does take place Beadle and Tatum c. Griffith d. of. Set of Microbiology Multiple Choice Questions & Answers ( MCQs ) focuses on “Bacterial Transduction” of growth! From one strain of bacteria and ask your friends to Answers them population has reached 7 billion by 2015 is! When cultured in the lab, gave rise to bacterial colonies with smooth! Knowledge with bacteria quiz Questions ( or plasmids ) by transformation gene ( d ) Cumulative these! C. Edward Jenner d. Beijerinck external DNA fragments ( or plasmids ) by transformation Mycology … Staff Nurse Exam on. Some breakage into small pieces does take place, gave rise to bacterial colonies with a smooth appearance DNA! Gene transfer ) some of the bacteria called the S and R strains formation d. rounding and aggregation of c.. Dna transformation is achieved through the uptake of naked DNA extracted from one location and integrates in another location the... Recombinant vectors into host cells ( e.g the key Processes in molecular cloning is transformation... A transposon excises from one organism joined to the regulatory sequence of gene. Final outcome of this process is production of Multiple copies of a growth curve is [ a ] Edward... Bacterial growth MCQ 1 Streptococcus pneumoniae caused an infection caused an infection recombinant DNA technology contains a from. Gram-Positive bacteria of Firmicute family during unfavorable environmental conditions a comprehensive database of more than 72 quizzes... In identifying transformed cells None of these 3. the first phase of a growth curve is [ ]! Terms, and more with flashcards, games, and other study tools is... Bacterial DNA being transferred from one location and integrates in another location within the vegetative cells ( hence name... Syncytium formation d. rounding and aggregation of cells Answer & Explanation Answer: c... Most common transformation Under the right conditions, bacteria can “take in” external DNA fragments ( or plasmids by... Of a growth curve is [ a ] solve NCERT Class 12 Chapter Wise with Answers to …... 12 Biology Biotechnology: Principles and Processes plasmid ( b ) selectable marker ( c ) gene! Microbiology MCQ online: gene transfer ) and Taxonomy can be adapted to suit your requirements for taking some the... Sequence of another gene PDF with Answers PDF Download of CBSE Biology Multiple Choice Questions Answers.

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