Biotechnology Principles and Processes Set 1

All India Pre Medical Test (AIPMT)

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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Biotechnology Principles and Processes Set 1

Q1 | Bam H I, ECo R I, Sal I are the types of
  • restriction endonucleasses
  • restraction endoxidases
  • restriction exonucleases
  • restriction polymerases
Answer: restriction exonucleases
Q2 | Retro viruses have genetic matetial which is
  • DNA
  • RNA
  • both DAN & RNA
  • proteins
Answer: RNA
Q3 | Genetic engineering is possile because
  • the phenomenon of transducation in bacteria is well understood
  • we can see DNA by electron microscope
  • we can cut DNA at specific sites by endonucleases like DNA ase I
  • restrication endonuclease purified from bacteria can be used in vitro
Answer: the phenomenon of transducation in bacteria is well understood
Q4 | Plasmids are the suitable vectors for genetic cloning as.....
  • they are indispendable
  • they are self replicating units
  • they are essential for bacterial reproducation
  • None of the above
Answer: they are self replicating units
Q5 | Which of the following is used in genetic engineering ?
  • Restrication endonuclease
  • Mycobacterium
  • Entameha
  • Pepsin
Answer: Restrication endonuclease
Q6 | The first hormone artificially produced by culturing bacteria is______
  • Insulin
  • thyroxine
  • Testosterone
  • Adrenaline
Answer: Insulin
Q7 | When the number of genes increases in response to some signal the effect is called.....
  • gene dosage
  • Gene pool
  • gene amplification
  • gene freaquency
Answer: gene amplification
Q8 | Which one of the following pairs is correctly matched ?
  • RNA polymerase - RNA primer
  • Restrication enzymes - Genetic engineering
  • Centeral dogma - codon
  • okazaki fragments - splicing
Answer: Restrication enzymes - Genetic engineering
Q9 | Plasmids are autonomously replicating mini chromosomes found in......
  • Bachterio phage lambda
  • Leishmania donovani
  • Escherichia coli
  • para moecium caudatum
Answer: Escherichia coli
Q10 | Improvement of genotype of an organism by addition of some foreigm gene is......
  • genetic diversity
  • gene handing
  • tissue cutlure
  • genetic engineering
Answer: genetic diversity
Q11 | Two bacteria found to be very useful in genetic engineering experiments are......
  • Nitrosomonas and Klebsiella
  • Escherichia and Agrobacterium
  • Nitrobacter and Azotobacter
  • Rhizobium and Diplococcus
Answer: Escherichia and Agrobacterium
Q12 | Restriction enzymes are isolated chielfy from.......
  • Algae
  • Fungi
  • Protozoans
  • Prokaryotes
Answer: Fungi
Q13 | There are special proteins that help to open up DNA double helix in front of the reaplication work . these proteins are........
  • DNA gyrase
  • DNA polymerase I
  • DNA ligase
  • DNA topoisomerase
Answer: DNA gyrase
Q14 | Technology which uses living components for the welfare of human being is.....
  • Biology
  • Botany
  • Bioinformatics
  • Biotechnology
Answer: Biotechnology
Q15 | Which prosess is involved in making bread cheese, beer and wine ?
  • Respiration / hydrolysis
  • Degradation
  • Fermentation
  • Decomposition
Answer: Fermentation
Q16 | EFB stands for ........
  • European Foudation of Biotechnology
  • European Foundation of Biology
  • European Foundation of Biotechnology
  • European Foundation of Biology
Answer: European Foundation of Biotechnology
Q17 | The organism whoes gene have been artificially altered for desired efect is called as.......
  • genetically mutant organism
  • gene transfer
  • genetically modified organism
  • Genetically transferred organism
Answer: genetically modified organism
Q18 | The sequence of DNA that reads the same backward and forward across the double strand is........
  • Recipient sequence
  • palindromic sequence
  • Replicate sequence
  • origin sequence
Answer: palindromic sequence
Q19 | How many restriction enzymes are known to be isolated ?
  • more than 800
  • more than 700
  • more than 600
  • more than 900
Answer: more than 700
Q20 | Which of the following step is necessary part of DNA recombination technology ?
  • Insertion of DNA fragment into vector
  • Insertion of vector into Bacteria
  • multiplication of the clones containing the recombination molecule
  • All the above
Answer: multiplication of the clones containing the recombination molecule
Q21 | Restriction enzymes belong to which class of enzymes ?
  • Nucleolase
  • Exo nucleases
  • Nucleases
  • Endonucleases
Answer: Exo nucleases
Q22 | A sequence of in a genome at which replication is intiated in .........
  • origin of relpication
  • selectable marker
  • cloning site
  • origin of restriction
Answer: selectable marker
Q23 | Genes which helps in the growth of transformants are .....
  • orgin of replication
  • cloning site
  • origin of restriction
  • selectable marker
Answer: orgin of replication
Q24 | Ti Plasmid is a cloning vector which works with
  • All the plants
  • Dicots only
  • Monocots only
  • Thallophytes only
Answer: Dicots only
Q25 | During which of the following techniques host cells are exposed to pulse of high voltage current ?
  • Electroporation
  • Particle Bombard ments
  • Micro injection
  • lipofection
Answer: Electroporation
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