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MCQs

Total Questions : 232 | Page 23 of 24 pages
Question 221. Genetic engineering increases the effeciency and
  1.    Productivity
  2.    Metabolism
  3.    Meiosis
  4.    Mitosis
 Discuss Question
Answer: Option A. -> Productivity
Answer: (a).Productivity
Question 222. Milk production in cows is an example of
  1.    Continous variation
  2.    Co dominance
  3.    Discontinous variation
  4.    Co recessive
 Discuss Question
Answer: Option A. -> Continous variation
Answer: (a).Continous variation
Question 223. Fermenter are used to culture
  1.    Algae
  2.    Fungi
  3.    Virus
  4.    Bacteria
 Discuss Question
Answer: Option D. -> Bacteria
Answer: (d).Bacteria
Question 224. A genetic code is a message store in
  1.    Cell
  2.    Nucleus
  3.    Cytoplasm
  4.    Gene
 Discuss Question
Answer: Option D. -> Gene
Answer: (d).Gene
Question 225. Urea provides the source of nitrogen for
  1.    Bacteria
  2.    Virus
  3.    Plants
  4.    Animals
 Discuss Question
Answer: Option C. -> Plants
Answer: (c).Plants
Question 226. Genetic engineering is a technique used to transfer
  1.    Chromosome
  2.    Gene
  3.    Nucleus
  4.    Cell
 Discuss Question
Answer: Option B. -> Gene
Answer: (b).Gene
Question 227. An organism aqquires a foreign gene is called
  1.    Foreign organism
  2.    Transgenic organism
  3.    New organism
  4.    Genetic organism
 Discuss Question
Answer: Option B. -> Transgenic organism
Answer: (b).Transgenic organism
Question 228. Isoschizomers are defined as ___________
  1.    enzymes having same recognition sequence and always cutting at the same site
  2.    enzymes having same recognition sequence and always cutting at different site
  3.    enzymes having different recognition site and cutting at the same site
  4.    enzymes having same recognition site and they may or may not cut at the same site
 Discuss Question
Answer: Option D. -> enzymes having same recognition site and they may or may not cut at the same site
Answer: (d).enzymes having same recognition site and they may or may not cut at the same site
Question 229. Isocaudomers are defined as the enzymes which recognize different sequence but generate same ends. Which of the following pairs of enzymes can be termed as isocuadomers?
  1.    DpnI (GA|TC) and Sau3A (|GATC)
  2.    BamHI (G|GATCC) and Sau3A (|GATC)
  3.    DpnI (GA|TC) and BglII (A|GATCT)
  4.    XbaI (T|CTAGA) and BamHI (G|GATCC)
 Discuss Question
Answer: Option B. -> BamHI (G|GATCC) and Sau3A (|GATC)
Answer: (b).BamHI (G|GATCC) and Sau3A (|GATC)
Question 230. Which of the following statements is correct with respect to a unit of an enzyme?
  1.    One unit of enzyme is defined as the amount of enzyme required to digest 1miligram of standard DNA in a specific time of 1hr and under given temperature conditions
  2.    The amount of enzyme required doesn’t vary with the number of sites present in the DNA
  3.    If more number of sites is there in the DNA more units of enzyme are required in comparison to same amount of DNA with fewer sites
  4.    The amount of enzyme required for digestion of DNA with less number of sites is more than that of more number of sites in the same amount of DNA
 Discuss Question
Answer: Option C. -> If more number of sites is there in the DNA more units of enzyme are required in comparison to same amount of DNA with fewer sites
Answer: (c).If more number of sites is there in the DNA more units of enzyme are required in comparison to same amount of DNA with fewer sites

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