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MCQs

Total Questions : 463 | Page 8 of 47 pages
Question 71. How do viruses spread from one plant cell to next?
  1.    vesicles
  2.    plasmodesmata
  3.    cell wall
  4.    nucleus
 Discuss Question
Answer: Option B. -> plasmodesmata
Answer: (b).plasmodesmata
Question 72. Phage that incorporates its genome in host genome is called
  1.    t4 phages
  2.    temperate phages
  3.    lytic phages
  4.    prophage
 Discuss Question
Answer: Option D. -> prophage
Answer: (d).prophage
Question 73. Which of following is not a breast cancer subtype?
  1.    luminal a
  2.    luminal b
  3.    her2
  4.    her3
 Discuss Question
Answer: Option D. -> her3
Answer: (d).her3
Question 74. How many T4 phage particles are released when host cell finally bursts?
  1.    up to 5
  2.    up to 200
  3.    up to 300
  4.    up to 1000
 Discuss Question
Answer: Option B. -> up to 200
Answer: (b).up to 200
Question 75. Rotavirus causes which of following diseases?
  1.    hemorrhage
  2.    diarrhea
  3.    chicken pox
  4.    common cold
 Discuss Question
Answer: Option B. -> diarrhea
Answer: (b).diarrhea
Question 76. Cro gene is an example of immunity repressor.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 77. Which of the following is the characteristic of repressor protein?
  1.    basic protein
  2.    acidic protein
  3.    basic protein,molecular weight of 26000
  4.    acidic protein,molecular weight of 26000
 Discuss Question
Answer: Option D. -> acidic protein,molecular weight of 26000
Answer: (d).acidic protein,molecular weight of 26000
Question 78. Which of the following gene codes for an enzyme which directs the insertion of the phage DNA into the bacterial chromosome?
  1.    recA gene
  2.    cro gene
  3.    int gene
  4.    gal gene
 Discuss Question
Answer: Option C. -> int gene
Answer: (c).int gene
Question 79. Epressor protein makes the cell resistant to lysis.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 80. Which of the following phage do not cause lysogeny?
  1.    T2
  2.    T1
  3.    lambda
  4.    P1
 Discuss Question
Answer: Option A. -> T2
Answer: (a).T2

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