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MCQs

Total Questions : 26 | Page 2 of 3 pages
Question 11. The shortest of mitotic phases is the
  1.    anaphase
  2.    interphase
  3.    metaphase
  4.    telophase
 Discuss Question
Answer: Option A. -> anaphase
Question 12.  In the meiotic cell divison in daughter cells are produced by two successive division in which
  1.    first division is equational, second is reductional
  2.    first division is reductional and second is equational
  3.    both divisions are reductional
  4.    both divisions are equational
 Discuss Question
Answer: Option A. -> first division is equational, second is reductional
Question 13.  When do kinetochore microtubules pull chromosomes towards opposite spindle poles?
  1.    In anaphase A
  2.    In anaphase B
  3.    In metaphase
  4.    In telophase
 Discuss Question
Answer: Option A. -> In anaphase A
Question 14.  What is the approximate size (in kb) of the melon mitochondrial genome?
  1.    600 kilobase
  2.    1200 kilobase
  3.    2400 kilobase
  4.    3000 kilobase
 Discuss Question
Answer: Option C. -> 2400 kilobase
Question 15.  When an organism has a life cycle with alternation of generations, the haploid generation is the
  1.    zygote
  2.    gametophyte
  3.    gamete
  4.    sporophyte
 Discuss Question
Answer: Option B. -> gametophyte
Question 16.  In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be
  1.    1:2:1
  2.    3:1:1
  3.    1:3:1
  4.    1:1:2
 Discuss Question
Answer: Option A. -> 1:2:1
Question 17.  During meiosis crossing over takes place at
  1.    zygotene stage
  2.    diplotene stage
  3.    diakinesis stage
  4.    pachytene stage
 Discuss Question
Answer: Option D. -> pachytene stage
Question 18.  Which of the following transposable elements are not found in plants?
  1.    Ac
  2.    Tam3
  3.    L1
  4.    All are found
 Discuss Question
Answer: Option C. -> L1
Question 19.  A plasmid used to introduce BT toxin into a plant cell
  1.    carries an antibiotic resistance gene that makes the plant resistant to antibiotics
  2.    causes the plant to produce opines
  3.    is toxic for the plant cell
  4.    carries a bacterial gene with a plant promoter
 Discuss Question
Answer: Option D. -> carries a bacterial gene with a plant promoter
Question 20.  The homologous chromosomes follow the process of synopsis in the
  1.    leptotene
  2.    zygotene
  3.    pachytene
  4.    diplotene
 Discuss Question
Answer: Option B. -> zygotene

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