Q.1: The Mitosis phase usually ends with ______________.
a) karyokinesis
b) cytokinesis
c) both
Q.2: Which of the following events characterize the anaphase stage ?
i) Chromatids move to opposite poles.
ii) Centromeres split and chromatids separate
iii) Spindle fibres attach to kinetochores of chromosomes.
a) only i
b) only iii
c) i and ii
Q.3: Nucleolus, golgi complex and ER reform during ___________.
a) Telophase
b) Metaphase
c) Anaphase
Q.4: Which of the following statements is incorrect regarding Mitosis ?
i) Mitosis is usually restricted to diploid cells only.
ii) The growth of multicellular organisms is due to mitosis.
iii) A very significant contribution of mitosis is cell repair.
a) i and iii
b) All
c) None
Q.5: During ___________ stage, chromosomes start pairing together.
a) leptotene
b) zygotene
c) pachytene
Q.6: _______________ enzyme mediates the crossing over of two homologous chromosomes.
a) recombinase
b) ligases
c) lyases
Q.7: Which of the following is/are the key features of Meiosis ?
i) Meiosis involves pairing of homologous chromosomes.
ii) Four haploid cells are formed at the end of Meiosis II.
iii) Meiosis involves two sequential cycles of nuclear and cell division.
a) i and iii
b) ii and iii
c) i, ii and iii
Answers:
Q.1: The Mitosis phase usually ends with ______________.
a) karyokinesis
b) cytokinesis
c) both
Q.2: Which of the following events characterize the anaphase stage ?
i) Chromatids move to opposite poles.
ii) Centromeres split and chromatids separate
iii) Spindle fibres attach to kinetochores of chromosomes.
a) only i
b) only iii
c) i and ii
Q.3: Nucleolus, golgi complex and ER reform during ___________.
a) Telophase
b) Metaphase
c) Anaphase
Q.4: Which of the following statements is incorrect regarding Mitosis ?
i) Mitosis is usually restricted to diploid cells only.
ii) The growth of multicellular organisms is due to mitosis.
iii) A very significant contribution of mitosis is cell repair.
a) i and iii
b) All
c) None
Q.5: During ___________ stage, chromosomes start pairing together.
a) leptotene
b) zygotene
c) pachytene
Q.6: _______________ enzyme mediates the crossing over of two homologous chromosomes.
a) recombinase
b) ligases
c) lyases
Q.7: Which of the following is/are the key features of Meiosis ?
i) Meiosis involves pairing of homologous chromosomes.
ii) Four haploid cells are formed at the end of Meiosis II.
iii) Meiosis involves two sequential cycles of nuclear and cell division.
a) i and iii
b) ii and iii
c) i, ii and iii
