PrepBharat

1. \[G_{1}\] phase is not characterized by
a) Continuous growth
b) Active metabolism
c) DNA replication
d) Non-replication of DNA

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2. S-phase is not characterized by
a) DNA duplication
b) No increase in chromosome number
c) DNA replication
d) Duplication of centriole in nucleus of eukaryotic animal cell

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3. What occurs continuously when cell is divided into \[G_{1}\], S and \[G_{2}\] phase?
a) DNA Replication
b) DNA Duplication
c) Centriole duplication
d) Growth of cell

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4. If a cell has 2n number of chromosome in G₁ phase, what is the number of chromosome in cell after S-phase?
a) n
b) 4n
c) 2n
d) 8n

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5. Identify A, B and C in the below diagram.

a) A–Interphase, B–Telophase, C–Anaphase
b) A–Anaphase, B–Telophase, C–Interphase
c) A–Telophase, B–Interphase, C–Anaphase
d) A–Interphase, B–Anaphase, C–Telophase

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6. The cells which do not divide enter ____ phase from \[G_{1}\] phase.
a) S-phase
b) Directly \[G_{2}\] -phase
c) \[G_{0}\] -phase
d) Any one of these

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7. \[G_{0}\] phase is characterized by
a) DNA duplication
b) Active metabolism
c) S-phase
d) M-phase

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8. Select the incorrect statement from the following:
a) In animals, mitotic cell division is only seen in the diploid somatic cells.
b) Plants can show mitotic division in both haploid and diploid cells.
c) In an adult’s heart, the cells does not divide.
d) All organisms starts their life cycle from multiple cell.

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9. Mitosis is further divided in ____ stages of cytoplasmic division?
a) 1
b) 2
c) 3
d) None of these

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10. Prophase is characterized by
a) Initiation of condensation of chromosomal material.
b) Centrioles moving towards opposite pole.
c) Initiation of the assembly of mitotic spindle.
d) All of these

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