PrepBharat

1. Diploid somatic cells is divided by
a) Meiosis
b) Mitosis only
c) Both meiosis and mitosis.
d) None of these

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2. Cell division takes place when the cell
a) Is haploid
b) Becomes diploid
c) Attains optimum growth
d) Any time

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3. Before cell division, the entire DNA content of the cell gets doubled during interphase.This doubling takes place
a) Throughout the interphase
b) At the beginning of the interphase
c) At the end of the interphase
d) Somewhere during the middle of the interphase

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4. Cell cycle is divisible into
a) karyokinesis and cytokinesis
b) Interphase and prophase
c) Interphase and mitotic phase
d) M-phase and S-phase

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5. The correct sequence of stages in cell cycle is
a) \[G_{1}\], S, \[G_{2}\], M
b) \[G_{1}\], \[G_{2}\], S, M
c) M, S, \[G_{1}\], \[G_{2}\]
d) \[G_{2}\], \[G_{1}\], M, S

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6. Condensation of chromosome with visible centromere occurs during
a) \[G_{1}\] phase
b) \[G_{2}\] phase
c) S-phase
d) M-phase

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7. Synthesis of RNA and proteins takes place in
a) M-phase
b) S-phase
c) \[G_{1}\] phase
d) \[G_{1}\] and \[G_{2}\] phases

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8. Mitosis is
a) Karyokinesis
b) Cytokinesis
c) Reduction in chromosome number
d) Both (a) and (b)

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9. As compared to meiosis, in mitosis
a) Homologous chromosomes form pairs
b) Daughters have half chromosome number
c) Telophase stage is absent
d) Prophase is shorter

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10. The cellular structure which always disappears during mitosis or meiosis is
a) Plastids
b) Plasma membrane
c) Nucleolus and nuclear envelope.
d) None of these

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