1. During metaphase mitosis chromosomes
a) undergo coiling
b) line up at the equator
c) undergo breaking
d) break and disintegrate
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2. Number of chromatids at metaphase is
a) two each in mitosis and meiosis
b) Two in mitosis and one in meiosis
c) Two in mitosis and four inn meiosis
d) One in mitosis and two in meiosis
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3. Which is similar to Mitosis?
a) Meiosis I
b) Meiosis II
c) Both a and b
d) None of these
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4. How many mitotic divisions are needed for a single cell to make 128 cells?
a) 7
b) 14
c) 28
d) 32
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5. During cell division in apical meristem, the nuclear membrane appears in
a) Metaphase
b) Telophase
c) Anaphase
d) Cytokinesis
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6. Where Meiosis takes place?
a) Only in haploid individuals
b) Only in diploid individuals
c) Both in haploid and diploid individuals
d) None of these
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7. In which of the following stages of cell division, the DNA content is doubled?
a) G1 phase
b) G2 phase
c) Metaphase
d) S phase
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8. Amitosis is the usual process of cell division in
a) Meristematic cells
b) Prokaryotic cells
c) Eukaryotic cells
d) Spore mother cells
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9. During meiosis crossing over occurs at :
a) Diplotene
b) leptotene
c) Pachytene
d) Diakinesis
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10. The mechanism ensuring genetic continuity in mitosis is :-
a) Having of chromosome number between the two new cells
b) Formation of cells with 8 chromosomes
c) Formation of two daughter cells
d) Formation of two cells with identical kind of DNA