CBSE
Multiple Choice QuestionsIn which stage of the first meiotic division, each chromosome undergoes longitudinal division to give rise to two sister chromatids ?
Zygotene
Diplotene
Diakinesis
Pachytene
In mitotic cell division, the division of centromere and the division of chromatid occurs between
anaphase and telophase
prophase and metaphase
telophase and interphase
anaphase and metaphase
Cell division cannot be stopped in which phase of the cell cycle?
G1- phase
G2- phase
S- phase
Prophase
Which of the following sequence is a correct one for meiotic cell cycle?
G1 S G2 M G1
G1 G2 S M G2
G2 G1 S M G2
S G1 G2 M S
Bivalents in meiosis are
tetrad
pairs of non-homologous chromosomes
pairs of several chromatids
pairs of homologous chromosomes
Which phase comes in between the G1 and G2 phases of cell cycle?
M - phase
G0 - phase
S - phase
Interphase
In which stage of cell division chromosomes are most condensed
Prophase
Metaphase
Anaphase
Telophase
In mitosis the duplication of chromosomes occurs during
early prophase
late prophase
interphase
late telophase
Chromosomes replicate in which stage of meiosis?
Prophase- I
Prophase- II
Telophase- I
Interphase
Spindle chromosomes have
centriole
kinetochore
chromocentre
chromomere
