3
MCQ (Single Correct Answer)
Meiosis occurs in organisms during
A
sexul reproduction
B
vegetative reproduction
C
Both (a) and (b)
D
None of these
4
MCQ (Single Correct Answer)
During Anaphase-I of meiosis
A
homologous chromosomes separate
B
non-homologous autosomes separate
C
sister chromatids separate
D
non-sister chromatids separate
5
MCQ (Single Correct Answer)
Mitosis is characterised by
A
reduction division
B
equal division
C
Both (a) and (b)
D
pairing of homologous chromosomes
6
MCQ (Single Correct Answer)
A bivalent meiosis-I consists of
A
two chromatids and one centromere
B
two chromatids and two centromeres
C
four chromatids and two centromeres
D
four chromatids and four centromeres
7
MCQ (Single Correct Answer)
Cells which are not dividing are likely to be at
A
$\mathrm{G}_1$
B
$\mathrm{G}_2$
C
$\mathrm{G}_0$
D
S-phase