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
8
MCQ (Single Correct Answer)
Which of the events listed below is not observed during mitosis?
A
Chromatin condensation
B
Movement of centrioles to opposite poles
C
Appearance of chromosomes with two chromosome joined together at the centromere
D
Crossing over
9
MCQ (Single Correct Answer)
Identify the wrong statement about meiosis
A
Pairing of homologous chromosomes
B
Four haploid cells are formed
C
At the end of meiosis the number of chromosomes are reduced to half
D
Two cycle of DNA replication occurs