Q.1.
Chromosome alignment and recompletion of nuclear division is called ... ...[ MPPMT 2012 ]
-
42%
a) Cytokinesis
-
12%
b) Cytomixis
-
45%
c) Karyokinesis
-
2%
d) Apomixis
Q.2.
In which stage the chromosomes appear thin and long thread-like ... ... [ BHU 2012 ]
-
19%
a) Zygotene
-
40%
b) Lepotene
-
12%
c) Pachytene
-
29%
d) Prophase
Q.3.
In plant cells, cytokinesis occurs by ... .... [ MPPMT 2000 ]
-
66%
a) Cell plate
-
4%
b) Invagination
-
9%
c) Furrowing
-
21%
d) All the above
Q.4.
Centriole replicates during ... ... [ BHU 2008 ]
-
47%
a) Interphase
-
18%
b) Early prophase
-
24%
c) Late prophase
-
12%
d) late telophase
Q.5.
G2 phase occurs between ... ... [ WB 2007 ]
-
24%
a) G1 and S
-
14%
b) M and S
-
53%
c) S and M
-
8%
d) G1 and M
Q.6.
Cross over takes place in ... ... [ MPPMT 2012 ]
-
15%
a) Mitotic cell
-
69%
b) Meiotic cell
-
15%
c) Mutating cell
-
2%
d) Amitotic cell
Q.7.
During cell cycle, RNA and proteins are synthesized in .. ..... [ MPPMT 1997 ]
-
22%
a) S -phase
-
11%
b) G1 -phase
-
41%
c) G2 -phase
-
26%
d) Both B and C
Q.8.
In animal cells, cytokinesis involves ... .... [ Pb PMT 2005 ]
-
38%
a) Separation of sister chromatid
-
33%
b) Contraction of ring of microfilaments
-
12%
c) Depolymerisation of kinetochore microtubules
-
17%
d) Protein kinase that phosphorylates other enzyme
Q.9.
Non-sister chromatid exchange segments during ... ... [ kerala 2009 ]
-
18%
a) Leptotene
-
18%
b) Diplotene
-
18%
c) Zygotene
-
45%
d) Pachytene
Q.10.
Bead-like thickened portions of leptotene chromosomes are ... ... [ AFMC 1993 ]
-
14%
a) Puffs
-
26%
b) Chromomere
-
43%
c) Centromere
-
17%
d) Genes
Q.11.
How many chromosomes will the cell have at G1, after S and after M-phase respectively if it has 14 chromosomes at interphase ... ... [ DPMT 2011 ]
-
28%
a) 7, 14, 14
-
55%
b) 14, 14, 14
-
12%
c) 14, 14, 7
-
5%
d) 7, 7, 7
Q.12.
hromosomes can be counted best at the stage of ... .... [ AIIMS 1992 ]
-
20%
a) Telophase
-
10%
b) Late Anaphase
-
60%
c) Metaphase
-
10%
d) Late Prophase
Q.13.
Meiosis occurs in ferns at the time of formation of ... ... [ Waedha 2001 ]
-
44%
a) Spores
-
44%
b) Gametes
-
10%
c) Protonema
-
3%
d) Prothallus
Q.14.
Number of DNA strands present in chromosomes during G2 phase is ... ... [ RPMT 2002 ]
-
3%
a) One
-
59%
b) Two
-
38%
c) Four
-
0%
d) Eight
Q.15.
When are chromatids/ chromosomes clearly visible in meiosis? ... ... [ WB 2011 ]
-
35%
a) Zygotene
-
24%
b) Diplotene
-
24%
c) Pachytene
-
18%
d) Diakinesis
Q.16.
In meiosis, centromere divides during ... ... [ MPPMT 2001 ]
-
15%
a) Prophase I
-
27%
b) Metaphase I
-
30%
c) Anaphase I
-
27%
d) Anaphase II
Q.17.
Given figure represents .. .. [ CBSE 2012 ]
-
47%
a) Prophase I
-
22%
b) Prophase II
-
14%
c) Prophase of mitosis
-
17%
d) Prophase and metaphase of mitosis
Q.18.
In mitosis, chromosome duplication occurs during ... .... [ BHU 2002 ]
-
72%
a) Interphase
-
16%
b) Prophase
-
6%
c) Late prophase
-
6%
d) late telophase
Q.19.
cycle, cell division gneet Study Companion NEET and AIIMS mcq on Cell cycle, cell division Q36) Select the correct option with respect to mitosis ... ... [ CBSE 2011]
-
12%
a) Golgi complex and endoplasmic reticulum are still visible at the end of prophase
-
16%
b) Chromatids separate but remain in the centre of cell in anaphase
-
56%
c) Chromosomes move to spindle equator and get aligned along equatorial plate in metaphase
-
16%
d) Chromatids start moving towards opposite poles in telophase
Q.20.
A bivalent in metaphase I consists of ... .... [ RPMT 2005 ]
-
28%
a) Two chromatids and one centromere
-
10%
b) Two chromatids and two centromere
-
59%
c) Four chromatids and two centromere
-
3%
d) Four chromatids and four centromere
Q.21.
In which stage of cell division chromosomes are most condensed ... ... [ WEB 2009 ]
-
60%
a) Prophase
-
20%
b) Metaphase
-
10%
c) Anaphase
-
10%
d) Telophase
Q.22.
Terminalisation occurs during ... ... [ CPMT 1995 ]
-
9%
a) Mitosis
-
69%
b) Diakinesis
-
12%
c) Meiosis II
-
9%
d) Cytokinesis
Q.23.
If mitotic division is restricted in G1 phase of cell, the condition is known as ... .... [ AIIMS 1997 ]
-
9%
a) G2 -phase
-
19%
b) S-phase
-
62%
c) G0 -phase
-
9%
d) N-phase
Q.24.
plant cells lack ...[ AMU 1998 ]
-
28%
a) Centriole
-
3%
b) Asters
-
12%
c) Spindle fibbers
-
56%
d) Both A and B
Q.25.
The term eumitosis is used for ....
-
26%
a) Mitosis in higher plants
-
19%
b) Mitosis in animal
-
33%
c) Mitosis where spindle is extranuclear
-
22%
d) Mitosis with intranuclear spindle
Q.26.
Chemical substances found most abundantly in the middle lamella is released into phragmoplast by ... ... [
-
26%
a) Spindle fragment
-
29%
b) Interzonal fibres
-
26%
c) Endoplasmic reticulum
-
19%
d) Golgi complex
Q.27.
Genome is ... ...
-
48%
a) Genes of haploid set of chromosomes
-
24%
b) Genes of diploid set of chromosomes
-
28%
c) A single chromosome
-
0%
d) None of the above
Q.28.
Crossing over results in ... ... [ CBSE 1998 ]
-
23%
a) Segregation of alleles
-
7%
b) Dominance of alleles
-
53%
c) Recombination of linked alleles
-
17%
d) Linkage between genes
Q.29.
A plant cell has 12 chromosomes at the end of mitosis. How many chromosomes would it have in the G2 phase of its next cell cycle ... .... [ Pb PMT 2005 ]
-
17%
a) 6
-
20%
b) 8
-
43%
c) 12
-
20%
d) 24
Q.30.
DNA/ chromosome replication/chromatid formation takes place during .. ... [ AFMC 2011 ]
-
6%
a) G1 - phase
-
26%
b) G2 - phase
-
52%
c) S -phase
-
16%
d) Prophase