Q101
Allen
3. PYQ
Match the Columns
Match Column-I with Column-II:
| Column-I | Column-II | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
A.
a-iv, b-ii, c-i, d-iii
B.
a-iv, b-i, c-ii, d-iii
C.
a-ii, b-iv, c-i, d-iii
D.
a-iii,b-ii, c-iv, d-i
Q102
Allen
3. PYQ
MCQ
Select the correct statements.
(A) Tetrad formation is seen during Leptotene.
(B) During Anaphase, the centromeres split and chromatids separate.
(C) Terminalization takes place during Pachytene.
(D) Nucleolus, Golgi complex and ER are reformed during Telophase.
(E) Crossing over takes place between sister chromatids of homologous chromosome.
Choose the correct answer from the options given below:
(A) Tetrad formation is seen during Leptotene.
(B) During Anaphase, the centromeres split and chromatids separate.
(C) Terminalization takes place during Pachytene.
(D) Nucleolus, Golgi complex and ER are reformed during Telophase.
(E) Crossing over takes place between sister chromatids of homologous chromosome.
Choose the correct answer from the options given below:
A.
B and D only
B.
A, C and E only
C.
B and E only
D.
A and C only
Q103
Allen
3. PYQ
MCQ
The dissolution of synaptonemal complex occurs during :
A.
Pachytene
B.
Diplotene
C.
Diakinesis
D.
Leptotene
Q104
Allen
3. PYQ
MCQ
Doubling of the number of chromosomes can be achieved by disrupting mitotic cell division soon after :
A.
Anaphase
B.
Telophase
C.
Prophase
D.
Metaphase
Q105
Allen
3. PYQ
MCQ
During which stages of mitosis and meiosis, respectively does the centromere of each chromosome split?
A.
Mataphase, Metaphase II
B.
Prophase, Telophase I
C.
Telophase, Anaphase I
D.
Anaphase, Anaphase II
Q106
Allen
3. PYQ
MCQ
Which one of the following is the quiescent stage of cell cycle?
A.
M
B.
$G_{2}$
C.
$G_{1}$
D.
$G_{0}$
Q107
Allen
3. PYQ
MCQ
Select correct sequence of substages of Prophase-I of Meiotic division:
(A) Zygotene (B) Pachytene
(C) Diakinesis (D) Leptotene
(E) Diplotene
(A) Zygotene (B) Pachytene
(C) Diakinesis (D) Leptotene
(E) Diplotene
A.
(D), (B), (A), (E), (C)
B.
(A), (B), (D), (E), (C)
C.
(D), (A), (B), (E), (C)
D.
(A), (D), (B), (C), (E)
Q108
Allen
3. PYQ
MCQ
Spindle fibers attach to kinetochores of chromosomes during
A.
Prophase
B.
Metaphase
C.
Anaphase
D.
Telophase
Q109
Allen
3. PYQ
MCQ
Given below are two statements:
Statement-I : Chromosomes become gradually visible under light microscope during leptotene stage.
Statement-II : The beginning of diplotene stage is recognized by dissolution of synaptonemal complex.
In the light of the above statements,
choose the correct answer from the options given below :
A.
Both Statement-I and Statement-II are true
B.
Both Statement-I and Statement-II are false
C.
Statement-I is true but Statement-II is false
D.
Statement-I is false but Statement-II is true
Q110
Allen
3. PYQ
Match the Columns
Match Column-I with Column-II :
| Column-I | Column-II | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
A.
a-iv, b-ii, c-iii,d-i
B.
a-i, b-ii, c-iv, d-iii
C.
a-ii, b-iv, c-i, d-iii
D.
a-iv, b-iii,c-ii, d-i
Q111
Allen
3. PYQ
MCQ
Following are the stages of cell division:
(A)Gap 2 phase
(B) Cytokinesis
(C) Synthesis phase
(D) Karyokinesis
(E) Gap 1 phase
(A)Gap 2 phase
(B) Cytokinesis
(C) Synthesis phase
(D) Karyokinesis
(E) Gap 1 phase
A.
C-E-D-A-B
B.
E-B-D-A-C
C.
B-D-E-A-C
D.
E-C-A-D-B
Q112
Allen
3. PYQ
MCQ
Recombination between homologous chromosomes is completed by the end of :
A.
Diakinesis
B.
Zygotene
C.
Diplotene
D.
Pachytene
Q113
Allen
3. PYQ
Match the Columns
Match Column-I with Column-II.
| Column-I | Column-II | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
A.
a-iii, b-i, c-iv, d-ii
B.
a-ii, b-i, c-iii, d-iv
C.
a-iii, b-i, c-ii, d-iv
D.
a-ii, b-iii,c-iv, d-i
Q114
Allen
3. PYQ
Match the Columns
Match Column-I with Column-II.
| Column-I | Column-II | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
A.
a-iv, b-ii, c-iii, d-i
B.
a-i, b-iii, c-iv, d-ii
C.
a-ii, b-i, c-iii, d-iv
D.
a-ii, b-iv, c-i, d-iii
Q115
Allen
4. ANALYTICAL QUESTIONS
MCQ
Which one is correct for $G_{0}$ stage?
(I) It is a quiescent stage.
(II) In this phase cell cycle is stopped
(III) $G_{0}$ cells do not proliferate but metabolically active
(IV) $G_{0}$ cells can divide in response to some stimulus
(I) It is a quiescent stage.
(II) In this phase cell cycle is stopped
(III) $G_{0}$ cells do not proliferate but metabolically active
(IV) $G_{0}$ cells can divide in response to some stimulus
A.
All are correct
B.
Only I, II, III are correct
C.
Only I, II are correct
D.
Only I and IV are correct
Q116
Allen
4. ANALYTICAL QUESTIONS
MCQ
Which of the following is not correctly matches a phase of the cell cycle with its function?
A.
Second gap phase Period of cytoplasmic growth
B.
First gap phase Most of the organelle duplication
C.
Interphase Phase of preparation for cell division
D.
DNA synthesis phase Doubling of number of chromosomes in cell
Q117
Allen
4. ANALYTICAL QUESTIONS
MCQ
Mark incorrect statements :-
(A) Meiosis involves only a single cycle of DNA replication
(B) Four haploid cells are formed at the end of meiosis-I
(C) Meiosis occurs in diploid cells
(D) In yeast, cell cycle takes about 90 minutes.
(A) Meiosis involves only a single cycle of DNA replication
(B) Four haploid cells are formed at the end of meiosis-I
(C) Meiosis occurs in diploid cells
(D) In yeast, cell cycle takes about 90 minutes.
A.
A and B
B.
A and C
C.
Only B
D.
All are correct
Q118
Allen
4. ANALYTICAL QUESTIONS
MCQ
Prophase-I of meiotic division is typically longer and more complex, it is subdivided into five phases, on the basis of :-
A.
Staining
B.
Behaviour of chromosomes
C.
Duration
D.
Number of chromosomes
Q119
Allen
4. ANALYTICAL QUESTIONS
MCQ
Arrange the following events of meiosis in the correct sequence -
(A) Terminalisation of chiasmata
(B) Crossing over
(C) Synopsis
(D) Disjunction of chromosomes
(E) Dissolution of synaptonemal complex
(A) Terminalisation of chiasmata
(B) Crossing over
(C) Synopsis
(D) Disjunction of chromosomes
(E) Dissolution of synaptonemal complex
A.
A → B → C → D → E
B.
E → D → C → B → A
C.
C → B → D → E → A
D.
C → B → E → A → D
Q120
Allen
4. ANALYTICAL QUESTIONS
MCQ
Identify the following diagram-
A.
Transition to Metaphase
B.
Transition to Anaphase-II
C.
Transition to Metaphase-I
D.
Transition to Anaphase
Q121
Allen
4. ANALYTICAL QUESTIONS
MCQ
The drawing below shows a cell whose diploid chromosome number is four. This cell is in:-
A.
Metaphase of mitosis
B.
Anaphase of mitosis
C.
First anaphase of meiosis
D.
Second anaphase of meiosis
Q122
Allen
4. ANALYTICAL QUESTIONS
MCQ
Label the structures indicated by (i), (ii), (iii) and (iv) in below given diagram –
A.
(i)-Chromatid, (ii)-Centriole,
(iii)-Centromere, (iv)-Chromosome
(iii)-Centromere, (iv)-Chromosome
B.
(i)-Chromosome, (ii)-Centriole,
(iii)-Centromere, (iv)-Chromatid
(iii)-Centromere, (iv)-Chromatid
C.
(i)-Chromatid, (ii)-Centromere,
(iii)-Centriole, (iv)-Chromosome
(iii)-Centriole, (iv)-Chromosome
D.
(i)-Chromosome, (ii)-Centromere,
(iii) Centriole, (iv)-Chromatid
(iii) Centriole, (iv)-Chromatid
Q123
Allen
4. ANALYTICAL QUESTIONS
MCQ
Interkinesis is stage between :-
A.
Two mitotic divisions
B.
Two phases of meiotic divisions
C.
Anaphase and telophase
D.
Leptotene and zygotene
Q124
Allen
4. ANALYTICAL QUESTIONS
MCQ
It is significant to note that in the 24 hour average duration of cell cycle of human cell, cell division proper lasts for only about:-
A.
Four hours
B.
90 minutes
C.
An hour
D.
10 hours
Q125
Allen
4. ANALYTICAL QUESTIONS
MCQ
In which stage of mitotic division, cells do not show Golgi complex, ER, nucleolus and nuclear envelope?
A.
Metaphase
B.
Late prophase
C.
Anaphase
D.
All of these