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1. The growth and reproduction of all organisms depend on
a. The division of cells and tissues
b. The division and enlargement of cells
c. The division & enlargement of cells and tissues
d. The enlargement of cells
2. Duration of cell cycle in a typical eukaryotic cell such as
human cell is about
a. 24 minutes b. 90 minutes
c. 24 hours d. 90 hrs
3. The two basic phases of cell cycle are
a. Mitosis & meiosis
b. Mitosis & Interkinesis
c. Interphase & M phase
d. G1 and G2 phase
4. The phase between two successive M phases is called
a. G1 phase b. Antephase
c. Karyokinesis d. Interphase
5. Three phases involved in interphase are
a. G1 phase, S phase, G2 phase
b. G1 phase, G2 phase, M phase
c. G1 phase, karyokinesis, cytokinesis
d. G1 phase, S phase, M phase
6. Select the false statement
a. Interphase lasts more than 95% of the duration
of cell cycle
b. Interphase includes cell division & DNA
synthesis
c. S phase is the second phase of interphase and is
the longest phase
d. In both G1 & G2 phases, synthesis of RNA and
proteins occurs
7. Which is correctly labelled?
a. A= G1 phase B= S phase C= G0 phase
D= G2 phase E= M phase
b. A= G0 phase B= S phase C= G1 phase
D= G2 phase E= M phase
c. A= M phase B= G0 phase C= G1 phase
D= S phase E= G2 phase
d. A= G0 phase B= G1 phase C= S phase
D= G2 phase E= M phase
8. Which of the following represents actual cell division?
a. G1 phase b. S phase
c. G2 phase d. M phase
9. The cells that do not divide further exit G1 phase and
enter an inactive stage called
a. Quiescent (G0) stage b. G2 phase
c. Synthetic (S) phase d. Early prophase
10. The cells that do not show division are
a. Epithelial cells, heart cells and megakaryocytes
b. Neurons, skeletal and cardiac muscle cells
c. Neurons, bone marrow cells and muscle cells
d. Hemocytoblasts, heart cells and epithelial cells
11. Given below are some statement regarding mitosis
Select the wrong one.
a. It is the cell division occurring in somatic cells
b. It is also called as equational division as the
number of chromosomes in the parent and
progeny cells is same.
c. It occurs only in diploid cells.
d. It helps to retain the same chromosome number
in all somatic cells.
12. The correct sequence of stages in karyokinesis is
a. Metaphase, Prophase, Telophase & Anaphase
b. Prophase, Metaphase, Anaphase & Telophase
c. Telophase, Prophase, Anaphase & Metaphase
d. Anaphase, Prophase, Telophase & Metaphase
13. The longest and shortest phases in mitosis is
a. Prophase and Anaphase respectively
b. Metaphase and Telophase respectively
c. Anaphase and Prophase respectively
d. Telophase and Metaphase respectively
14. In animal cells, during S phase, DNA replication begins
in the ------ and the centriole duplication in the ------
a. Nucleus, cytoplasm b. Nucleus, nucleus
c. Cytoplasm, nucleus d. Cytoplasm, cytoplasm
15. Match the following
A B
A. Prophase 1. Chromosomes at equator
B. Metaphase 2. Uncoiling of chromosomes
C. Anaphase 3. Condensation of chromosomes
D. Telophase 4. Chromatids move to opposite
poles
A B C D
a. 2 3 4 1
b. 4 3 2 1
c. 3 4 1 2
d. 3 1 4 2
16. Which of the following does not occur during late
prophase?
a. Each chromosome splits into two chromatids
attached together at the centromere
b. The nuclear envelope, nucleolus, Golgi
complexes & endoplasmic reticulum disappear
c. Chromosomes form two sister chromatids
d. Condensation of chromosomes continues
17. In animal cells, during late prophase, the centrioles
a. Move to opposite poles and radiate out astral
rays
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b. Move to equator and radiate out astral rays
c. Move to equator and radiate out spindle fibres
d. Move to opposite poles and start uncoiling of
chromosomes
18. Regarding prophase
1. Prophase is the first stage of mitosis
2. Prophase follows S and G2 phases of interphase
3. Prophase is marked by the initiation of condensation
of chromosomal material.
4. The centriole which had undergone duplication
during S phase of interphase, now begins to move
towards opposite poles of the cell
a. All are correct statements
b. Only 1,3 are correct statements
c. Only 2,4 are correct statements
d. Only 1,2,3 are correct statements
19. The spindle fibres disappear during
a. Prophase b. Metaphase
c. Anaphase d. Telophase
20. The figure given below represents
a. Transition to late Prophase
b. Transition to Metaphase
c. Transition to Anaphase
d. Transition to Telophase
21. Which of the following options gives the correct
sequences of events during mitosis?
a. Condensation → nuclear membrane disassembly
→ crossing over → segregation → telophase
b. Condensation → nuclear membrane disassembly
→ arrangement at equator → centromere
division → segregation → telophase
c. Condensation → crossing over → nuclear
membrane disassembly → segregation →
telophase
d. Condensation → arrangement at equator →
centromere division → segregation → telophase
22. Which of the following is not the significance of mitosis?
a. It produces diploid daughter cells with identical
genome
b. It helps to retain the same chromosome number
in all somatic cells
c. It restores the nucleo-cytoplasmic ratio that
disturbed due to cell growth
d. It causes genetic variation due to crossing over
in the population of organisms
23. Cytokinesis in plant cell is different from animal cell due
to the presence of
a. Large vacuole b. Cell wall
c. Chloroplasts d. All of these
24. Which is not occurring in cytokinesis of plants?
a. The vesicles formed from Golgi bodies
accumulate at the equator
b. Cell plate is formed
c. A cleavage furrow is appeared in the plasma
membrane
d. The cell plate becomes the middle lamella
25. Meiosis occurs during
a. Gametogenesis b. Body growth
c. Tissue repair d. Crossing over
26. Which of the following is not the key feature of meiosis?
a. It involves pairing of homologous chromosomes
and recombination between them.
b. It involves two cycles of DNA replication and
cell division.
c. Meiosis I begins after replication of parental
chromosomes to form identical sister
chromatids at the S phase
d. Four haploid cells are formed at the end of
meiosis II
27. Choose the correct sequence of events of Prophase I?
a. Zygotene, Leptotene, Diplotene, Pachytene &
Diakinesis
b. Pachytene, Diplotene, Leptotene, Zygotene &
Diakinesis
c. Diplotene, Leptotene, Zygotene, Pachytene &
Diakinesis
d. Leptotene, Zygotene, Pachytene, Diplotene &
Diakinesis
28. Match the following
A B
A. Leptonema 1. Fully condensed chromosomes
B. Zygonema 2. Crossing over
C. Pachynema 3. Synapsis
D. Diplonema 4. Long slender chromosomes
E. Diakinesis 5. Chiasmata
A B C D E
a. 2 3 5 1 4
b. 4 3 2 5 1
c. 5 4 1 2 3
d. 3 1 4 5 2
29. During zygotene, similar chromosomes start pairing
together. It is called
a. Crossing over b. Recombination
c. Synapsis d. Diakinesis
30. Each pair of homologous chromosomes is called a
a. Bivalent b. Tetrad
c. Chiasmata d. Diad
31. Crossing over is
a. The pairing of homologous chromosomes with
the help of a complex structure called
synaptonemal complex.
b. The exchange of genetic material between sister
chromatids of a chromosomes in presence of
recombinase.
c. The pairing of non-homologous chromosomes
with the help of a complex structure called
synaptonemal complex.
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d. The exchange of genetic material between non- sister chromatids of two homologous
chromosomes in presence of recombinase.
32. Kinetochore is located in
a. Centriole b. Centromere
c. Chromatids d. Lysosome
33. Recombination is completed by the end of
a. Zygotene b. Pachytene
c. Diplotene d. Diakinesis
34. This short stage between the two meiotic divisions is
called
a. Interphase b. Antephase
c. Interkinesis d. Cytokinesis
35. “Thin threaded” stage refers to
a. Leptotene b. Zygotene
c. Pachytene d. Diplotene
36. Number of chromatids at metaphase is
a. Two each in mitosis and meiosis
b. Two in mitosis and one in meiosis
c. Two in mitosis and four in meiosis
d. One in mitosis and two in meiosis
37. Total number of reproductive cells required for the
formation of 128 gametes in man is
a. 32 b. 64 c. 16 d. 128
38. Match the following
Column A Column B
1 Mitosis in plants a Inner cheek cells
2 Meiosis in plants b Grasshopper testis
3 Mitosis in animals c In plants
4 Meiosis in animals d Onion root tip
5 Cell plate formation e In animals
6 Cleavage furrow f Inhibits spindle fibres
leads to polyploidy
7 Colchicine g
Young flower buds in
tradescantia
a. 1-a, 2-b, 3-c, 4-d, 5-e, 6-f, 7-g
b. 1-d, 2-g, 3-c, 4-e, 5-b, 6-a, 7-f
c. 1-d, 2-g, 3-a, 4-b, 5-c, 6-e, 7-f
d. 1-d, 2-g, 3-a, 4-e, 5-c, 6-f, 7-b
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