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MCQ for Full Syllabus Biology Cell Cycle and Cell Division
Full Syllabus Biology students should refer to the following multiple-choice questions with answers for Cell Cycle and Cell Division in Full Syllabus.
Cell Cycle and Cell Division MCQ Questions Full Syllabus Biology with Answers
Question: The sequence of events by which cells duplicate their genome, synthesize the other components of cell which eventually distribute into two daughter cells is called
- a) Cell cycle
- b) Kinetochore
- c) Generation time
- d) Quiescent stage
Answer: Cell cycle
Question: DNA replication occurs in
- a) S phase
- b) M phase
- c) G2 phase
- d) G1 phase
Answer: S phase
Question: The phase between the two successive M phase is called as
- a) Interphase
- b) Prophase
- c) Anaphase
- d) Metaphase
Answer: Interphase
Question: A biosynthetic phase where cell organelle duplicate itself is
- a) Interphase
- b) Anaphase
- c) Prophase
- d) Telophase
Answer: Interphase
Question: Yeast can progress through the cell cycle in about
- a) 90 min
- b) 90 hrs
- c) 90 yrs
- d) 90 sec
Answer: 90 min
Question: _________ represents the most active stage of the cell cycle
- a) Interphase
- b) Telophase
- c) Anaphase
- d) Metaphase
Answer: Interphase
Question: Interphase is called the resting phase because
- a) It does not involve any activity related to cell division
- b) It does not prepare cell for cell division
- c) It is the phase where cell rests before entering into mitosis
- d) It is the most active phase of the cell cycle
Answer: It does not involve any activity related to cell division
Question: _________ phase synthesizes enzymes required during S phase
- a) G1
- b) S
- c) M
- d) G2
Answer: G1
Question: Non-dividing cells enter the
- a) G0 phase
- b) S phase
- c) M phase
- d) G2 phase
Answer: G0 phase
Question: The cells which enter _________ phase start differentiating into specific types of cell
- a) G0
- b) S
- c) G2
- d) G1
Answer: G0
Question: If the initial amount of DNA is 8 C, then after S phase the amount of DNA would be
- a) 16 C
- b) 64 C
- c) 8 C
- d) 4 C
Answer: 16 C
Question: The number of chromosomes in G1 phase is 36, the number of chromosomes in S phase is
- a) 36
- b) 18
- c) 22
- d) 37
Answer: 36
Question: A phase of the cell cycle which lasts more than 95% of the total duration is
- a) Interphase
- b) Prophase
- c) Anaphase
- d) Telophase
Answer: Interphase
Question: Most dramatic period of cell cycle is
- a) M phase
- b) S phase
- c) G2 phase
- d) G1 phase
Answer: M phase
Question: Two daughter cells formed after mitosis are
- a) Identical to each other
- b) Irregular in size
- c) Non-identical to each other
- d) Non-identical to parents
Answer: Identical to each other
Question: A cell division in which a diploid somatic cell divides into two identical daughter cells is called
- a) Mitosis
- b) Cytokinesis
- c) Meiosis II
- d) Meiosis I
Answer: Mitosis
Question: Which type of cell division is called somatic cell division?
- a) Mitosis
- b) Reduction division
- c) Meiosis II
- d) Meiosis I
Answer: Mitosis
Question: Mitosis occurs in
- a) More than one option is correct
- b) Undifferentiated germ cells
- c) Meristematic cells
- d) Somatic cells
Answer: More than one option is correct
Question: The first phase of mitosis which follows interphase is
- a) Prophase
- b) Telophase
- c) Anaphase
- d) Metaphase
Answer: Prophase
Question: Initiation of condensation of chromatin material occurs in
- a) Prophase
- b) Anaphase
- c) Telophase
- d) Metaphase
Answer: Prophase
More Questions.......................................
Question: Mitotic spindle initiates during
- a) Prophase
- b) Metaphase
- c) Anaphase
- d) Telophase
Answer: Prophase
Question: Nucleolus and nuclear membrane disappear during
- a) Prophase
- b) Telophase
- c) Interphase
- d) Anaphase
Answer: Prophase
Question: The chromosomes are shortest and thickest during
- a) Metaphase
- b) Anaphase
- c) Telophase
- d) Interphase
Answer: Metaphase
Question: The chromosomes align at the equator during
- a) Metaphase
- b) Telophase
- c) Prophase
- d) Interphase
Answer: Metaphase
Question: Read the following statements
(a) Complete disintegration of the nuclear envelope marks the start of the second phase of mitosis.
(b) Metaphase chromosome is made up of one sister chromatid.
- a) Only (a) is correct
- b) Only (b) is correct
- c) Both (a) & (b) are correct
- d) Both (a) & (b) are incorrect
Answer: Only (a) is correct
Question: The morphology of the chromosomes is studied during
- a) Metaphase
- b) Interphase
- c) Prophase
- d) Telophase
Answer: Metaphase
Question: The point of attachment of microtubules on the chromosome is called as
- a) Kinetochore
- b) Chromatid
- c) Spindle
- d) Centromere
Answer: Kinetochore
Question: Chromosomes move towards the pole during
- a) Anaphase
- b) Telophase
- c) Metaphase
- d) Prophase
Answer: Anaphase
Question: The centromere splits during
- a) Anaphase
- b) Telophase
- c) Interphase
- d) Prophase
Answer: Anaphase
Question: The chromosomes cluster at opposite poles and their identity is lost as discrete elements during
- a) Telophase
- b) Anaphase
- c) Metaphase
- d) Prophase
Answer: Telophase
Question: The mitotic spindle disappears in
- a) Telophase
- b) Anaphase
- c) Metaphase
- d) Prophase
Answer: Telophase
Question: Decondensation of chromosomes occurs during
- a) Telophase
- b) Anaphase
- c) Metaphase
- d) Prophase
Answer: Telophase
Question: The nuclear envelope reassembles during
- a) Telophase
- b) Prophase
- c) Anaphase
- d) Metaphase
Answer: Telophase
Question: _________ phase marks the end of M-phase
- a) Cytokinesis
- b) Telophase
- c) Prophase
- d) Karyokinesis
Answer: Cytokinesis
Question: If karyokinesis is not followed by cytokinesis, then gives rise to
- a) Multinucleate condition
- b) Embryo
- c) Fertilised egg
- d) Zygote
Answer: Multinucleate condition
Question: A single cell containing large number of nuclei is called
- a) Syncytium
- b) Cell plate
- c) Monad
- d) Bivalent
Answer: Syncytium
Question: A type of cell division which reduces chromosome number to half is
- a) Meiosis
- b) Fragmentation
- c) Multiple fission
- d) Mitosis
Answer: Meiosis
Question: In meiosis-I, condensation and coiling of chromatin fibres started during
- a) Leptotene
- b) Metaphase
- c) Diakinesis
- d) Diplotene
Answer: Leptotene
Question: In pachytene, each tetrad contains
- a) Four chromatids
- b) Three chromatids
- c) One chromatid
- d) Two chromatids
Answer: Four chromatids
Question: Crossing over occurs during
- a) Pachytene
- b) Diplotene
- c) Leptotene
- d) Anaphase I
Answer: Pachytene
Question: The homologous chromosomes move towards the opposite poles during
- a) Anaphase I
- b) Anaphase II
- c) Leptotene
- d) Pachytene
Answer: Anaphase I
Question: _________ marks the site where crossing over had occurred
- a) Chiasmata
- b) Leptotene
- c) Synapsis
- d) Diakinesis
Answer: Chiasmata
Question: Terminalisation of chiasmata occurs during
- a) Prophase-I
- b) Metaphase-I
- c) Anaphase-I
- d) Telophase-I
Answer: Prophase-I
Question: Bivalent chromosomes align themselves at the equator during
- a) Metaphase I
- b) Prophase I
- c) Metaphase II
- d) Anaphase II
Answer: Metaphase I
Question: Major check point of cell cycle is
- a)
- b)
- c) Both
- d) None of these
Answer:
Question:
- a) G1 cyclin and cdc2 kinase
- b) Cyclin independent kinases
- c) Cyclins only
- d) Mitotic cyclin and cdc2 kinase
Answer: G1 cyclin and cdc2 kinase
Question: What will be the total number of mitotic divisions in the formation of 64 daughter cells?
- a) 63
- b) 16
- c) 32
- d) 6
Answer: 63
Question: If there are 30 chromosomes in G1 phase then what will be number of bivalents in zygotene stage?
- a) 15
- b) 45
- c) 60
- d) 30
Answer: 15
Question: What will be the amount of DNA in meiosis II products if meiocyte contains 30 Pg DNA in G1 phase?
- a) 15 Pg
- b) 120 Pg
- c) 60 Pg
- d) 30 Pg
Answer: 15 Pg
Question: Agglutination of chromosomes is caused by a mitotic poison called
- a) Mustard gas
- b) Ribonuclease
- c) Azide
- d) Chalones
Answer: Mustard gas
Question: Select an incorrect statement w.r.t. cell cycle
- a) Duplication of genes occurs twice in meiosis
- b) Karyokinesis occurs twice during meiotic division
- c) Cyclins are proteins that activate protein kinases to regulate the cell cycle
- d) After telophase-I, chromosome number is reduced to half
Answer: Duplication of genes occurs twice in meiosis
Question: Maturation promoting factor formation triggers the cell to cross
- a)
- b)
- c)
- d)
Answer:
Question: Cyclin Dependent Kinases (CDKs)
- a) Control various phases of cell cycle
- b) Cause disassembly of the microtubules
- c) Act as mitotic poisons
- d) Arrest cell division due to non-formation of spindle
Answer: Control various phases of cell cycle
Question:
- a) d only
- b) b, c & d
- c) b & c
- d) c & d
Answer: d only
Question: Which phase of interphase is the most important point in regulation of the cell cycle, during which it must decide whether the cell will start a new cycle or will enter in G0 phase?
- a) G1 phase
- b) S phase
- c) G2 phase
- d) Quiescent stage
Answer: G1 phase
Question:
How many of the above features are associated with synthesis phase of cell cycle?
- a) Five
- b) Four
- c) Six
- d) Three
Answer: Five
Question: Identify the mismatched pair
- a) B – Stage where cells are inactive metabolically
- b) A – Starts with karyokinesis and ends with cytokinesis
- c) C – Cell grows and carries out normal metabolism
- d) D – Period of cytoplasmic growth
Answer: B – Stage where cells are inactive metabolically
Question: The two daughter cells formed during mitosis contains
- a) The same amount of DNA and the same set of chromosomes as those of the parent cell
- b) The same amount of DNA but a set of chromosomes different from those of parental cells
- c) Double the amount of DNA and a set of chromosomes different from those of the parent cell
- d) Half the amount of DNA and the same set of chromosomes as those of the parent cell
Answer: The same amount of DNA and the same set of chromosomes as those of the parent cell
Question: Higher plants differ from animals in having
- a) Anastral mitosis
- b) Disappearance of nucleolus during prophase
- c) Spindle microtubule
- d) Kinetochores
Answer: Anastral mitosis
Question: Which of the following phases are longest and shortest in mitosis?
- a) Prophase, Anaphase
- b) Prophase, Telophase
- c) Metaphase, Anaphase
- d) Telophase, Anaphase
Answer: Prophase, Anaphase
Question: The period between two successive divisions is called
- a) Cellcycle
- b) Cell division
- c) Cell division
- d) None of these
Answer: Cellcycle
Question: What is the average cell cycle span of a human cell ?
- a) 24 Hrs
- b) 30 Hrs
- c) 20 Hrs.
- d) 17 Hrs.
Answer: 24 Hrs
Question: The chromosomes are distributed in two cells in half thir number is called
- a) Heterotypic division
- b) Cellcycle
- c) Cytokineis
- d) Mitosis
Answer: Heterotypic division
Question: During cell cycle DNA replication takes place in
- a) S - phase
- b) M - phase
- c) G2 - phase
Answer: S - phase
Question: During which of the following phase of mitosis asters appear round the centrioles ?
- a) Prophase
- b) Metaphase
- c) Anaphase
- d) Telophase
Answer: Prophase
Question: At Which sub stage of meiosis crossing over takes place ?
- a) Pachytene
- b) Diplotene
- c) Zygotene
- d) Leptotene
Answer: Pachytene
Question: During which of the following stage of division nuclear membrane and nucleolus reappear ?
- a) Telophase
- b) Anaphase
- c) Metaphase
- d) Prophase
Answer: Telophase
Question: What is average cell cycle span of a Yeast cell ?
- a) 90 min.
- b) 120 min.
- c) 85 min
- d) 70 min
Answer: 90 min.
Question: Interphase can be divided into how many sub phases ?
- a) 3
- b) 2
- c) 8
- d) 5
Answer: 3
Question: In how many phase the mitosis can be divided ?
- a) 4
- b) 8
- c) 3
- d) 5
Answer: 4
Question: The result of meiosis is the formation of
- a) 8 cells
- b) 6 cells
- c) 2 cells
- d) 4 cells
Answer: 8 cells
Question: The locations at which crossing over occurs are known as
- a) Chiasmata
- b) Centriole
- c) Kinetochore
- d) Centromere
Answer: Chiasmata
Question: Complete disintegration of nuclear membrane and nucleolus take place during which stage of mitosis ?
- a) Prophase
- b) Metaphase
- c) Anaphase
- d) Telophase
Answer: Prophase
Question: Which of the following structure will not be common to mitotic cell of a higher plant ?
- a) Centriole
- b) Spindle fibre
- c) Centromere
- d) Cell plate
Answer: Centriole
Question: How many mitotic division are needed for a single cell to make 128 cells ?
- a) 7
- b) 34
- c) 25
- d) 54
Answer: 7
Question: Series of cell division is
- a) prophase, metaphase, anaphase, telophase
- b) prophase, anaphase, metaphase, telophase
- c) prophase, metaphase, telophase, anaphase
- d) anaphase, metaphase, telophase, prophase
Answer: prophase, metaphase, anaphase, telophase
Question: Meiosis involves
- a) two nuclear division and one chromosome division
- b) two each nuclear and chromosome division
- c) one each nuclear and chromosome division
- d) one nuclear and two chromosomes division
Answer: two nuclear division and one chromosome division
Question: The sequence of cell cycle is
- a) G1, S, G2 and M
- b) M, G1, G2 and S
- c) S, M, G1 and G2
- d) None of these
Answer: G1, S, G2 and M
Question: Which of the correct order of phases in prophsae I ?
- a) Leptotene, zygotene, pachytene, diplotene, diakinesis
- b) Leptotene, diakinesis, pachytene, diplotene, zygotene
- c) Diakinesis, diplotene, pachytene, zygotene, leptotene
- d) Laptotene, pachytene, zygotene, diplotene, dikinesis
Answer: Leptotene, zygotene, pachytene, diplotene, diakinesis
Question: In how many cells the meiotic division has taken place, if the total number of gametes produced are 32 ?
- a) 8
- b) 32
- c) 16
- d) 4
Answer: 8
Question: Stomatal aperature is surrounded by guard cells and opens when guard cells are
- a) Turgid
- b) Flaccid
- c) Bean shaped
- d) Dumb-bell shaped
Answer: Turgid
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MCQs for Cell Cycle and Cell Division Biology Full Syllabus
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