MCQ Question for Class 11 Biology Chapter 10 Cell Cycle and Cell Division

Students can refer to the following Cell Cycle and Cell Division MCQ Question for Class 11 with Answers provided below based on the latest curriculum and examination pattern issued by CBSE and NCERT. Our teachers have provided here collection of multiple choice questions for Chapter 1 Cell Cycle and Cell Division Class 11 Biology covering all topics in your textbook so that students can assess themselves on all important topics and thoroughly prepare for their exams

Cell Cycle and Cell Division MCQ Question Class 11 Biology with Answers

We have provided below Cell Cycle and Cell Division MCQ Question for Class 11 with answers which will help the students to go through the entire syllabus and practice multiple choice questions provided here with solutions. As MCQ Questions for Class 11 Biology pdf download can be really scoring for students, you should go through all problems provided below so that you are able to get more marks in your exams.

Cell Cycle and Cell Division MCQ Question for Class 11

Question. Identify the correct statement with regard to G1 phase (Gap 1) of interphase. 
(a) DNA synthesis or replication takes place.
(b) Reorganisation of all cell components takes place.
(c) Cell is metabolically active, grows but does not replicate its DNA.
(d) Nuclear division takes place. 

Question. Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G0). This process occurs at the end of   
(a) M phase
(b) G1 phase
(c) S phase
(d) G2 phase.

Question. Which of the following represents the best stage to view the shape, size and number of chromosomes?   
(a) Prophase
(b) Metaphase
(c) Interphase
(d) Telophase 

Question. Mitotic anaphase differs from metaphase in possessing   
(a) same number of chromosomes and same number of chromatids
(b) half number of chromosomes and half number of chromatids
(c) half number of chromosomes and same number of chromatids
(d) same number of chromosomes and half number of chromatids. 

Question. Cells in G0 phase   
(a) terminate the cell cycle
(b) exit the cell cycle
(c) enter the cell cycle
(d) suspend the cell cycle.

Question. The correct sequence of phases of cell cycle is 
(a) G1 → S → G2 → M
(b) M → G1 → G2 → S
(c) G1 → G2 → S → M
(d) S → G1 → G2 → M.

Question. During cell growth, DNA synthesis takes place on 
(a) S-phase
(b) G1-phase
(c) G2-phase
(d) M phase.

Question. A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has   
(a) twice the number of chromosomes and four times the amount of DNA
(b) four times the number of chromosomes and twice the amount of DNA
(c) twice the number of chromosomes and twice the amount of DNA
(d) same number of chromosomes but twice the amount of DNA.

Question. Select the correct option with respect to mitosis.   
(a) Chromatids separate but remain in the centre of the cell in anaphase.
(b) Chromatids start moving towards opposite poles in telophase.
(c) Golgi complex and endoplasmic reticulum are still visible at the end of prophase.
(d) Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.

Question. At metaphase, chromosomes are attached to the spindle fibres by their   
(a) satellites
(b) secondary constrictions
(c) kinetochores
(d) centromeres.

Question. During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C? 
(a) G0 and G1
(b) G1 and S
(c) Only G2
(d) G2 and M 

Question. In ‘S’ phase of the cell cycle   
(a) amount of DNA doubles in each cell
(b) amount of DNA remains same in each cell
(c) chromosome number is increased
(d) amount of DNA is reduced to half in each cell.

Question. At what stage of the cell cycle are histone proteins   
synthesized in a eukaryotic cell?
(a) During G2 stage of prophase
(b) During S-phase
(c) During entire prophase
(d) During telophase

Question. In the somatic cell cycle   
(a) in G1 phase DNA content is double the amount of DNA present in the original cell
(b) DNA replication takes place in S phase
(c) a short interphase is followed by a long mitotic phase
(d) G2 phase follows mitotic phase.

Question. Best material for the study of mitosis in laboratory is   
(a) anther
(b) root tip
(c) leaf tip
(d) ovary.

Question. Dissolution of the synaptonemal complex occurs during     
(a) pachytene
(b) zygotene
(c) diplotene
(d) leptotene.

Question. Spindle fibre unite with which structure of chromosomes? 
(a) Chromocentre
(b) Chromomere
(c) Kinetochore
(d) Centriole

Question. In which stage of cell cycle, DNA replication occurs?   
(a) G1-phase
(b) S-phase
(c) G2-phase
(d) M-phase

Question. Spindle fibres of mitotic cells are made up of 
(a) tubulin
(b) actin 
(c) myosin
(d) collagen

Question. When synapsis is complete all along the chromosome, the cell is said to have entered a stage called 
(a) zygotene
(b) pachytene
(c) diplotene
(d) diakinesis

Question. Which typical stage is known for DNA replication?   
(a) S-phase
(b) G2-phase
(c) metaphase
(d) G1-phase 

Question. In a somatic cell cycle, DNA synthesis takes place in   
(a) G1 phase
(b) prophase of mitosis
(c) S-phase
(d) G2 phase.

Question. During which stages (or prophase I substages) of meiosis do you expect to find the bivalents and DNA replication respectively?   
(a) Pachytene and interphase (between two meiotic divisions)
(b) Pachytene and interphase (just prior to prophase I)
(c) Pachytene and S phase (of interphase just prior to prophase I)
(d) Zygotene and S phase (of interphase prior to prophase I)

Question. Many cells function properly and divide mitotically even though they do not have   D
(a) plasma membrane
(b) cytoskeleton
(c) mitochondria
(d) plastids

Question. Spindle fibres attach on to   
(a) centromere of the chromosome
(b) kinetosome of the chromosome
(c) telomere of the chromosome
(d) kinetochore of the chromosome. 

Question. During mitosis, ER and nucleolus begin to disappear at   
(a) late prophase
(b) early metaphase
(c) late metaphase
(d) early prophase. 

Question. If you are provided with root-tips of onion in your class and are asked to count the chromosomes, which of the following stages can you most conveniently look into? 
(a) Metaphase
(b) Telophase
(c) Anaphase
(d) Prophase

Question. Crossing over takes place between which chromatids and in which stage of the cell cycle ?   
(a) Non-sister chromatids of non-homologous chromosomes at Zygotene stage of prophase I.
(b) Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I.
(c) Non-sister chromatids of homologous chromosomes at Zygotene stage of prophase I.
(d) Non-sister chromatids of non-homologous chromosomes at Pachytene stage of prophase I.

Question. The stage during which separation of the paired homologous chromosomes begins is 
(a) pachytene
(b) diplotene
(c) diakinesis
(d) zygotene.

Question. Which one of the following precedes reformation of the nuclear envelope during M phase of the cell cycle?   
(a) Decondensation from chromosomes and reassembly of the nuclear lamina
(b) Transcription from chromosomes and reassembly of the nuclear lamina
(c) Formation of the contractile ring and formation of the phragmoplast
(d) Formation of the contractile ring and transcription from chromosomes

Question. Mitotic spindle is mainly composed of which protein?   
(a) Actin
(b) Myosin
(c) Actomyosin
(d) Myoglobin

Question. Meiosis II performs 
(a) separation of sex chromosomes
(b) synthesis of DNA and centromere
(c) separation of homologous chromosomes
(d) separation of chromatids.

Question. 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.

Question. Microtubule is involved in the   
(a) muscle contraction
(b) membrane architecture
(c) cell division
(d) DNA recognition.

Question. How many mitotic divisions are needed for a single cell to make 128 cells?   
(a) 28
(b) 32
(c) 7
(d) 14 

Question. During cell division in apical meristem, the nuclear membrane appears in   
(a) telophase
(b) cytokinesis
(c) metaphase
(d) anaphase. 

Question. Which of the following is not a characteristic feature during mitosis in somatic cells?   
(a) Chromosome movement
(b) Synapsis
(c) Spindle fibres
(d) Disappearance of nucleolus

Question. During the metaphase stage of mitosis, spindle fibres attach to chromosomes at   
(a) kinetochore
(b) both centromere and kinetochore
(c) centromere, kinetochore and areas adjoining centromere
(d) centromere.

Question. Which of the following structures will not be common to mitotic cell of a higher plant?   
(a) Centriole
(b) Spindle fibre
(c) Cell plate
(d) Centromere 

Question. Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres :-
(a) Anaphase I
(b) Anaphase II
(c) Metaphase I
(d) Metaphase II

Question. 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 – Doubling of number of phase chromosome in cell

Question. Arrange the following events of meiosis in correct sequence :
(A) Crossing over
(B) Synapsis
(C) Terminalisation of chaismata
(D) Disappearance of nucleolus
(a) (B), (C), (D), (A)
(b) (B), (A), (D), (C)
(c) (B), (A), (C), (D)
(d) (A), (B), (C), (D)

Question. Which of the following options gives the correct sequence of events during mitosis ?
(a) Condensation → nuclear membrane disassembly → arrangement at equator → centromere division → segregation → telophase
(b) Condensation → crossing over → nuclear membrane disassembly → segregation → telophase
(c) Condensation → arrangement at equator → centromere division → segregation → telophase 
(d) Condensation → nuclear membrane disassembly → crossing over → segregation → telophase

Question. In ‘S’ phase of the cell cycle :-
(a) Amount of DNA doubles in each cell.
(b) Amount of DNA remains same in each cell.
(c) Chromosome number is increased.
(d) Amount of DNA is reduced to half in each cell.

Question. 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

Question. In meiosis crossing over is initiated at :
(a) Pachytene
(b) Leptotene
(c) Zygotene
(d) Diplotene

Question. The enzyme recombinase is required at which stage of meiosis :
(a) Pachytene
(b) Zygotene
(c) Diplotene
(d) Diakinesis

Question. Interphase includes :-
(a) G₀, G₁ , S, G₂
(b) Prophase, Metaphase, Anaphase, Telophase
(c) Cytokinesis
(d) Mitosis/M-phase

Question. During cell cycle in which phase normal components of cell are synthesized, and assembled?
(a) S
(b) G₂
(c) G₁
(d) M

Question. Which of the following is longest phase of the cell cycle ?
(a) Prophase
(b) Interphase
(c) Telophase
(d) M – phase

Question. Arrange the following events of meiosis in the correct sequence –
A. Terminalisation of chiasmata
B. Crossing over
C. Synapsis
D. Disjunction of chromosomes
E. Dissolution of synaptonemal complex
The correct sequence is-
(a) A → B → C → D → E
(b) E → D → C → B → A
(c) C → B → D → E → A
(d) C → B → E → A → D

Question. When cell has stalled DNA replication fork, which checkpoint should be predominantly activated?
(a) M
(b) Both G₂/M and M
(c) G₁ /S
(d) G₂/M

Question. The complex formed by a pair of synapsed homologous chromosomes is called :
(a) Axoneme
(b) Equatorial plate
(c) Kinetochore
(d) Bivalent

Question. During gamete formation, the enzyme recombinase participates during :-
(a) Prophase-I
(b) Prophase-II
(c) Metaphase-I
(d) Anaphase-II

Question. A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same  species, has :
(a) same number of chromosomes but twice the amount of DNA
(b) twice the number of chromosomes and four times the amount of DNA
(c) four times the number of chromosomes and twice the amount of DNA
(d) twice the number of chromosomes and twice the amount of DNA

Question. Spindle fibres attach on to :-
(a) Telomere of the chromosome
(b) Kinetochore of the chromosome
(c) Centromere of the chromosome
(d) Kinetosome of the chromosome

Question. At metaphase, chromosomes are attached to the spindle fibres by their :-
(a) Centromere
(b) Satellites
(c) Secondary constrictions
(d) Kinetochores

Question. In which phase of cell cycle the amount of DNA in a diploid cell become four times as compared to a haploid cell ?
(a) G₁
(b) S
(c) G₂, S & M
(d) G₀

Question. Match the stages of meiosis in Column–I to their characteristic features in Column–II and select the correct option using the codes given below : Codes :

a b c d
(a) ii iv iii i
(b) iv iii ii i
(c) iii iv ii i
(d) i iv ii iii

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