MCQs For NCERT Class 11 Biology Chapter 10 Cell Cycle and Cell Division

Please refer to the MCQ Questions for Class 11 Biology Chapter 10 Cell Cycle and Cell Division with Answers. The following Cell Cycle and Cell Division Class 11 Biology MCQ Questions have been designed based on the latest syllabus and examination pattern for Class 11. Our experts have designed MCQ Questions for Class 11 Biology with Answers for all chapters in your NCERT Class 11 Biology book.

Cell Cycle and Cell Division Class 11 MCQ Questions with Answers

See below Cell Cycle and Cell Division Class 11 Biology MCQ Questions, solve the questions and compare your answers with the solutions provided below.

Question. Synapsis occurs between   
(a) mRNA and ribosomes
(b) spindle fibres and centromere
(c) two homologous chromosomes
(d) a male and a female gamete.

Question. Colchicine is an inhibitory chemical, which 
(a) stops the functioning of centriole
(b) prevents attaching of centromeres with rays
(c) prevents the spindle formation in mitosis
(d) prevents the formation of equatorial plane.

Question. In meiosis, the daughter cells differ from parent cell as well as amongst themselves due to   
(a) segregation, independent assortment and crossing over
(b) segregation and crossing over
(c) independent assortment and crossing over
(d) segregation and independent assortment.

Question. Meiosis I is reductional division. Meiosis II is equational division due to     
(a) pairing of homologous chromosomes
(b) crossing over
(c) separation of chromatids
(d) disjunction of homologous chromosomes.

Question. Match the following with respect to meiosis.   
(A) Zygotene (i) Terminalization
(B) Pachytene (ii) Chiasmata
(C) Diplotene (iii) Crossing over
(D) Diakinesis (iv) Synapsis
Select the correct option from the following
(A) (B) (C) (D)
(a) (iii) (iv) (i) (ii)
(b) (iv) (iii) (ii) (i)
(c) (i) (ii) (iv) (iii)
(d) (ii) (iv) (iii) (i)

Question. In meiosis crossing over is initiated at   
(a) zygotene
(b) diplotene
(c) pachytene
(d) leptotene.

Question. The stage of meiosis where centromere separate   
(a) metaphase I
(b) metaphase II
(c) anaphase I
(d) anaphase II

Question. Arrange the following events of meiosis in correct sequence   
(i) Crossing over (ii) Synapsis
(iii) Terminalisation of chiasmata
(iv) Disappearance of nucleolus
(a) (i), (ii), (iii), (iv)
(b) (ii), (iii), (iv), (i)
(c) (ii), (i), (iv), (iii)
(d) (ii), (i), (iii), (iv)

Question. During meiosis I, the chromosomes start pairing at   
(a) Leptotene
(b) Zygotene
(c) Pachytene
(d) Diplotene

Question. How many mitotic divisions are needed for a single cell to make 128 cells?   
(a) 7
(b) 14
(c) 28
(d) 64

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

Question. Which statement best explains the evolutionary advantage of meiosis?   
(a) Meiosis is necessary for sexual reproduction.
(b) Genetic recombinations are possible from generation to generation.
(c) Meiosis alternates with mitosis from generation to generation.
(d) The same genetic system is passed on from generation to generation. 

Question. The complex formed by a pair of synapsed homologous chromosomes is called   
(a) bivalent
(b) axoneme
(c) equatorial plate
(d) kinetochore.

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. Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to occur?   
(a) Chromosomes will be fragmented.
(b) Chromosomes will not segregate.
(c) Recombination of chromosome arms will occur.
(d) Chromosomes will not condense. 

Question. During meiosis I, the chromosomes start pairing at   
(a) zygotene
(b) pachytene
(c) diplotene
(d) leptotene.

Question. During gamete formation, the enzyme recombinase participates during   
(a) metaphase I
(b) anaphase II
(c) prophase I
(d) prophase II.

Question. The correct sequence in cell cycle is   
(a) S – G1 – G2 – M
(b) S – M – G1 – G2
(c) G1 – S – G2 – M
(d) M1 – G1 – G2 – S

Question. Colchicine prevents the mitosis of cells at which of the following stage?   
(a) Anaphase
(b) Metaphase
(c) Prophase
(d) Interphase

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

Question. When paternal and maternal chromosomes change their materials with each other in cell division this event is called   
(a) bivalent-forming
(b) dyad-forming
(c) synapsis
(d) crossing-over. 

Question. Which one of the following precedes reformation of the nuclear envelope during Mphase 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. In cell cycle, DNA replication takes place in ______ 
(a) G1 phase
(b) G2 phase
(c) Mitotic metaphase
(d) S phase

Question. Which phase of cell cycle is known as quiescent stage ?   
(a) M phase
(b) G0 phase
(c) G1 phase
(d) S phase

Question. Interphase includes all of the following except ______   
(a) G1 phase
(b) Anaphase
(c) S phase
(d) G2 phase

Question. Which of the following phase is called the resting phase during which cell is preparing for division by undergoing both cell growth and replication of DNA?   
(a) M – phase
(b) Prophase
(c) Go phase
(d) Interphase

Question. Which of the following phase follows S and G2 phases of interphase?   
(a) Prophase
(b) Metaphase
(c) Anaphase
(d) Telophase

Question. In mitosis, nucleolus and nuclear membrane disappear at   
(a) interphase
(b) prophase
(c) metaphase
(d) telophase

Question. What is the stage of mitosis in which chromosomes are arranged on the equator of spindle?   
(a) Anaphase
(b) Prophase
(c) Metaphase
(d) Telophase

Question. Best stage to observe shape, size and number of chromosomes is ______   
(a) interphase
(b) metaphase
(c) prophase
(d) telophase

Question. In anaphase of mitosis,   
(a) chromosomes get arranged in middle of cell.
(b) nuclear envelope disappears.
(c) chromosome fibres become clear.
(d) chromosomes aggregate at opposite poles to form daughter nuclei.

Question. Which of the following cellular structures always disappears during mitosis and meiosis?   
(a) Plastid and nuclear membrane
(b) Nucleolus and nuclear membrane
(c) Endoplasmic reticulum and mitochondria
(d) Endoplasmic reticulum and plasma membrane

Question. In meiosis, division is   
(a) Ist reductional and IInd equational.
(b) Ist equational and IInd reductional.
(c) both reductional.
(d) both equational.

Question. Interkinesis is a   
(a) stage between meiosis I and meiosis II.
(b) stage between two mitotic divisions.
(c) interphase.
(d) both (b) and (c)

Question. Synapsis occurs between 
(a) spindle fibres and centromeres.
(b) mRNA and ribosomes.
(c) a male and female gamete.
(d) two homologous chromosomes.

Question. During mitosis, nuclear envelope, nucleolous begin to form and ER to reappear at ______   
(a) prophase
(b) late metaphase
(c) anaphase
(d) telophase

Question. The synaptonemal complex appears   
(a) between homologous chromosomes.
(b) in zygotene stage.
(c) composed of DNA + protein.
(d) All of the above

Question. Chromosome synapsis or bivalent formation occurs in ______   
(a) leptotene
(b) zygotene
(c) pachytene
(d) diplotene

Question. Crossing over occurs between   
(a) sister chromatids of homologous chromosomes.
(b) non-sister chromatids of homologous chromosomes.
(c) sister chromatids of non-homologous chromosomes.
(d) non-sister chromatids of non-homologous chromosomes.

Question. Crossing over occurs during ______   
(a) leptotene
(b) pachytene
(c) diplotene
(d) diakinesis

Question. Which one of the following is most correct statement :
(a) Chromatin material tends to collect in a mass in the two poles
(b) Each set of chromatin material tends to collect at each of the two poles
(c) Each set of chromatin material tends to collect at metaphasic plate
(d) Chromatin material tends to collect in a mas at one pole

Question. In meiosis, centromeres of chromosomes divide during-
(a) anaphase of meiosis-II
(b) metaphase of meiosis-I
(c) anaphase of meiosis-I
(d) prophase of meiosis-II

Question. First gap phase in cell cycle is :-
(a) interval between mitotic phase and DNA replication phase
(b) interval between DNA replication phase and DNA separation phase
(c) interval between karyokinesis and cytokinesis
(d) interval between DNA replication phase and second gap phase

Question. Nuclear envelop develops around the chromosome clusters at :
(a) One pole
(b) Centre
(c) Each pole
(d) Pole as well as centre both

Question. If the n=16 in plant cell then what is possible in metaphase – I of meiosis ?
(a) 32 Bivalents
(b) 16 Telravalents
(c) 16 Bivalents
(d) 32 Bivalents

Question. Cytokinesis is :
(a) Formation of cell wall
(b) Formation of cell membrane
(c) Separation of nucleoplasm
(d) Separation of cytoplasm

Question. During G₂ – phase a diploid cell contains the amount of DNA equal to a :
(a) Diploid cell
(b) Tetraploid cell
(c) Haploid cell
(d) None of the above

Question. Which type of chromosome is present in the prophase of cell cycle?
(a) 2 chromatid
(b) 1 chromatid
(c) 4 chromatid
(d) 8 chromatid

Question. Telophase is :
(a) Final stage of karyokinesis
(b) Final stage of mitosis
(c) Mid stage of karyokinesis
(d) First stage of cytokinesis

Question. A cell that is entering the mitotic phase (M-phase) of cell cycle is :-
(a) always haploid and with duplicated chromosomes
(b) either haploid or diploid and with duplicated chromosomes
(c) either haploid or diploid and with duplicated or unduplicated chromosomes
(d) always diploid and with unduplicated chromosomes

Question. Assertion :- Yeast can progress through the cell cycle in only about 90 minutes.
Reason :- Duration of cell cycle can vary from organism to organism.
(a) If both Assertion&Reason are True&the Reason is a correct explanation of the Assertion.
(b) If bothAssertion&Reason are True butReason is not a correct explanation of the Assertion.
(c) If Assertion is True but the Reason is False.
(d) If bothAssertion&Reason are false.

Question. Assertion :- Kinetochore is essential for cell division.
Reason :- Kinetochores serve as the sites of attachment of spindle fibres to the chromosome.
(a) If both Assertion &Reason are True&the Reason is a correct explanation of the Assertion.
(b) If both Assertion &Reason are True but Reason is not a correct explanation of the Assertion.
(c) If Assertion is True but the Reason is False.
(d) If both Assertion &Reason are false. 

Question. Assertion :- Meiosis–I is most significant phenomenon from evolution point of view.
Reason :- Meiosis-I leads to reduction in chromosome so that consistancy of chromosome can be maintained.
(a) If both Assertion&Reason are True&the Reason is a correct explanation of the Assertion.
(b) If bothAssertion&Reason are True butReason is not a correct explanation of the Assertion.
(c) If Assertion is True but the Reason is False.
(d) If bothAssertion&Reason are false.

Question. Assertion : Small cells are metabolically less active 
Reason : K.I. of small cells is less.
(a) If both Assertion&Reason are True&the Reason is a correct explanation of the Assertion.
(b) If bothAssertion&Reason are True butReason is not a correct explanation of the Assertion.
(c) If Assertion is True but the Reason is False.
(d) If bothAssertion&Reason are false. 

Question. Assertion :- In anaphase number of chromosomes get doubled.
Reason :- During anaphase each chromosome split simultaneously and two daughter chromatids now referred to as chromosomes.
(a) If both Assertion&Reason are True&the Reason is a correct explanation of the Assertion.
(b) If bothAssertion&Reason are True butReason is not a correct explanation of the Assertion.
(c) If Assertion is True but the Reason is False.
(d) If both Assertion & Reason are false.

Question. Assertion :- In plant cells cell plate method is found for cytokinesis instead of cell furrow method.
Reason :- Plant cells are enclosed by a relatively inextensible cell wall.
(a) If both Assertion&Reason are True&the Reason is a correct explanation of the Assertion.
(b) If bothAssertion&Reason are True butReason is not a correct explanation of the Assertion.
(c) If Assertion is True but the Reason is False.
(d) If bothAssertion&Reason are false.

Question. Assertion :- Zygotene is characterised by formation of synaptonemal complex.
Reason :- Synaptonemal complex helps in synapsis of non homologous chromosomes.
(a) If both Assertion &Reason are True &the Reason is a correct explanation of the Assertion.
(b) If both Assertion &Reason are True but Reason is not a correct explanation of the Assertion.
(c) If Assertion is True but the Reason is False.
(d) If both Assertion &Reason are false.

Question. Assertion :- During S-phase, amount of DNA per cell doubles.
Reason :- During S-phase, there is no increase in chromosome number.
(a) If both Assertion&Reason are True&the Reason is a correct explanation of the Assertion.
(b) If bothAssertion&Reason are True butReason is not a correct explanation of the Assertion.
(c) If Assertion is True but the Reason is False.
(d) If bothAssertion&Reason are false.

Question. Assertion :- Cell growth results into division.
Reason :- Cell growth leads to change in nucleocytoplasmic ratio.
(a) If both Assertion&Reason are True&the Reason is a correct explanation of the Assertion.
(b) If both Assertion&Reason are True butReason is not a correct explanation of the Assertion.
(c) If Assertion is True but the Reason is False.
(d) If bothAssertion&Reason are false.

Question. Assertion :- Cells in quiscent stage (G₀) are metabolically inactive, so don’t show cell division.
Reason :- Quiscent stage appears on exit of cell from G₂ phase of cell cycle.
(a) If both Assertion &Reason are True & the Reason is a correct explanation of the Assertion.
(b) If both Assertion &Reason are True but Reason is not a correct explanation of the Assertion.
(c) If Assertion is True but the Reason is False.
(d) If both Assertion&Reason are false.