Cell Cycle and Cell Division Class 11 MCQ is one of the best strategies to prepare for the CBSE Class 11 Board exam. If you want to complete a grasp concept or work on one’s score, there is no method except constant practice. Students can improve their speed and accuracy by doing more MCQ on Plant Kingdom Class 11, which will help them all through their board test.
Cell Cycle and Cell Division MCQ Question Class 11 Biology with Answers
Class 11 Biology MCQ with answers are given here to chapter 10 Cell Cycle and Cell Division. These MCQs are based on the latest CBSE board syllabus and relate to the latest Class 11 BIology syllabus. By Solving these Class 11 MCQs, you will be able to analyze all of the concepts quickly in the chapter and get ready for the Class 11 Annual exam.
Learn Class 11 Cell Cycle and Cell Division MCQs with answers pdf free download according to the latest CBSE and NCERT syllabus. Students should prepare for the examination by solving CBSE Class 11 Biology Cell Cycle and Cell Division MCQ with answers given below
Question 1. Which of the following represents the best stage to view the shape, size and number of chromosomes?
Question 2. 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 3. 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 4. 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 5. 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 6. 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 7. 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 8. During cell growth, DNA synthesis takes place on
(d) M phase.
Question 9. 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 10. 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 11. At metaphase, chromosomes are attached to the spindle fibres by their
(b) secondary constrictions
Question 12. 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 13. Best material for the study of mitosis in laboratory is
(b) root tip
(c) leaf tip
Question 14. Dissolution of the synaptonemal complex occurs during
Question 15. 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 16. 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 17. Spindle fibres of mitotic cells are made up of
Question 18. Spindle fibre unite with which structure of chromosomes?
Question 19. In which stage of cell cycle, DNA replication occurs?
Question 20. In a somatic cell cycle, DNA synthesis takes place in
(a) G1 phase
(b) prophase of mitosis
(d) G2 phase.
Question 21. When synapsis is complete all along the chromosome, the cell is said to have entered a stage called
Question 22. Which typical stage is known for DNA replication?
Question 23. 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 24. 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 25. Many cells function properly and divide mitotically even though they do not have D
(a) plasma membrane
Question 26. 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 27. During mitosis, ER and nucleolus begin to disappear at
(a) late prophase
(b) early metaphase
(c) late metaphase
(d) early prophase.
Question 28. 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?
Question 29. Mitotic spindle is mainly composed of which protein?
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Question 30. The stage during which separation of the paired homologous chromosomes begins is
Question 31. 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 32. Microtubule is involved in the
(a) muscle contraction
(b) membrane architecture
(c) cell division
(d) DNA recognition.
Question 33. Meiosis II performs
(a) separation of sex chromosomes
(b) synthesis of DNA and centromere
(c) separation of homologous chromosomes
(d) separation of chromatids.
Question 34. 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 35. Which of the following is not a characteristic feature during mitosis in somatic cells?
(a) Chromosome movement
(c) Spindle fibres
(d) Disappearance of nucleolus
Question 36. How many mitotic divisions are needed for a single cell to make 128 cells?
Question 37. During cell division in apical meristem, the nuclear membrane appears in
Question 38. 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 39. During the metaphase stage of mitosis, spindle fibres attach to chromosomes at
(b) both centromere and kinetochore
(c) centromere, kinetochore and areas adjoining centromere
Question 40. Which of the following structures will not be common to mitotic cell of a higher plant?
(b) Spindle fibre
(c) Cell plate
Question 41. 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 42. 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 43. Arrange the following events of meiosis in correct sequence :
(A) Crossing over
(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 44. In meiosis crossing over is initiated at :
Question 45. 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 46. 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 46. During cell cycle in which phase normal components of cell are synthesized, and assembled?
Question 47. The enzyme recombinase is required at which stage of meiosis :
Question 48. Interphase includes :-
(a) G0, G1 , S, G2
(b) Prophase, Metaphase, Anaphase, Telophase
Question 49. When cell has stalled DNA replication fork, which checkpoint should be predominantly activated?
(b) Both G2/M and M
(c) G1 /S
Question 50. Which of the following is longest phase of the cell cycle ?
(d) M – phase
Question 51. Arrange the following events of meiosis in the correct sequence –
A. Terminalisation of chiasmata
B. Crossing over
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 52. 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 53. The complex formed by a pair of synapsed homologous chromosomes is called :
(b) Equatorial plate
Question 54. During gamete formation, the enzyme recombinase participates during :-
Question 55. In which phase of cell cycle the amount of DNA in a diploid cell become four times as compared to a haploid cell ?
(c) G2, S & M
Question 56. 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 57. At metaphase, chromosomes are attached to the spindle fibres by their :-
(c) Secondary constrictions
Question 58. Match the stages of meiosis in ColumnI to their characteristic features in ColumnII and select the correct option using the codes given below : Codes :
|a||Pachytene||i||Pairing of homologous chromosomes|
|b||Metaphase-I||ii||Terminalization of chiasmata|
|c||Diakinesis||iii||Crossing over takes place|
|d||Zygotene||iv||Chromosomes align at equatorial plate|
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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In Class 11 chapter 10 BIology, we have provided 58 Important MCQ Questions, But in the future, we will add more MCQs so that you can get good marks in the Class 11 exam.
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Yes, MCQ Question is one of the best strategies to make your preparation better for the CBSE Board Exam. It also helps to know the student’s basic understanding of each chapter. So, You can score good marks in the Class 11 BIology exam.