Cell Cycle and Cell Division Mock Test| Neet Botany Test Series Leave a Comment / Blog / By admin Chapter NameCell Cycle and Cell DivisionSubjectBiology(Botany) ExamNeet Medical Exam 8 Sorry! Time up Cell Cycle and Division - NEET (Botany) Learn more! Practice more! Score more!Best of Luck! 1 / 40 How many chromosomes will be present in each pollen grain, if pollen mother cell has 20 chromosome in G₂ phase? 10 5 20 40 2 / 40 Reduction in the number of chromosomes occur during Metaphase-I Anaphase-I Metaphase II Anaphase II 3 / 40 A cell has 4 picograms of DNA at G, phase. What will be the amount of DNA, if the cell enters the quiescent phase? 8 picogram 16 picogram 2 picogram 4 picogram 4 / 40 Find out the number of chromosomes in anaphase if a mitocyte has 20 chromosomes 20 40 10 80 5 / 40 Proteins required for spindle apparatus formation are synthesised during S phase G, phase G₂ phase M phase 6 / 40 If egg of an organism has 40 pg of DNA in its nucleus, how much DNA would a diploid coll of the same organism have in G, phase of meiosis? 20 pg 160 pg 80 pg 40 pg 7 / 40 Synapsis during meiosis is required for Transcription Crossing over Cytoplasmic cleavage Movement of chromosomes towards poles 8 / 40 G. phase of cell cycle Represents a phase where cells remain metabolically active but do not proliferate Is permanent for nerve cell Is non-dividing phase called quiescent stage All of the above 9 / 40 Enzyme recombinase is involved during Mitotic prophase Prophase-II Prophase-l Metaphase 10 / 40 Phases of mitosis which are opposite to each other are Anaphase and Telophase Telophase and Prophase Metaphase and Anaphase Prophase and Metaphase 11 / 40 Microtubules of the spindle fibres attach to the kinetochore during Prophase Metaphase Anaphase Telophase 12 / 40 Maturation promoting factor (MPF) is made up of Mitotic cyclin cdc 2 kinase G₂ cyclin Both (1) and (2) 13 / 40 Meiosis takes place in All diploid cells All diploid and haploid cells Only specialised diploid cells Specialised diploid and haploid cells 14 / 40 DNA content becomes double but ploidy of cell and chromosome number remain unaffected in phase of cell cycle in which Histone protein is formed Most of the cell organelles are duplicated Tubulin protein is formed Mitochondira is duplicated 15 / 40 Which of the following events is seen at the end of prophase of mitosis? Condensation of chromatin material Endoplasmic reticulum is present Nuclear envelope is present Golgi complex is present 16 / 40 Protein required for spindle apparatus formation is synthesised during G, phase G₂ phase S phase M phase 17 / 40 A yeast and a human cell completes cell cycle in and respectively 1440 minutes, 90 minutes 30 minutes, 60 minutes 90 minutes, 1440 minutes 60 minutes, 30 minutes 18 / 40 If there are 20 chromosomes in G, phase then what will be the chromosome number after S phase? 20 40 80 10 19 / 40 If karyokinesis is not followed by cytokinesis, then it gives rise to Zygote Fertilised egg Multinucleate condition Embryo 20 / 40 How many pairs of homologous chromosomes will be found in metaphase in a haploid cell having a total of 60 chromosomes? 120 30 60 10 21 / 40 Statement A: DNA content of a cell becomes 4C from 2C in S-phase.Statement B: DNA replication takes place in S. Both statements are true and the statement B is the correct explanation of the statement A Both statements are true but the statement B is not the correct explanation of the statement A Statement A is true but statement B is false Both statements are false 22 / 40 Morphology of chromosome and karyotype are most easily studied in Prophase Anaphase Metaphase Telophase 23 / 40 Which is incorrect with respect to meiosis? Twice duplication of centrioles in animal cell Single karyokinesis Chromosome number reduces to half in daughter cells Single cycle of DNA replication 24 / 40 Sister chromatids separate during Anaphase II Prophase II Metaphase II Telophase II 25 / 40 Centromere of chromosomes split and chromatids separate in Anaphase and anaphase I Anaphase and anaphase II Metaphase and anaphase I Anaphase and metaphase I 26 / 40 The phase between two successive M phases is G G₂ S Interphase 27 / 40 M-phase of cell cycle includes Karyokinesis Interphase Cytokinesis Both (1) & (3) 28 / 40 Pick out odd one with respect to cytokinesis in plant cell Cell plate formation Phragmoplast formation Centripetal Centrifugal 29 / 40 Which of the following is not the significance of mitosis? Helps in growth Helps in restoring nucleo-cytoplasmic ratio Brings out variation. Helps in healing and regeneration 30 / 40 All of these events occur during the diplotene stage, except Completion of crossing over Complete separation of homologous chromosomes after crossing over Dissolution of synaptonemal complex Chiasmata is visible 31 / 40 The number of bivalents is 30 in a cell. What will be number of chromosomes seen during Anaphase-Il at each pole? 15 30 60 10 32 / 40 Find the incorrect statement with respect to cell cycle Growth of cell occurs in all phases of a cell cycle Interphase is a phase between two successive M phases Interphase period differs from cell to cell Time period of G, phase is constant for all the cells of a species 33 / 40 The sequence of events by which a cell duplicates its genome, synthesizes other constituents of the cell and eventually divides into two daughter cells is called Cell division Karyokinesis Cell cycle Cytokinesis 34 / 40 Which event takes place in interkinesis? DNA replication Synthesis of centrosome Histone synthesis Nucleolus synthesis 35 / 40 During S-phase of cell cycle Replication of DNA takes place Synthesis of tubulin protein takes place Translation takes place Both (1) & (3) 36 / 40 Produces two daughter cells M phase in human lasts for of cell cycle. 60% 75% 40% <5% 37 / 40 Meiosis-Il differs from mitosis in that, it Occurs in haploid and diploid cells Both (1) and (2) Occurs in haploid and diploid cells Is not preceded by interphase 38 / 40 A diploid cell has 68 chromosomes. How many bivalents will be formed in this cell during Meiosis-I ? 68 34 136 14 39 / 40 Dictyotene is Suspended diplotene A transition phase between zygotene and pachytene Found in oocytes of some vertebrates Both (1) & (3) 40 / 40 Which of the following is not a feature of interphase? Cells prepare for cell division Period of intense synthesis and growth Hereditary material present in form of distinct chromosomes Cells spend 95% of total time in this phase Match the following column correctly 2 Your score isThe average score is 28% 0% Restart quiz