Q1. Which type of cell division occurs in the apical and lateral meristem of plants?A. MitosisB. MeiosisC. Binary fissionD. Endomitosis
Q2. Which of the following statements about prophase is incorrect?A. Chromatin condenses into chromosomesB. Nuclear envelope remains intactC. Centrioles move to opposite polesD. Spindle fibers begin to form
Q3. Which event is unique to meiosis and does not occur in mitosis?A. Chromosome condensationB. Spindle fiber formationC. Crossing overD. Cytokinesis
Q4. Which of the following statements about meiosis is correct?A. Meiosis occurs in both diploid and haploid cellsB. Meiosis involves two rounds of cell divisionC. Meiosis results in the production of diploid cellsD. Meiosis does not contribute to genetic variation
Q5. During which phase of mitosis do spindle fibers attach to kinetochores?A. ProphaseB. MetaphaseC. AnaphaseD. Telophase
Q6. Which of the following statements about metaphase is incorrect?A. Chromosomes align at the metaphase plateB. Spindle fibers attach to kinetochoresC. Sister chromatids move to opposite polesD. Metaphase is the best stage to study chromosome morphology
Q7. Which of the following is incorrect about genetic variation in meiosis?A. Crossing over occurs during prophase IB. Independent assortment occurs during metaphase IC. Meiosis results in genetically identical cellsD. Genetic recombination occurs during meiosis
Q8. Which event marks the transition from prophase to metaphase in mitosis?A. Chromosome condensationB. Spindle fiber formationC. Nuclear envelope breakdownD. Cytokinesis
Q9. What is the primary function of the centromere during cell division?A. DNA replicationB. Protein synthesisC. Spindle fiber attachmentD. Nucleolus formation
Q10. Which of the following is correct about G2 phase?A. G2 phase occurs before the S phaseB. The cell checks for DNA replication errors in G2 phaseC. G2 phase is longer than G1 phaseD. DNA replication takes place in G2 phase