Botany
BiomoleculesCell Cycle and Cell DivisionSexual Reproduction in Flowering PlantsMicrobes in Human WelfareAnatomy of Flowering PlantsTransport in PlantsMineral NutritionRespiration in PlantsBiotechnology: Principles and ProcessesBiodiversity and ConservationBiological ClassificationMorphology of Flowering PlantsPhotosynthesis in Higher PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionBiotechnology and It's ApplicationsOrganisms and PopulationsEnvironmental IssuesPlant KingdomPlant Growth and DevelopmentEcosystemZoology
Human Health and DiseasesBody Fluids and Its CirculationLocomotion and MovementStructural Organisation in AnimalsDigestion and AbsorptionExcretory Products and Their EliminationChemical Coordination and IntegrationHuman ReproductionAnimal KingdomEvolutionCell Cycle and Cell Division
Practice QuestionsMCQ (Single Correct Answer)
1
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.
| Column I | Column II | ||
|---|---|---|---|
| A. | Diakinesis | 1. | Crossing over takes place |
| B. | Pachytene | 2. | Terminalisation of chiasmata |
| C. | Zygotene | 3. | Chromosomes align at equatorial place |
| D. | Metaphase | 4. | Pairing of homologous chromosomes |
AIIMS 2018
2
Assertion Meiotic division occurs in reproductive cells.
Reason Synapsis occurs during zygotene of meiosis.
AIIMS 2018
3
Assertion In mitosis, two identical cells are produced from a single cell and karyokinesis is followed by cytokinesis.
Reason Cytokinesis is of two types, i.e. by cell-furrow method and cell-plate method.
AIIMS 2018