Botany
Cell - The Unit of LifeBiomoleculesCell Cycle and Cell DivisionSexual Reproduction in Flowering PlantsMicrobes in Human WelfareAnatomy of Flowering PlantsMineral NutritionRespiration in PlantsBiotechnology: Principles and ProcessesBiodiversity and ConservationMorphology of Flowering PlantsPhotosynthesis in Higher PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceOrganisms and PopulationsEcosystemZoology
Human Health and DiseasesBody Fluids and Its CirculationLocomotion and MovementNeural Control and CoordinationReproduction in OrganismsStructural Organisation in AnimalsDigestion and AbsorptionExcretory Products and Their EliminationChemical Coordination and IntegrationHuman ReproductionAnimal KingdomBreathing and Exchange of GasesCell Cycle and Cell Division
Practice QuestionsMCQ (Single Correct Answer)
1
Which of the following statements about meiosis in sexually reproducing plants is INCORRECT?
IAT (IISER) 2024
2
A mitotic drug inhibits microtubule formation. Which one of the following stages of karyokinesis will be the first to get affected by the drug?
IAT (IISER) 2023
3
Let ' $X$ ' be the perpendicular distance from the centromere of each chromosome to the equatorial plane of a human cell. Which of the following stages of the cell cycle is most likely to have the HIGHEST average value of $X^{\prime}$ ?
IAT (IISER) 2022
4
$$ \text { Match the human cell types or (column I) to the number of chromatids (column II) } $$
| Column I | Column II | ||
|---|---|---|---|
| (a) | Col$$G_2 \text { phase cells } $$ |
(i) | 46 |
| (b) | $$ G_1 \text { phase cells } $$ |
(ii) | 92 |
| (c) | Spermatogonia (pre-replication) |
(iii) | 23 |
| (d) | Ovum | ||
IAT (IISER) 2020