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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 DevelopmentEcosystem
Zoology
Human Health and DiseasesBody Fluids and Its CirculationLocomotion and MovementStructural Organisation in AnimalsDigestion and AbsorptionExcretory Products and Their EliminationChemical Coordination and IntegrationHuman ReproductionAnimal KingdomEvolution
Plant Growth and Development
Practice Questions
MCQ (Single Correct Answer)
1

Assertion : Gibberellin is useful in early seed production in conifers.

Reason : Ethephon is responsible for early ripening in tomato and apple.

AIIMS 2019
2

Apical dominance is caused by

AIIMS 2018
3

Assertion : The quiescent centre acts as a reservoir of relatively resistant cells, which constitute a permanent source of active initials.

Reason : The cells of the inactive region of quiescent centre become active, when the previous active initials get damaged.

AIIMS 2018
4

Assertion Photomodulation of flower is phytochrome regulated process.

Reason Active form of phytochrome (Pfr) directly induces floral induction in shoot buds.

AIIMS 2018
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