Question

Nucleosome given beaded appearance to chromosome. They help in packing of DNA in the chromosomes. A nucleosome has

A. About 2 turns of DNA
B. 8 histone molecules of 4 types (2 mols each of H2 a, H2 b, H3 and H4)
C. 200 nitrogen base pairs
D. All of the above  
Answer :   All of the above

Releted MCQ Question on
Botany >> Cell Cycle and Cell Divison

Releted Question 1

Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage $$\left( {{G_0}} \right).$$  This process occurs at the end of

A. $${{G_1}}$$ phase
B. $$S$$ phase
C. $${{G_2}}$$ phase
D. $$M$$ phase
View Answer
Releted Question 2

Identify the correct statement with regard to $${{G_1}}$$ phase (Gap 1) of interphase.

A. Reorganisation of all cell components takes place
B. Cell is metabolically active, grows but does not replicate its DNA
C. Nuclear Division takes place
D. DNA synthesis or replication takes place
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Releted Question 3

Cells in $${{G_0}}$$ phase:

A. exit the cell cycle
B. enter the cell cycle
C. suspend the cell cycle
D. terminate the cell cycle
View Answer
Releted Question 4

The correct sequence of phases of cell cycle is:

A. $$M \to {G_1} \to {G_2} \to S$$
B. $${G_1} \to {G_2} \to S \to M$$
C. $$S \to {G_1} \to {G_2} \to M$$
D. $${G_1} \to S \to {G_2} \to M$$
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Cell Cycle and Cell Divison

Practice More MCQ Question on Biology Section

BotanyThe Living WorldBiological ClassificationPlant KingdomMorphology of Flowering PlantsAnatomy of Flowering PlantsCell: The Unit of LifeCell Cycle and Cell DivisonTransport in PlantsMineral NutritionPhotosynthesis in Higher PlantsRespiration in PlantsPlant Growth and DevelopmentReproduction in OrganismsSexual Reproduction in Flowering PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionMicrobes in Human WelfareOrganisms and PopulationsEcosystemBiodiversity and ConservationEnvironmental IssuesBotany Miscellaneous
ZoologyAnimal KingdomStructural Organisation in AnimalsBiomoleculesDigestion and AbsorptionBreathing and Exchange of GasesBody Fluids and CirculationExcretory Products and Their EliminationLocomotion and MovementNeural Control and CoordinationChemical Coordination and IntegrationHuman ReproductionReproductive HealthEvolutionHuman Health and DiseasesBiotechnology: Principles and ProcessesBiotechnology and its ApplicationsZoology Miscellaneous