101. In which stage of meiosis the chromosomes appear thick and short and located near the periphery of nucleus

A Diakinesis
B Zygotene
C Pachytene
D Diplotene
Answer :   Diakinesis
Discuss Question

102. Number of Bar bodies in XXXXY is

A 1
B 2
C 3
D 4
Answer :   3
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103. Which of the following are mitotic poison

A Colchicine
B Mustard gas an Azides
C Cyanides
D All of the above
Answer :   All of the above
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104. Interzonal fibers occur in

A Prophase
B Early metaphase
C Lare prophase
D Anaphase
Answer :   Anaphase
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105. Gap between division phase and start of DNA - replication is called

A G1-phase
B G2-phase
C M-phase
D Interkinesis
Answer :   G1-phase
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106. In which stage of cell division the chromosomes are most condensed

A Prophse
B Meta phase
C Anaphase
D Telphase
Answer :   Meta phase
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107. The correct sequence of prophae-I of meiosis is

A Leptotene, pachtene zygotene, diplotene diakinesis
B Leptotene, diplotene, pachytene, zygotene, diakinesis
C Leptotene, zygotene, pachytene, diplotene diakinesis
D Leptotene, zygotene, diakinesis diplotene
Answer :   Leptotene, zygotene, pachytene, diplotene diakinesis
Discuss Question

108. In mitosis, splitting of chromatids upto the centromere takes place in

A Phrophase
B Metaphase
C Anaphase
D Telophase
Answer :   Metaphase
Discuss Question

109. Choose the correct option for the following events of meiosis in correct sequence:
(A) Crossing over
(B) Synapsis
(C) Terminalisation of chiasmata
(D) Disappearance of nucleolus

A B → A → C → D
B A → B → C → D
C A → B → D → C
D D → C → B → A
Answer :   B → A → C → D
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110. If you are provided with root-tips of onion in your class and are asked to count the chromosomes, which of the following stages can you most conveniently look into?

A Metaphase
B Telophase
C Anaphase
D Prophase
Answer :   Metaphase
Discuss Question

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