21. Meiosis is evolutionary significant because it result in

A genetically similar daughters
B four daughter cells
C eggs and sperms
D recombinations
Answer :   recombinations
Discuss Question

22. In animals active mitosis can be observed

A At the base of nails
B At the apex of hairs
C Dermis of skin
D Glans
Answer :   At the base of nails
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23. Is SAT chromosome, ST (Satellite) in terminal part of chromosome beyond secondary contraction. It contains

A DNA
B RNA
C Repetitive DNA
D None of the above
Answer :   Repetitive DNA
Discuss Question

24. Most fastest type of cell division is

A Mitosis
B Meiosis
C Amitosis
D Endomitosis
Answer :   Amitosis
Discuss Question

25. Minimum number of meiotic div . required

A 15
B 31
C 62
D 16
Answer :   16
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26. Two conical half spindles found in

A Prophase
B Metaphase
C Anaphase
D Telophase
Answer :   Metaphase
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27. The longest phase in meiotic division is

A Prophase - I
B Metaphase - I
C Prophase - II
D Anaphase - I
Answer :   Prophase - I
Discuss Question

28. Microtubule is involved in the

A cell division
B muscle contraction
C membrane architecture
D DNA recognition
Answer :   cell division
Discuss Question

29. Equational division is the term used for

A Amitosis
B Mitosis
C Meiosis-I
D Meiosis -II
Answer :   Meiosis -II
Discuss Question

30. Cell plate which appears during cytokinesis, ultimately transforms in

A Middle lamella
B Primary wall
C Sec. Wall
D Plasma membrane
Answer :   Middle lamella
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
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