11. Carbohydrates are present in the plasmalemma inn the form of

A Hemicellulose
B Cellulose
C Starch
D Glycoprtein
Answer :   Glycoprtein
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12. Double helix model of DNA is proposed by

A Watson and Crick
B Scheiden schwann
C Singer and Nicholson
D Kornberg and Khurana
Answer :   Watson and Crick
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13. Fuelgen reaction of DNA is due to

A Aldehyde produced by acid hydrolysis
B removal of RNA but not DNA
C Phosphoric acid carbohydrate and trogen bases
D Phosporic acid
Answer :   Aldehyde produced by acid hydrolysis
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14. During spermatoginesis golgi is thought to be responsible for the formation of

A Tall
B Myeloid piece
C Head
D Acrosome
Answer :   Acrosome
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15. Tonoplast, the membrane of vacuole is

A Living membrane
B Non living membrane
C Impermeable
D Permeable
Answer :   Living membrane
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16. The function of chromosome of carrying the genetic information from one cell generation to an other is performed by

A RNA
B DNA
C Histones
D Calcium
Answer :   DNA
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17. Lysosome containing bone cells are called

A Osteo blast
B Fibro blast
C Osteoclast
D Condrioblast
Answer :   Osteoclast
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18. Amino acid derivative hormone is

A Insulin
B Oxytocin
C Erythropoietin
D Thyroxine
Answer :   Thyroxine
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19. The proteins are synthesised at

A ribosomes
B mitochondria
C centrosomes
D golgi bodies
Answer :   ribosomes
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20. Number of base pairs in human chromosomes

A 3 × 109
B 3 × 107
C 6 × 108
D 6 × 107
Answer :   3 × 109
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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