251. Bacteria and fungi developing on dead decaying organisms are

A Parasites
B Commensals
C Saprophytes
D Symbionts
Answer :   Saprophytes
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252. In which branch of botany function of plants are studied

A Ecology
B Morphology
C Physiology
D Cytology
Answer :   Physiology
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253. Species can be identified on the basis of

A Interbreed
B Species diversity
C Reproductive isolation
D None of the above
Answer :   Reproductive isolation
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254. Systematics deals with

A Classification
B Nemonclature
C Plant description
D Plant exploration
Answer :   Plant description
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255. The silk industry is also known as

A Apiculture
B Horticulture
C Pisciculture
D Sericulture
Answer :   Sericulture
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256. The book Genera Plantarum was written by

A Bessy
B Hutchinson
C Engler and Prantl
D Bentham & Hooker
Answer :   Bentham & Hooker
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257. All living beings show

A Irritability
B Irregular shape
C Locomotion
D Absence of coordination
Answer :   Irritability
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258. Organisation formed by individuals of a species is

A Population
B Ecosystem
C Community
D All of the above
Answer :   Population
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259. A person exposed to cold environment does not show

A Shivering
B Vasoconstriction of peripheral vessels
C Increased secretion of thyroid and adrenal medulla
D Increased heart beat and volume per stoke
Answer :   Increased heart beat and volume per stoke
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260. If number of chromosomes in pollengrain of any species of Pinus is 8, them after fertilization what will be the number of chromosomes in Endosperm

A 24
B 16
C 08
D 32
Answer :   08
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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