641. Antheridia are archegonia are absent in

A Bryophta
B Pteridophyta
C Gymnosperms
D Angiosperms
Answer :   Angiosperms
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642. Bryophyta includes

A Mosses
B Club mosses
C Spike mosses
D All of the above
Answer :   Mosses
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643. How many zoospores re produced in a single cell of Ulothrix

A 1 - 8
B 8 - 16
C 8 - 32
D 8 - 64
Answer :   8 - 32
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644. Rhizoids of hepaticopsida and anthocerotopsida are

A Multicellular and branched
B Unicellular and unbranched
C Unicellular and branched
D Multicellular and unbranched
Answer :   Unicellular and unbranched
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645. Moss capsule represent

A Gametophyte
B Sporophyte
C A part of protonema
D A part of sorus
Answer :   Sporophyte
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646. Ovules absent in

A Pteridophyta
B Gymnosperm
C Angiosperm
D A and B both
Answer :   Pteridophyta
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647. How many generations found in seed of gymnosperm

A 1
B 2
C 4
D 3
Answer :   3
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648. Pinus armandi is known as

A Unifoliar
B Bifoliar
C Trifoliar
D Penta foliar
Answer :   Penta foliar
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649. At the time of germination of zygospore in Spirogyra

A All haploid nuclei are functional
B Only one haploid nucleus is functional
C Diploid nucleus does not divide
D Diploid nucleus divides mitotically
Answer :   Only one haploid nucleus is functional
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650. Meiosis in pteridophytes takes place at the time of

A Spore formation
B Sexual organ formation
C Germination of spores
D Gamete formation
Answer :   Spore formation
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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