271. Ephedrine is obtained by

A Ephedra
B Gnetum
C Pinus
D Cycas
Answer :   Ephedra
Discuss Question

272. Which of the following is not applicable to Pinus

A Sessile ovules
B Motile sperm
C Embryo with many cotyledons
D Resin ducts
Answer :   Motile sperm
Discuss Question

273. In Pterdium the flagella of antherozoids are attached to

A Body surface
B Nucleus
C Blepheroplast
D Ovum
Answer :   Blepheroplast
Discuss Question

274. Leaves of Mosses and Ferns are

A Aanalogous and homologous both
B Analogous but not homologous
C Homologous but not analogous
D None of the above
Answer :   Analogous but not homologous
Discuss Question

275. Ferm gametophyte bears

A Archegonia
B Antheridia
C Sporangia
D Both A and B
Answer :   Both A and B
Discuss Question

276. Secondary growth occur in which pteridophyte

A Azolla
B Salvinia
C Isoetes
D Selaginella
Answer :   Isoetes
Discuss Question

277. If a sporangium is derived from a single cell, it is called

A Leptosporangiate
B Euporangiate
C Heterosporangiate
D Monosporangiate
Answer :   Leptosporangiate
Discuss Question

278. Number of peristomial teeth in moss is

A 16 + 16
B 16 + 32
C 8 + 16
D 32 + 32
Answer :   16 + 16
Discuss Question

279. Evolutionary important character of Selaginella is

A heterosporous nature
B rhizophore
C strobili
D ligule
Answer :   heterosporous nature
Discuss Question

280. Ferm prothallus is developed from

A Elaters
B Spore mother cells
C Spore
D Zygote
Answer :   Spore
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