111. Mo is related with

A N2 fixation
B Flower induction
C Chromosome contraction
D Carbon collection
Answer :   N2 fixation
Discuss Question

112. Asafoetida is present in schizogenous duct of

A Root
B Stem
C Fruits
D Leaves
Answer :   Root
Discuss Question

113. Which of the following can utilize molecular nitrogen (N2) as nutrient for growth

A Rhizobium
B Spirogyra
C Mucor
D Methancoccus
Answer :   Rhizobium
Discuss Question

114. Plant ash has maximum content of

A Mg
B Fe
C K
D B
Answer :   Mg
Discuss Question

115. Active uptake of minerals by roots mainly depends on

A Light
B Temperature
C Availability of CO2
D Availability of oxygen
Answer :   Temperature
Discuss Question

116. Central Drug Research iInstitue located at

A Lucknow
B Madras
C Mysore
D Cuttack
Answer :   Lucknow
Discuss Question

117. Which plant part is responsible for the production of opium

A Stem
B Root
C Leaf
D Fruit
Answer :   Fruit
Discuss Question

118. Nitrogen flxation is root nodules of Anlus is brought about by

A Frankia
B Azorhizobium
C Bradyrhizobium
D Clostridium
Answer :   Frankia
Discuss Question

119. A metal ion involved in stomatal regulation is

A Iron
B Potassium
C Zinc
D Magnesium
Answer :   Potassium
Discuss Question

120. The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are

A Nitrate alone
B Ammonia and oxygen
C Ammonia and hydrogen
D Ammonia alone
Answer :   Ammonia and hydrogen
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