NCERT/Class 10/Science/Control and Coordination

Control and Coordination

Class 10 · Science

150 questions50 easy50 medium50 hard

Sample Questions

Q1.What element is essential for the synthesis of thyroxine?

  • AIodine
  • BIron
  • CCalcium
  • DSodium

Q2.Why is the chemical transmission at the synapse considered advantageous over direct electrical transmission?

  • AIt allows for regulation — the signal can be amplified, inhibited, or modified at each synapse
  • BIt is faster than electrical
  • CIt uses less energy
  • DIt is simpler

Q3.In a patient with Type 1 diabetes, the immune system destroys the beta cells of the pancreas. Why can this condition only be managed with insulin injections rather than oral insulin pills?

  • AInsulin is a protein that would be digested by enzymes in the stomach if taken orally, destroying its structure and function
  • BOral insulin works too slowly
  • CThe stomach is too acidic for insulin
  • DInsulin pills have not been invented yet

Q4.How do plants coordinate their response without a nervous system?

  • AThrough chemical signals (plant hormones) and electrical-chemical cell-to-cell communication
  • BThey cannot coordinate at all
  • CThrough a hidden nervous system
  • DOnly through touch responses

Q5.A person suffers damage to the hind-brain but the fore-brain is intact. Which of the following would still function normally?

  • AThinking and decision-making
  • BMaintaining balance while walking
  • CRegulation of blood pressure
  • DControl of vomiting reflex

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

Abscisic AcidAcromegalyAdrenal GlandsAdrenalineAgricultureAutonomic Nervous SystemAuxinAuxin SensitivityAxonBloodBlood RedistributionBlood SugarBlood Sugar RegulationBrainBrain DamageBrain InvolvementBrain ProcessingBrain ProtectionBrain RegionsBrain StructureCentral Nervous SystemCerebellumCerebrospinal FluidCerebrumCerebrum FunctionChemical CoordinationChemotropismComparisonComparison with AnimalsCranial NervesCraniumCytokininDendriteDiabetesDiabetes ManagementDifferential GrowthDifferential SensitivityDrought ResponseDual FunctionEffectorsEndocrine CascadeEndocrine GlandsEndocrine SystemEstrogenEthyleneEvolutionExperimental DesignFeedback MechanismFight or FlightFore-brainFore-brain FunctionFruit RipeningGeotropismGibberellinGigantismGoitreGravitropismGravityGrowth HormoneGustatory ReceptorsHind-brainHormonal vs NervousHormone InteractionHormone RegulationHormone TransportHormonesHormones vs Nervous SystemHunger CentreHydrotropismHyperthyroidismHypoglycemiaHypothalamusIndependent of LightInsulinInvoluntary ActionsIodineIodine DeficiencyLight CompetitionLocationMaster GlandMedullaMedulla OblongataMetabolismMimosa pudicaMotor CoordinationMotor NeuronMotor Neuron DamageMotor NeuronsMuscle ContractionNastic MovementNastic MovementsNastic vs Tropic MovementNerve ImpulseNervous Control of HeartNervous SystemNervous vs EndocrineNervous vs Hormonal SystemNeural ProcessingNeuro-endocrine CoordinationNeuro-endocrine LinkNeuronNeuron StructureNeurotransmittersNon-directionalOlfactory ReceptorsOvariesPain PerceptionPancreasParalysisPeripheral NervePeripheral Nervous SystemPhototropismPituitary GlandPlant CoordinationPlant GrowthPlant HormonesPlant MovementPlant TipPollen TubeProtein HormonesReceptorsReflex ActionReflex ActionsReflex ArcRelay NeuronResponse TimeRoot CapRoot GrowthRoot MovementSenescenceSense OrgansSensory InputSensory NeuronSensory NeuronsSensory and Motor LossSensory vs MotorSequenceShoot GrowthSpinal CordSpinal Cord InjuryStem BendingStem ElongationStomataStress ResponseSynapseSynergistic EffectTemperature RegulationTendrilsTestesTestosteroneThigmotropismThinkingThyroidThyroid GlandThyroxineTropic HierarchyTropic MovementsUnidirectional FlowVertebral ColumnVestibular SystemVisual CortexVisual ProcessingVoluntary ActionVoluntary ActionsVoluntary MovementWent Experiment

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