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Gita
07 Jan 2018

In the human eye, the function of the optic nerves is to

adjust the focus of the eye lens

transmit electrical signals to the brain

control the number of rod and cone cells

convert light signals into electrical signals

or
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Following Information Answer Next Question Given Diagram Illustrates Structure Neuron Labelled SFollowing Structures Part Forebrain Regions Brain Involved Controlling Emotional Reactions Humans Excitement Pleasure Region Human Brain Helps Maintaining Constant Body Temperature Use Following Information Answer Next Question Figure Illustrates Structure Human Eye Part Human EyePart Human Ear Helps Equalizing Pressure Two Sides Ear Drum Following Parts Human Ear Responsible Maintaining Balance Posture Body Use Following Information Answer Next Question Part Ii Region Brain Controls Respiration Gastric SecMembrane Present Human Ear Helps Determine Pitch Sound Region Brain Contains Association Areas Following Statements Incorrect Hypothalamus Action Potential Generated Nerve Fibre Axonal Membrane BecomesAxonal Membrane Said Depolarized StateUse Following Information Answer Next Question Cells Retina Contain Iodopsin Pigment Responsible Ii Use Following Information Answer Next Question Chamber Space Cornea Ii Part Human Eye Information AlMembrane Ear Separates Middle Ear External Ear Part Brain Controls Secretions Gastric Glands Elastic Membrane Present Rows Hair Cells Internal Side Organ Corti Physical Exercise Stimulates Various Factors Increase Heartbeats Following Systems Directly StimulatMineral Ions Essential Normal Conduction Nerve ImpulsesUse Following Information Answer Next Question Human Brain Divided Three Main Parts Fore Brain Mid BMid Brain Also Known Mesencephalon Following Parts Brain Part Mid Brain Hind Brain Part Brain Continuation Spinal Cord Following Parts Brain Part Hind Brain Cardiac Centre Brain Controls Heart Beat Blood Pressure Located Brain Use Following Information Answer Next Question Medulla Oblongata Posterior Part Brain Extends Form SHuman Brain Various Centres Control Thirst Hunger Temperature Body Part Brain Contains Temperature CReflex Actions Quick Automatic Actions Taken Body Response Stimuli Reflex Actions ControlSensory Neurons Types Neurons Conduct Information Central Nervous System PresentMotor Neurons Conduct Information Central Nervous System Different Organs PresentUse Following Information Answer Next Question Illustration Represents Type Neuron Illustration ReprUse Following Information Answer Next Question Illustration Represents Type Neuron Illustration ReprUse Following Information Answer Next Question Given Figure Illustrates Axonal Membrane Propagation Use Following Information Answer Next Question Myelinated Nerve Fibres Contain Myelin Sheath Made ScUse Following Information Answer Next Question Given Figure Illustrates Events Synapse Ions Help BinUse Following Information Answer Next Question Reflex Action May Defined Spontaneous Autonomic MechaPart Brain Controls Breathing Part Brain Controls Process Exhalation Following Events Occurs Action Potential Use Following Information Answer Next Question Cerebrum Largest Part Brain Controls Number ActivitiePart Brain Controls Hunger Thirst Structure Nerve Fibre Insulated Myelin Sheath Use Following Information Answer Next Question Given Image Synapse Part Labelled Iii Given IllustratUse Following Information Answer Next Question Central Nervous System Includes Ii Alternative CompleUse Following Information Answer Next Question Given Image Human Brain Label Corresponds Cerebellum Use Following Information Answer Next Question Given Image Human Brain Labelled Part Controls SwalloUse Following Information Answer Next Question Change Potential Across Axonal Membrane Brought ChangFollowing Statements Incorrect Myelinated Nerve Fibre Use Following Information Answer Next Question Nerves Directly Connect Ii Alternative Completes GiveUse Following Information Answer Next Question Neuron Basic Unit Nervous System Part Neuron ContainsUse Following Information Answer Next Question John Lost Ability Maintain Body Posture Orientation AUse Following Information Answer Next Question Given Image Human Brain Following Functions PerformedUse Following Information Answer Next Question Given Image Human Brain Given Figure Part Controls InUse Following Information Answer Next Question Given Image Neuron Sequence Impulse Reaching Neuron TMain Function Synaptic Vesicles Present Axon Terminal ReleaseUse Following Information Answer Next Question Given Image Human Brain Labelled Part Helps MaintainiUse Following Information Answer Next Question Given Image Human Brain Labelled Part Controls ProcesUse Following Information Answer Next Question Hypothalamus Present Diencephalons Brain Following FuPart Brain Controls Process Exhalation Use Following Information Answer Next Question Respiratory Centre Located Medulla Oblongata Works SpUse Following Information Answer Next Question Figure Illustrates Structure Human Eye Part Human EyePart Human Ear Helps Equalizing Pressure Two Sides Ear Drum Following Parts Human Ear Responsible Maintaining Balance Posture Body Membrane Present Human Ear Helps Determine Pitch Sound Use Following Information Answer Next Question Cells Retina Contain Iodopsin Pigment Responsible VisUse Following Information Answer Next Question Chamber Space Cornea Part Human Eye Information AlterMembrane Ear Separates Middle Ear External Ear Elastic Membrane Present Rows Hair Cells Internal Side Organ Corti Name Glands Produce Tears Explain Following Terms Blind Spot B Yellow SpotUse Following Information Answer Next Question Given Diagram Human Eye Given Diagram Parts Labelled Primary Function Crystalline Lens Human EyeHuman Eye Function Optic NervesUse Following Information Answer Next Question Four Statements Blind Spot Human Eye Devoid PhotosensOptic Nerve Formed Axons BelongingFluid Present Vestibular Tympanic Canal Cochlea Use Following Information Answer Next Question Applying Stimulus Polarised Nerve Membrane Outer SurfPerilymph Extracellular Fluid Present WithinSpinal Cord LiesUse Following Information Answer Question Given Image Shows Reflex Arc Ii Iii Represents Given ImageFollowing Facts Correct Brain Spinal Cord Following Actions Voluntary Structure Connects Parts Brain Spinal Cord Following Parts Eye Dilate Enter Dark Room Use Following Information Answer Question Given Figure Shows Longitudinal Section Human Eye LabelledFollowing Parts Eye Refraction Light Occur Human Eye Image Formed Retina Two Associated Pigments Present Photosensitive Rod CellsConditions Eye Lens Maximum Focal Length Use Following Information Answer Question Main Function Part Labelled Given Figure Connects Middle Ear Pharynx Auditory Hair Cells PresentPart Brain Controls Many Critical Functions Human Body Thinking Intelligence Touch Sensation PlanninFollowing Pigments Eye Aldehyde Vitamin Normal Eye Able Accommodate Light Objects PlacedPart Ear Converts Sound Waves Electrical Impulses Carried Brain Help Us Hear Use Following Information Answer Question Eustachian Tube Connects Ii Information Row Completes GivePart Inner Ear Filled Endolymph Part Brain Receives Signals Brought Olfactory Nerves Smell Receptors Present Human Body Use Following Information Answer Question Madhu Reema Playing Game Tasting Different Food Items ReemRuffini Corpuscles RespondUse Following Information Answer Question Generation Waves Lymph Ii Reception Sound Waves Eardrum IiPart Brain Olfactory Nerves Send Impulses Generated Smell Receptors Smell Receptors Located Use Following Information Answer Question Megha Riya Playing Game Riya Blindfolded Megha Offering DiFollowing Receptors Correctly Matched Response Part Eye Plays Important Role Enter Bright Room Dark Room Use Following Information Answer Next Question Part Responsible Providing Protection Eye Clear Sharp Image Formed Eye Part Eye Controls Size Pupil Corpus Callosum Present Portion Nerve Cell Devoid Nissl Granules Part Brain Responsible Controlling Body Temperature Curbing Urge Eat Drink Mention Components Reflex Arc Name Fluid Present Membranous Labyrinth Part Ear Responsible Maintaining Body Balance Posture Repolarization Difficult See Identify Colours Night Low Levels Light Nerve Impulse Travels Direction Hear Popping Sound Lift Elevator Drops Ii Iii Iv Represent Given Figure Differentiate Electrical Synapse Chemical Synapse Define Types Neurons Based Number Axons Dendrites Differentiate Myelinated Neurons Non Myelinated Neurons Differentiate Rods Cones Describe Mechanism Vision Describe Mechanism Hearing Draw Completely Labelled Diagram Human Eye Draw Sagittal Section Human Brain 2 Marks B Describe Different Parts Forebrain Along Functions 3 MarDescribe Mechanism Generation Conduction Nerve Impulse Help Diagram Tears Acts Antiseptic PresenceMean Power Accommodation Read Following Answer Four Questions 16 16 V Given Neurons Connected Way Synaptic Junctions Neurons Name Region Retina Rods Cones Absent Give Location One Function Following Receptors Mechanoreceptors Ii Statoacoustic Receptors Iii BarorHelp Neat Labelled Diagram Describe Anatomy Human Eye Explain Mechanism Vision