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Gehna
18 Aug 2017

What is the light-sensitive part of the human eye called?

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Light Ray Ray 1 Incident Mirror M1 Angle 20 Shown GivUse Following Information Answer Next Question Combination Two Plane Mirrors M1 M2 Inclined Angle 90Optical Device Matched Working Principle Regarding Reflection Use Following Information Answer Next Question Three Statements Regarding Characteristics Image FormUse Following Information Answer Next Question Image Pencil Formed Plane Mirror Distance 40 Cm PenciUse Following Information Answer Next Question Given Figure Shows Light Ray Incident Mirror Surface Use Following Information Answer Next Question Four Statements Reflection Incident Ray Normal Lie PlLight Ray Strikes Plane Mirror Making Angle 25 Reflecting Surface Angle Reflected Ray Make Normal Use Following Information Answer Next Question Person Enters Dark Room Size Iris Time Size Pupil InfGiven Figure Shows Four Parts Human Eye Labelled Ii Iii Iv Labelling Matched Name Part Eye RepresentUse Following Information Answer Next Question Two Mirrors M1 M2 Placed Angle 100 Laser 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Reflected M1 Gets ReflecTwo Plane Mirrors M1 M2 Placed Angle Light Ray Incident M1 Angle Shown Given Figure Value Reflected Kind Lens Present Eyes Explain Able See Object Explain Cannot See Objects Clearly Enter Cinema Hall Brightly Lit Room Advantages Two Eyes Ciliary Muscles Eye Stretched Relaxed Help Functioning Eye Draw Labelled Diagram Human Eye Showing Important Parts True Every Relation Symmetric Transitive Also Reflexive Give Reasons Following Functions X R 1 X 1 Bijections Fx X B Fx Sin X2 C Fx Sin X4 NoneHuman Eye Approximate Sphere RadiusName Part Eyes Helps Us Focus Near Distant Objects Quick Succession Far Point Human Eye Normal Vision Fill Blank Absence Causes Colour Blindness Blind Spot Describe Construction Working Human Eye Near Point Eye Normal Vision Fill Blank Absence Causes Poor Visibility Low Light Conditions Name Point Optic Nerves Enter Eyeball Name Two Types Cells Present Retina Eye Eye Adjust Light Varying Intensity Day Time Step Dark Room Standing Sun Sometime Unable See Objects Clearly Explain Two Plane Mirrors M1 M2 Placed Angle Light Ray Incident M1 Angle Shown Given Figure Value Reflected State Laws Reflection Ii Phenomenon Lateral Inversion Iii Light Incident Plane Mirror Way Makes AngCalculate Area Cross Section Wire Length 1 0 Resistance 23 Resistivity Material Wire 1 84 10 6 Explain Construction Pinhole Camera Name Two Instruments Based Property Reflection Light Radha Wants See Image Mirror Dark Room See Reflection Mirror Give Reason Magnification Image Produced Plane Mirror Draw Labelled Diagram Human Eye Explain Functioning Following Parts Iris Lens RetinaFocal Length Eye Lens Change Explain Function Cones Rods Eyes Write Three Differences Human Eye Camera Angle Reflection Light Ray Incident Plane Mirror Angle 30 Ray Reflected Plane Surface Makes Angle 20 Reflecting Surface Angle Incidence Name Device Works Principle Multiple Reflection Light State Practical Purpose Device Characteristics Exhibited Image Formed Pin Hole Camera Ii Write True False Light Always Travels StrFill Blanks Diffused Reflection Reflected Rays Parallel Incident Rays Type Reflection Takes Place SuName Eye Part Controls Amount Light Entering Eye Main Function Retina Part Human Eye Contains Rod Cone Cells Name Part Human Eye Contains Photosensitive Cells Name Photosensitive Cells Name Eye Part Pointed Arrow Given Figure Function Part Eye Part Eye Labelled Letter P Given Figure Function Eye Part Good Practices Maintaining Healthy Eyes Student Copied Given Diagram Book Forgot Label Copy Label Diagram Explain Rays Angles Involved Also Draw Diagram Showing Image Formation Plane Mirror Discuss Features Image Formed Spot Retina Contribute Vision Spot Contribute Vision Chetan Green Coloured Eyes Part Eye Gives Distinctive Colour Write One Functions Radha Took Grandfather Eye Specialist Doctor Told Eye Lens Become Cloudy Name Disease Radha GrandfatSanjay Cannot See Things Clearly Night Name Deficiency Disease Suffering Essential Element Missing DImportant Features Eyes Birds Fly Night Time Differentiate Regular Reflection Diffused Reflection Ray Light Incident Angle 90 Surface Angle Reflection Draw Reflected Ray Angle Reflected Ray Incident Ray 90 Angle Incidence Draw Diagram Involved Two Mirrors Inclined Perpendicular Ray Light Incident One End Angle 45 Shown Figure Angle Reflected Complete Paragraph Eye Important Part Human Body Shape Front Part Called Dark Muscular Structure LocKaleidoscope Constructed Name Phenomenon Refers Splitting White Light Give One Example Name Constituent Colours White Light Name Four Non Optical Aids Used Visually Challenged Persons Name Optical Instrument Present Human Body Draw Labelled Diagram Experiment Conducted Whereby Incident Ray Making Angle 50 Normal Allowed Fall Mirror Observations MaKaleidoscope Constructed Diffused Reflection Indicate Failure Laws Reflection Give Reason Answer Image Formed Plane Mirror Cannot Obtained Screen Boy Standing Front Mirror Raises Right Hand Looks Mirror Appears Raised Left Hand Phenomenon ResponsObject Emitting Light Belongs Category Light Sources Give Two Examples Happens Size Pupil Dim Light Sudha Placed Candle Two Plane Mirrors Facing Kept Parallel Distance 28 Cm Many Images Candle Formed Rajiv Standing 40 Cm Front Plane Mirror Distance Image Formed Name Two Non Optical Aids Help Visually Challenged Person Communicate Beam Light Strikes Chalk Powder Gets Reflected Kind Reflection Beam Light Undergo Justify Answer Ray Incident Mirror Makes Angle 40 Normal Shown Given Figure Ray Obeys Laws Reflection Reflection Two Girls Radha R Sudha Standing Front Plane Mirror Shown Given Figure Radha See Image See Sudha ImaPart Eye Likely Affected Prolonged Exposure Direct Sunlight Find Mean Standard Deviation Following Probability Distributions Xi 2 3 4 Pi 0 2 0 5 0 3 Ncert ExempFind Mean Variance Number Tails Three Tosses Coin Ncert Exemplar Radii Circular Ends Solid Frustum Cone 33 Cm 27 Cm Slant Height 10 Cm Find Total Surface Area Use 3 Pack 52 Cards 4 Drawn One One Without Replacement Find Probability Aces Kings Urn Contains 3 White 4 Red 5 Black Balls Two Balls Drawn One One Without Replacement Probability LeaBag Contains 4 White 7 Black 5 Red Balls Three Balls Drawn One Without Replacement Find Probability Radii Top Bottom Bucket Slant Height 45 Cm 28 Cm 7 Cm Respectively Find Curved Surface Area Bucket Length Rectangular Field 23 Breadth Perimeter Field 206 Area 2420 M2 B 2520 M2 C 2480 M2 2620 M2Length Rectangular Hall 5 Breadth Area Hall 750 M2 Length 15 B 20 C 25 30Length Rectangular Field 12 Length Diagonal 15 Area Field 108 M2 B 180 M2 C 303m2 1215m2Length Diagonal Square 102cm Area 200 Cm2 B 100 Cm2 C 150 Cm2 1002 Cm2Area Square Field 6050 M2 Length Diagonal 135 B 120 C 112 110Length Square Field 0 5 Hectare Length Diagonal 150 B 1002 C 100 502mArea Equilateral Triangle 43cm2 Perimeter 9 Cm B 12 Cm C 123 Cm 63 CmSide Equilateral Triangle 8 Cm Area 24 Cm2 B 243cm2 C 163cm2 83cm2Side Square Equal Side Equilateral Triangle Ratio Areas 4 3 B 2 3 C 4 3 NoneSide Equilateral Triangle Equal Radius Circle Whose Area 154 Cm2 Area Triangle 49 Cm2 B 4934cm2 C 73Find Equation Circle Circumscribes Triangle Formed Lines X 3 0 X 1 0 X 3 Ii 2x 3 0 X 1 0 3x 2y 5 0 I Find Principal Values Following Cos 1 32 Ii Cos 1 12 Iii Cos 1sin4 3 Iv Cos 1tan3 4Principal Values Evaluate Following Cos 112 2sin 112 Ii Iii Sin 1 12 2 Cos 1 32 Iv Sin 1 32 Cos 132Find Principal Values Following Tan 113 Ii Tan 1 13 Iii Tan 1cos 2 Iv Tan 12cos2 3Principal Values Evaluate Following Tan 1 1 Cos 1 12 Ii Tan 12sin4cos 132Person Comes Bright Sunlight SizeUse Following Information Answer Next Question Four Parts Human Eye Labelled Ii Iii Iv Respectively Find Equation Hyperbola Whose Foci 6 4 4 4 Eccentricity 2 Ii Vertices 8 1 16 1 Focus 17 1 Iii Foci 4One Common Advices Eye Specialist Gives StudentsUse Following Information Answer Next Question Cells Human Eye Remain Alive 4 6 Hours Even Death PerUse Following Information Answer Next Question Senses Visually Challenged Persons Developed Help ExtBraille System HelpsReference Resources Visually Handicapped Aid Works Sense HearingVerify Following 0 7 10 1 6 6 4 9 6 Vertices Isosceles Triangle Ii 0 7 10 1 6 6 4 9 6 Vertices RightSolve Following Quadratic Equations Factorization 2x 1 32 X 2 235x X 0 1 2Real Value X Satisfies Equation 3 4ix3 4ix Ib B A2 B2 1 B 1 C 2 2Complex Number Z Satisfies Condition Zi Z 1 Lies Circle X2 Y2 1 B X Axis C Axis Line X 1Z Complex Number Z2 Z2 B Z2 Z2 C Z2 Z2 Z2 Z2Following Correct Two Complex Numbers Z1 Z2 Z1z2 Z1z2 B Argz1z2 Argz1 Argz2 C Z1 Z2 Z1 Z2 Z1 Z2 Z1 ZHuman Eye Light Converted Electrical SignalsCiliary Muscles Human Eye Contract Relax OrderSolve 4 X 1 3Solve 3x 42 512Length Rectangle 8 Cm Breadth Perimeter Rectangle 80 Cm Length Rectangle 16 Cm B 24 Cm C 28 Cm 18 CmLength Rectangle 8 Cm Breadth Perimeter Rectangle 80 Cm Area Rectangle 192 Cm2 B 364 Cm2 C 384 Cm2 3Area Rectangle 11 6 M2 Breadth 46 4 Cm Perimeter 25 464 B 50 928 C 101 856 NoneArea Rhombus 119 Cm2 Perimeter 56 Cm Height Rhombus 7 5 Cm B 6 5 Cm C 8 5 Cm 9 5 CmSide Equilateral Triangle 8 Cm Area 163 Cm2 B 323 Cm2 C 243 Cm2 83 Cm2Area Equilateral Triangle 43 Cm2 Length Side 3 Cm B 4 Cm C 23 Cm 32 CmHeight Equilateral Triangle 6 Cm Area 33 Cm2 B 23 Cm2 C 22 Cm2 62 Cm2Area Equilateral Triangle Height H 3 H2 B 3a H C 3a H2 3a H2Use Following Information Answer Next Question Four Students N Standing Plane Mirror Placed Hall ShoUse Following Information Answer Next Question Three Plane Mirrors Arranged Way Reflecting Surfaces Use Following Information Answer Next Question Size Pupil Eye Controlled Extension Contraction Iris Use Following Information Answer Next Question Defective Eye Number Cones Less Normal Eye Defective Ratio Perimeter Circumference Diameter Circle B 2 C 2 4Area Rhombus 144 Cm2 One Diagonals Double Length Longer Diagonal 12 Cm B 16 Cm C 18 Cm 24 CmFig 38 Value K 778 B 738 C 718 758Use Following Information Answer Next Question Distance Object Normal Eye See Clearly Comfortably Eq Following Pictures Object Paired Correctly Image Formed Plane Mirror Light Ray Strikes Plane Mirror Making Angle 25 Reflecting Surface Angle Reflected Ray Make Normal Use Following Information Answer Next Question Ram Black Coloured Eyes Colour Shyam Eyes Green Part Use Following Information Answer Next Question Two Plane Mirrors M1 M2 Placed Angle 80 Incident Ray Use Following Information Answer Next Question Ray Light Incident Plane Mirror Gets Reflected Angle Use Following Information Answer Next Question Given Figure Shows Four Incident Rays Irregular SurfaUse Following Information Answer Next Question Student Set Two Plane Mirrors Parallel Placed Pencil Use Following Information Answer Next Question Student X Becomes Blind Accident Student EnthusiasticX Z Partners Sharing Profits Losses Ratio 5 3 2 Admit Partnership Give 1 5th Share Profits Find New Use Following Information Answer Next Question Radha Stands Front Plane Mirror Distance 35 Cm Finds Use Following Information Answer Next Question Set Parallel Rays Incident Glass Undergo Diffused RefVisually Challenged Person Use Braille Kit Help SenseUse Following Information Answer Next Question Owls Poor Eyesight Day Time See Well Night Following B C Partners Sharing Profits Losses Ratio 5 4 1 Calculate New Profit Sharing Ratio Sacrificing RatioUse Following Information Answer Next Question Consider Listed Activities Performed Four Students BoLabel Given Diagram B Mid Point Line Segment Joining Points 10 6 B K 4 2b 18 Find Value K Distance Ab Light Sensitive Part Human Eye Called Eyeball Approximately Spherical Shape Diameter Normal Human Eyeball Nature Image Object Formed Human Eye Function Iris Human Eye Part Eye Forms Transparent Bulge Front Surface Eyeball Following Observations Arranged Ascending Order 26 29 42 53 X X 2 70 75 82 93 Median 65 Find Value XNumbers 50 42 35 2x 10 2x 8 12 11 8 Written Descending Order Median 25 Find Value X Find Median Data 46 41 77 58 35 64 87 92 33 55 90 Data 41 55 Replaced 61 75 Respectively New Median Mean Data 3 21 25 17 X 3 19 X 4 18 Find Value X Using Value X Find Mode Data Numbers 52 53 54 54 2x 1 55 55 56 57 Arranged Ascending Order Median 55 Find Value X Hence Find ModeValue X Mode Data 24 15 40 23 27 26 22 25 20 X 3 Found 25 Using Value X Find Median Numbers 42 43 44 44 2x 3 45 45 46 47 Arranged Ascending Order Median 45 Find Value X Hence Find ModeObservation Data Increased 8 Mean Remains B Decreased 8 C Increased 5 Becomes 8 Times Original Mean12 Packets Salt Marked 2 Kg Actually Contained Following Weights Kg Salt 1 950 2 020 2 060 1 980 2 0Circket Match Batsman Hits Boundary 6 Times 30 Balls Plays Find Probability Hit Boundary Organisation Selected 2400 Families Random Surveyed Determine Relationship Income Level Number VehicTable Given Shows Marks Obtained 30 Students Test Marks Class Interval 1 10 11 20 21 30 31 40 41 50 Table Given Shows Ages 75 Teachers School Age Years 18 29 30 39 40 49 50 59 Number Teachers 3 27 37 Following Ages Years 360 Patients Getting Medical Treatment Hospital Age Years 10 20 20 30 30 40 40 Marks Obtained 90 Students School Mathematics 100 Given Marks 0 20 20 30 30 40 40 50 50 60 60 70 70 Known Box 800 Electric Bulbs Contains 36 Defective Bulbs One Bulb Taken Random Box Probability Bulb Fill Blanks Probability Impossible Event Ii Probability Sure Event Iii Let E Event P E Iv P E P E V Sample Survey 645 People Found 516 People High School Certificate Person Chosen Random Probability HMedical Examination Students Class Following Blood Groups Recorded Blood Group B Ab Number Students 80 Bulbs Selected Random Lot Lifetime Hours Recorded Lifetime Hours 300 500 700 900 1100 Frequency 1Survey 364 Children Aged 19 36 Months Found 91 Liked Eat Potato Chips Child Selected Random ProbabilTwo Coins Tossed 1000 Times Outcomes Recorded Given Number Heads 2 1 0 Frequency 200 550 250 Two CoiKnow Opinion Students Subject Sanskrit Survey 200 Students Conducted Data Recorded Opinion Like Disl80 Bulbs Selected Random Lot Lifetime Hours Recorded Lifetime Hours 300 500 700 900 1100 Frequency 1Two Coins Tossed Simultaneously 600 Times Get 2 Heads 234 Times 1 Head 206 Times 0 Head 160 Times TwProve Following Identities 1 16 Tan3 X1 Tan2 X Cot3 X1 Cot2 X 1 2 Sin2 X Cos2 Xsin X Cos XSolve Following System Equations R 4x 1 3 6x 1 X 0Prove Following Identities 1 16 1 Sin2 X1 Cot X Cos2 X1 Tan X Sin X Cos XFind Domain Range Following Real Valued Functions Fx Ax Bbx Ii Fx Ax Bcx Iii Fx X 1 Iv Fx X 3 V Fx XCompany Opening Credit Balance Surplus E Balance Statement Profit Loss 1 00 000 Year Earned Profit 7Sushma Natural Blue Eyes Part Eye Gives Blue Colour Role Part Play Functioning Eye Stion Prove Following Identities 1 16 Sec4 X Sec2 X Tan4 X Tan2 XProve Following Identities 1 16 Sin6 X Cos6 X 1 3 Sin2 X Cos2 XBraille System Enable Visually Challenged People Read Prove Following Identities 1 16 Cosec X Sin X Sec X Cos X Tan X Cot X 1Prove Following Identities 1 16 Cosec X Sec X 1 Cot X 1 Cos X Tan X Sin XProve Following Identities 1 16 1 Sin X Cos Xcos X Sec X Cosec X Sin2 X Cos2 Xsin3 X Cos3 X Sin XDraw Diagram Showing Image Formation Plane Mirror Kind Reflection Takes Place Surface Mirror Scrubbed Sand Paper Ambulance Always Labelled Reverse Example Phenomenon Related Reflection Prove Following Identities 1 16 Tan X1 Cot X Cot X1 Tan X Sec X Cossec X 1Part Determines Amount Light Entering Eye Prove Following Identities 1 16 Sin3 X Cos3 Xsin X Cos X Sin3 X Cos3 Xsin X Cos X 2Prove Following Identities 1 16 Sec X Sec Tan X Tan Y2 Sec X Tan Tan X Sec Y2 1State Whether Following Statements True False Justify Answer Points 4 3 B 6 4 C 5 6 3 5 Vertices ParState Whether Following Statements True False Justify Answer Circle Centre Origin Point P 5 0 Lies PMagnification Produced Rear View Mirror Fitted Vehicles Less One B One C Equal One Less One DependinUse Following Information Answer Next Question Ray Light Torch Incident Surface Mirror Ray ReflectedMoon Emit Light One SeeFollowing Statements Light Rays False Use Following Information Answer Next Question White Light Incident Surface Portions Get Reflected AMirror Form Images Plane Glass Slab Cannot MirrorUse Following Information Answer Next Question Path Taken Light Rays Enable Cindy See Toy Car Path Taken Light Rays Enable Martha See Ball Path Taken Light Rays Enable George See Fly Path Taken Light Rays Enable Boy See Tree Use Following Information Answer Next Question Object Identified Image Formed Eye Recognized Brain PObject Seen Light Travelling Object EntersUse Following Information Answer Next Question Given Figure Shows Ryan Looking Book Placed Table FroUse Following Information Answer Next Question Ted Sitting Room Illuminated Light Shown Given FigureUse Following Information Answer Next Question Nathan Observing Ball Book Kept Room Room IlluminatedFollowing Figures Represents Reflection Light Use Following Information Answer Next Question Ray Light Incident Glass Surface Makes Angle Normal AFigure Represents Reflection Incident Light Ray Plane Mirror Use Following Information Answer Next Question Thin Membrane Front Eye Lens Light Rays Enter Eyes KnUse Following Information Answer Next Question Four Statements Similarities Simple Camera Eyes Like Part Eye Changes Shape Adjust Amount Light Entering Eye Use Following Information Answer Next Question Camera Light Rays Focused Film Censor Human Eyes LighUse Following Information Answer Next Question Ray Light Incident Shiny Surface Mirror Moves Back MeUse Following Information Answer Next Question Bouncing Back Light Shiny Surface Known Splitting WhiUse Following Information Answer Next Question Light Rays Incident Angle Shiny Surface Mirror ThrownUse Following Information Answer Next Question Three Statements Angle Incidence Equal Angle ReflectiUse Following Information Answer Next Question Given Figure Shows Light Ray Incident Mirror Surface Use Following Information Answer Next Question Light Ray Incident Plane Mirror Makes Angle 30 SurfacUse Following Information Answer Next Question Four Statements Reflection Incident Ray Normal Lie PlUse Following Information Answer Next Question Periscope Instrument Used Making Observations ConcealUse Following Information Answer Next Question Given Figure Angle ReflectionFocal Length Eye Lens AdjustedUse Following Information Answer Next Question Given Diagram Human Eye Given Diagram Parts Labelled Primary Function Crystalline Lens Human EyeHuman Eye Function Optic NervesFour Persons P Q R Suffering Four Different Diseases Listed Given Table Person Disease P Asthma Q DiUse Following Information Answer Next Question Tanvir Uses Sense Touch Reading Takes Help Non OpticaFollowing Pictures Shows Image Formation Plane Mirror Use Following Information Answer Next Question Three Statements Regarding Characteristics Image FormUse Following Information Answer Next Question Ray Reflected Plane Surface Makes Angle 20 ReflectingUse Following Information Answer Next Question Arun Combination Two Plane Mirrors M1 M2 Mirrors PlacUse Following Information Answer Next Question Two Plane Mirrors M1 M2 Placed Angle Light Ray IncideFollowing Objects Regular Reflection Take Place Diffused Reflection Reflected Rays Arefor Parallel Incident Rays Type Reflections Takes Place SurfacUse Following Information Answer Next Question Combination Two Plane Mirrors M1 M2 Inclined Angle 90Use Following Information Answer Next Question Light Enters Eye Passes Various Parts Eye TransmittedBoy Cannot See Properly Dark Room Deficiency Vitamin Causes Inability Following Precautions Incorrect Regarding Protection Eye Use Following Information Answer Next Question Given Figure Shows Combination Two Plane Mirrors M1 MOne Common Advices Eye Specialist Gives StudentsState One Role Ciliary Muscles Human Eye List Parts Human Eye Control Amount Light Entering Explain Perform Function B Write Function Retina List Parts Human Eye Control Amount Light Entering Explain Perform Function B Write Function RetinaState Function Following Parts Human Eye Cornea Ii Iris Iii Pupil Iv Retina Millions People Developi Write Function Following Parts Human Eye Cornea Iris Crystalline Lens Ciliary Muscles B Millions PeStudent Determines Focal Length Device X Focusing Image Distant Object Screen Placed 20 Cm Device SiDue Gradual Weakening Ciliary Muscles Diminishing Flexibility Eye Lens Certain Defect Vision Arises Help Ciliary Muscles Human Eye Change Curvature Thus Alter Focal Length Lens State Changes Occur CurWrite Power Accommodation Human Eye Explain Image Distance Eye Change Change Distance Object Eye Following Characteristic Image Formed Plane Mirror Following Use Plane Mirror Following Reflected Angles Cannot Produced Light Ray Incident Obliquely Plane Mirror Direction Reflected Ray Ray Light Incident Normally Plane Mirror Following Devices Use Plane Mirror Subpart List Four Characteristics Image Formed Plane Mirror Plane Mirrors Aligned Periscope Kaleidoscope Measure Exact Ph Aqueous Solution Ph Meter B Litmus Paper C Ph Paper Universal IndictorGas Produced Reaction Base Metals Dihydrogen B Dioxygen C Carbon Dioxide DinitrogenThree Test Tubes P Q R Iron Nails Water Oil Anhydrous Calcium Chloride Taken Among Test Tubes Test TDisplacement Reaction Occur Among Following Reactions Insert Image Zn Cuso4 B Fe Cuso4 C Cu Feso4 MgTable Properties Specimens Given Specimen Melting Point Shining Malleability Electric Conductivity PStatement Wrong Among Following Statement Statement 1 Non Metal Possess Property Ductility MalleabilProperties One Gas Given Identify Gas 1 Produced Haber Process 2 Possesses Intensive Smell Causes IrMake Correct Pairs Mentioned X X Dehydrating Agent 1 Sulphur Dioxide Gas B Preparation Fire CrackersWater Gas Mixture Gas P Carbon Dioxide Q Hydrogen R Carbon Monoxide Q R B P Q C P R P Q RComponent Obtained Refining Petroleum Used Solvent Petrochemicals Tar B Kerosene C Naphtha PetroleumProperties One Mineral Coal Given Identify Mineral Coal 1 Matured Form Mineral Coal 2 Contains 94 98Called Fossil Fuel Mineral Coal B Petroleum C Natural Gas GivenGeneral Formula Alcohol Series Cnh2n 1 Oh Formula Alcohol Containing Four Carbon C5h11oh B C4h9oh C One Girl Student Uses Liquid Compound Remove Nail Paint Nail Liquid Compound Removes Nail Paint NailFollowing Methanol Used Making Dyes Phenol Polymer B Used Raw Material Plastic Industry C Preserve RFood Take Body Travels Long Complex Path Starts Mouth Ends Anus Correct Sequence Process Food DigestStatement True Structure Human Heart Walls Atria Thin Wall Ventricles Thick B Bicuspid Valve Right APart Body Blood Gets Purified Becomes Oxygenated Atrium B Lungs C Heart VentricleProcess Blood Filtered Bowman Capsule Reabsorption B Secretion C Ultrafiltration NoneName Short Tubular Region Bowman Capsule Kidney Known Henle Loop B Proximal Tubule C Neck Distal Tub21 Called Movement Plant Towards Gravity Chemotropism B Geotropism C Hydrotropism PhototropismFollowing Mis Matched Pair Insulin Pancreas B Estrogens Ovary C Adrenaline Pituitary Gland TestosterFigure Indicates Given Binary Fission Amoeba B Formation Temporary Finger Like Projection Amoeba C BLiving Organism Asexual Reproduction Take Place Among Following P Amoeba Q Cladophora R Yeast BananaProcess Important Production Gametes Living Organism Performing Sexual Reproduction Context ChromosoFollowing Chart Depicts Fertilization Male Female Sexual Production True P Q R Following Sr P Q R 1 Correct Sequence Context Least Bio Degradable Biodegradable Material Bones Plastic Paper Metal B PapSentence True Context House Hold Waste Management Buy Loose Fruits Vegetables Avoid Packaging B ThroDestroy Forest Actually Destroying Food Wild Life B Wild Life Habitat C Trees EnvironmentToday Using Natural Resources Maximum Following Alternative Correctly Explain Natural Resources ResoImportant Parameter Determines Functioning Nano Material Surface Area Volume Ratio Reason Small GranMake Proper Pair Fullerene B Swnt C Mwnt Carbon 2 B 4 C 1 3 B 3 B 1 C 2 4 C 4 B 2 C 1 3 1 B 3 C 4 2Understanding Cartesian Sign Convention Reflection Spherical Mirror Students Took Part Group DiscussStatement Wrong Following Reflection Plane Mirror Size Image Size Object B Object Distance Image DisColoured Light Scatters Least Fog Smoke Green B Yellow C Blue RedTrue Far Sightedness Hypermetropia Following Eyelense Become Thin Per Requirement B Distant Object CSpecify Colour P Q Following Diagram Magenta Yellow B White Cyan C White Yellow Magenta CyanPair Correct Instrument Used Laboratory Uses Following Instrument Uses Voltmeter Measure Electric PoDeposit Copper Iron Spoon Copper Plate Connected Iron Spoon B Positive Terminal C Negative Terminal P Q R Conductors Following Diagram Removing Conductor Bulb Glow B R C Q PStatement True According Ohm Law Current Increase Increasing Voltage Circuit B Resistance Increase IStatement Wrong Following Earthing Wire Green Coloured B India Current Flowing Wire Ac Frequency 50hMatch Following Section Section B 1 Fuse P Converts Electric Energy Mechanical Energy 2 Electric GenInstrument Used Convert Electrical Energy Heat Energy Room Heater B Electric Iron C Electric Bell ElPlanets Divided Two Groups Based Characteristic Group 1 Group 2 Structure Planets Resemble Earth StrPlanets Characteristics Given Option Wrong Among Earth Possesses Living Organism B Venus Bright PlanStatement Wrong Following Statement 1 Metsat Useful Weather Forecasting Statement 2 Insat Useful DirPlanet Sun Sets East Saturn B Venus C Mercury PlutoHoneybee Bites Chemical Enters Body Calcium Formate B Melittin C Formic Acid Magnesium HydroxideOne Student Examines Properties Substance Laboratory Aqueous Solution Substance Converts Blue LitmusNano Technology Useful Energy Sector Explain 2 Nano Technology Considered Invention Modern Society UDraw Labelled Diagram Experiment Explaining Ohm Law 2 Blind Candidate Write Apparatus Experimental MIsomer Write Isomer Butane Structural Formula 2 Write Industrial Name Two Use Ethyne Write Four Points Difference Arteries Veins 2 Explain Types Waste Based Nature Degradation 2 Solar System Write Name Planets Solar System Sequence 2 Write Definition Acid Base Based Arrhenius Principle Write Limitations Principle 2 Write Properties Hormone 2 Explain Acquired Trait Examples 2 Way Analogous Organs Gives Evidence Evolution Explain Usefulness Dam Constructed River 2 Explain Total Internal Reflection Using Diagram 3 Blind Student Draw Diagram Precautions Taken Use Electricity 3 Write Six Points Write Principle Uses Electric Motor Diagram ConGeneral Formula Alkyne Series Cnh2n B Cnh2n 2 C Cnh2n 2 CnhnPrimary State Transformation Coal Peat B Lignite C Bitumen AnthraciteExplain Method Preparation Hydrogen Gas Laboratory Chemical Equation Diagram 3 Explain Cleansing Process Soap Detergent 3 Write Industrial Production Ethanol Two Uses Mineral Coal Obtained Gujarat Ankleshwar B Khambat C Thangadh KalolExplain Processes Control Human Population 3 Angle Two Bonds Methane Molecule 105 54 B 109 28 C 119 28 190 28 Prepared Fisher Tropsch Method Acetone B Acetic Acid C Acetaldehyde EthanolLen Formula Derive Formula 1v 1u 1f Spherical Lens 5 Following Monomers Polythene Ch3 Ch3 B Ch2 Ch Ch Ch3 C Ch Ch Ch2 Ch2Write Name Different Stages Obtaining Pure Metal Ore 5 Explain Refining Copper Electrolysis Diagram Nutrition Explain Heterotrophic Nutrition Types 5 Respiration Write Detail Note Human Respiratory OrLength Small Intestine Adult Human 3 5 B 6 5 C 4 5 2 5Many Uriniferous Tubules Kidney 10 Lakhs B 20 Lakhs C 30 Lakhs 1 LakhFollowing Structure Responsible Transportation Water Higher Plants Sieve Tube B Sieve Cell C Vessel Name Liquid Medium Blood Known Plasma B Blood Particles C Waste Excretory Substances Waste MaterialWaste Products Stored Plants Plant Cells B Cytoplasm C Phloem Cell Cellular VacuolesFollowing Pairs True Testosterone Testes B Adrenaline Pituitary Gland C Pancreas Insulin ProgesteronCerebellum Medulla Oblongata Pons Part Mid Brain B Hind Brain C Fore Brain Spinal CordFollowing True Methods Artificial Propagation Fission Budding B Layering Cutting Budding C Cutting LMany Chromosomes Human Ovum 46 B 64 C 23 32Following Organs Homologous Organs Forelimb Human Lizard B Forelimb Lizard Frog C Wings Bat Birds WiHuman Species Genetic Roots India B America C Africa AustraliaFamous Constructive Functional Unit Ecosystem B Food Chain C Food Web NoneChlorine Main Factor Damage Ozone Layer Cfc Considered Responsible 80 Total Decrease Ozone Layer PolNames Endangered Plant Species Published Endangered Species Book B Green Data Book C Red Data Book YOne Day Contractor Workers Appeared Forest Cut Trees Men Folk Absent However Women Village Reached FThermal Conductivity Standard Swnt Long Length Wattm K 3500 Watt K B 35 000 Watt K C 350 K Watt 3600Name Nanotechnology Known Higher Performance Modern Technology B Ideal Technology C Engineering TechDirection Incident Ray Shown Following Figure Go Reflection Passes Pole Mirror B Comes Back DirectioFollowing Total Internal Reflection Light Possible Angle Incidence Critical Angle B Angle Incidence Gita Arranges Mirrors Group 1 Group 2 According Magnification Type Image Size Image Following Data SColour Light Scattered Maximum Atmosphere Red B Yellow C Blue GreenFollowing Figure Colours Number 1 2 Respectively Yellow Blue B Blue Yellow C Yellow Cyan Cyan YellowUnit Electric Charge Si System Coulomb B Volt C Watt AmpereUsed Anode Volta Cell Zinc Plate B Copper Plate C Carbon Rod Iron PlateConnection Resistances Divided Two Groups Follows Group 1 Group 2 Resistances Connected Series EqualFactor Resistance Conductor Depend Upon Volume Conductor B Length Conductor C Area Cross Section ConGave Law Electromagnetic Induction Oersted B Faraday C Volta AmpereMany Times Ac Electric Current Frequency 50 Hz Change Direction 25 B 50 C 100 200Figure Showing Fleming Left Hand Rule Given Finger 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Current StraFollowing Case Induced Current Loop Obtained Loop Moved Direction Magnet B Loop Magnet Moved OppositSolar System Comprises Sun Planets Satellites Asteroids Meteors Following Member Solar System Sun B Following True Case Bar Magnet Magnetic Field Lines Produced Around Magnetic Field Lines Intersect 9Imaginary Sphere Covering Sky Earth Centre Known Celestial Sphere Ecliptic Celestial Sphere Divided Satellite Launched India Direct Home V Transmission Irs P B Insat 4a C Insat 1 CartosatStars Appear Red Colour Blue Colour One Statements True Star Blue Colour Temperature Red Colour StarFollowing Table Lists Ph Values Acids Bases Solutions Ph Hydrochloric Acid 1 Milk 6 Pure Water 7 Bak3 Litre Aqueous Solution Prepared Dissolving 4 9 Gram H2so4 Water Calculate Ph Solution Need CalculaFollowing Substance Enters Body Red Ant Bites Us Melittin B Calcium Formate C Formic Acid Magnesium Substances Acidic Others Basic Scale Called Ph Scale Used Measure Extent Acidity Happen Ph Solution 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AmmSection Organic Compounds Section B Uses Mentioned Match Correct Options Section Section B 1 EthanolAtom Group Atoms Characteristic Reactions Organic Compounds Determined Atom Group Atoms Called HydroPolymer Used Non Stick Cooking Vessels Polythene B Isoprene C Teflon NeopreneStomach Important Organ Digestive System Food Churned Stomach Nearly Three Hours Found Stomach GivenNanotechnology Help Face Future Challenges 2 Discuss Two Properties Carbon Nanotubes Give Definition Electric Current Define Unit 2 Briefly Explain Coal Tar Coal Gas 2 Distinguish L P G C N G Draw Diagram Human Excretory System Label 2 Global Problems Mean Global Problems Organisms Facing Today 2 Terrestrial Planets Mention Common Characteristics 2 Reflection Give Two Examples 2 Neutralisation Explain 2 Geographical Isolation Major Factor Speciation Organism Reproduces Sexually Give Reasons Answer 2 ExGive Approaches Water Management 2 Explain Subtractive Method Mixing Pigment 3 State Characteristics Magnetic 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