Chemical Effects of Electric Current
Some natural Phenomena
Force and Pressure
Pollution of Air and Water
Cell Structure and Functions
Crop Production and Management
Friction
Reproduction in Animals
Synthetic Fibres and Plastics
Coal and Petroleum
Combustion and Flame
Reaching the Age of Adolescence
Conservation and Flame
Light
Materials: Metals and Non-Metals
Microorganisms: Friend and Foe
Sound
Stars and the Solar System
Conservation of Plants and Animals

Algebraic Expressions and Identities
Data Handling
Direct and Inverse Proportions
Linear Equations in One Variable
Visualising Solid Shapes
Introduction to Graphs
Understanding Quadrilaterals
Factorisation
Cubes and Cube Roots
Comparing Quantities
Practical Geometry
Rational Numbers
Squares and Square Roots
Exponents and Powers
Mensuration
Playing with Numbers

Introduction to Graphs

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Q 1. Which of the following points lies on the {tex} x {/tex} -axis?

{tex} ( 0,3 ) {/tex}

{tex} ( - 3,0 ) {/tex}

{tex} ( - 5 , - 1 ) {/tex}

{tex} ( 4 , - 3 ) {/tex}

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Q 2. Which of the following points lies on the {tex} y {/tex}-axis?

{tex} ( 2 , - 3 ) {/tex}

{tex} ( 0,8 ) {/tex}

{tex} ( - 8,0 ) {/tex}

{tex} ( - 1,2 ) {/tex}

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Q 3. Which of the following points represents the origin?

{tex} ( 3,2 ) {/tex}

{tex} ( 8,0 ) {/tex}

{tex} ( 0 ,- 7 ) {/tex}

{tex} ( 0,0 ) {/tex}

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Q 4. The x-coordinate of every point on the {tex}\mathrm{y}{/tex}-axis is

1

{tex} - 1 {/tex}

0

none of these

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Q 5. Which of the following points lie on the {tex}\mathrm{x }{/tex} -axis?

{tex} ( 0,3 ) {/tex}

{tex} ( 5,0 ) {/tex}

{tex} ( 1,1 ) {/tex}

{tex} ( 0,1 ) {/tex}

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Q 6. Which of the following points lie on the {tex}\mathrm{y}{/tex}-axis?

{tex} ( 1,0 ) {/tex}

{tex} ( 2,2 ) {/tex}

{tex} ( 0,2 ) {/tex}

none of these

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Q 7. The abscissa of the point {tex} ( - 1,0 ) {/tex} is

{tex}\mathrm{0}{/tex}

{tex} - 1 {/tex}

either {tex}0 {/tex} or {tex} - 1 {/tex}

none of these

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Q 8. The ordinate of the point {tex} ( 4 , - 1 ) {/tex} is

{tex} - 1 {/tex}

{tex}\mathrm{4}{/tex}

either {tex} - 1 {/tex} or {tex} - 4 {/tex}

none of these

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Q 9. If the coordinates of a point are {tex} ( - 2,4 ) {/tex}, the point lies in

first quadrant

second quadrant

third quadrant

none of these

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