Class Syllabus
Grade 9 — Maths & Science Complete NCERT-aligned chapter list for Grade 9. Every chapter has sample questions to preview. All questions are aligned with CBSE, ICSE, IB and State Board curricula. Sign up free to practise the full bank.
4,504 practice questions 45 chapters Free trial
1 Probability136 Qs → Sample questions
A card is selected at random from a deck of $52$ cards. The probability of its being a red face card is
(A) $\frac{3}{13}$ (B) $\frac{1}{2}$ (C) $\frac{1}{26}$ (D) $\frac{3}{26}$ easy What is the probability that a leap year has $53$ Sundays?
(A) $\frac{1}{7}$ (B) $\frac{4}{5}$ (C) $\frac{2}{3}$ (D) $\frac{2}{7}$ medium Probability of boy that he will get married with his girlfriend is $\frac{2}{7}$ then probability that he will not get married will be:
(A) $\frac{5}{7}$ (B) $\frac{7}{2}$ (C) $\frac{2}{7}$ (D) $\frac{7}{10}$ easy 2 Surface Areas and Volumes117 Qs → Sample questions
If a spherical balloon grows to twice its radius when inflated, then the ratio of the volume of the inflated balloon to the original balloon is
(A) it is $8:1$ (B) it is $4:1$ (C) it is $5:1$ (D) it is $6:1$ medium The length of the longest rod that can fit in a cubical vessel of side $10 ext{ cm}$, is
(A) $10 ext{ cm}$ (B) $10\sqrt{2} ext{ cm}$ (C) $10\sqrt{3} ext{ cm}$ (D) $20 ext{ cm}$ medium A right circular cone has an altitude of $40 ext{ cm}$ and a diameter of $60 ext{ cm}$. The slant height of the cone is
(A) $25 ext{ cm}$ (B) $100 ext{ cm}$ (C) $75 ext{ cm}$ (D) $50 ext{ cm}$ medium 3 Polynomials115 Qs → Sample questions
Which of the following is a constant polynomial?
(A) $x + \frac{1}{x} - 3$ (B) $\frac{1}{x} + 3$ (C) $\sqrt{x} + 2$ (D) $-4$ easy Degree of polynomial $2x^3 + \sqrt{3}x + x^5 - x - 7$ is
(A) $1$ (B) $3$ (C) $0$ (D) $5$ easy The coefficient of the highest power of $x$ in the polynomial $3x^3 – 4x^4 + 5x^2 – 2x^5 + 3$ is
(A) $2$ (B) $-4$ (C) $3$ (D) $-2$ easy 4 Quadrilaterals72 Qs → Sample questions
The diagonals of a rectangle PQRS intersects at O. If $\angle QOR = 44^\circ$, $\angle OPS =?$
(A) 82° (B) 52° (C) 68° (D) 75° medium If angles A, B, C and D of the quadrilateral ABCD, taken in order, are in the ratio $3:7:6:4$, then ABCD is
(A) rhombus (B) parallelogram (C) trapezium (D) kite medium All the angles of a convex quadrilateral are congruent. However, not all its sides are congruent. What type of quadrilateral is it?
(A) Parallelogram (B) Square (C) Rectangle (D) Trapezium easy 5 Circles71 Qs → Sample questions
If there are two separate circles drawn apart from each other, then the maximum number of common points they have:
easy If the diameter of a circle is $AD = 50$ cm and a chord is $AB = 48$ cm, then the distance of $AB$ from the centre of the circle is
(A) $6$ cm (B) $8$ cm (C) $5$ cm (D) $7$ cm medium In a circle with center $O$ and a chord $BC$, points $D$ and $E$ lie on the same side of $BC$. Then, if $\angle BDC = 80\deg$, then $\angle BEC =$
(A) $80\deg$ (B) $20\deg$ (C) $160\deg$ (D) $40\deg$ easy 6 Constructions55 Qs → Sample questions
If we bisect a line segment of length $3.5 ext{ cm}$, then the measure of each of equal parts will be
(A) $7 ext{ cm}$ (B) $1.75 ext{ cm}$ (C) $1.25 ext{ cm}$ (D) $5.5 ext{ cm}$ easy Perpendicular bisector of a line segment divides it into
(A) infinite equal parts (B) two equal parts (C) three equal parts (D) four equal parts easy Bisector of an angle divides the angle into
(A) two equal parts (B) three equal parts (C) infinite equal parts (D) ten equal parts easy 7 Number System23 Qs → Sample questions
Which of the following is a rational number?
(A) π (B) 0 (C) $1+\sqrt{3}$ (D) $2\sqrt{3}$ easy Which of the following is the product of $\frac{7}{6}$ and $\frac{-2}{21}$?
(A) $\frac{-1}{6}$ (B) $\frac{1}{12}$ (C) $\frac{-16}{63}$ (D) $\frac{-147}{16}$ medium In between two rational numbers there is/are:
(A) Exactly one rational number (B) Infinitely many rational numbers (C) Many irrational numbers (D) Only irrational numbers easy 8 Coordinate Geometry 23 Qs → Sample questions
Abscissa of a point is positive in:
(A) I and II quadrants (B) I and IV quadrants (C) I quadrant only (D) II quadrant only easy The points $(a, a)$, $(-a, a)$ and $(- \sqrt{3} a, \sqrt{3} a)$ form the vertices of an :
(A) Scalene triangle (B) Right angled triangle (C) Isosceles Right angled triangle (D) Equilateral triangle medium The point $(-2, 0)$ lies on :
(A) +ve x-axis (B) +ve y-axis (C) -ve x-axis (D) -ve y-axis easy 9 Triangles22 Qs → Sample questions
If $\triangle ABC \cong \triangle PQR$, then which of the following is true?
(A) CB = QP (B) CA = RP (C) AC = RQ (D) AB = RP easy In $\triangle ABC$ and $\triangle DEF$, $AB = DE$ and $\angle A = \angle D$. Then two triangles will be congruent by SA axiom if:
(A) BC = EF (B) AC = EF (C) AC = DE (D) BC = DE medium In a right triangle, the longest side is:
(A) Perpendicular (B) Hypotenuse (C) Base (D) None of the above easy 10 Introduction to Euclid’s Geometry21 Qs → Sample questions
If $a > b$ and $b > c$, then,
(A) $(a) a = c$ (B) $(b) a < c$ (C) $(c) a > c$ (D) $(d) a \le c$ easy 'Lines are parallel if they do not intersect' – is stated in the form of:
(A) (a) A postulate (B) (b) An axiom (C) (c) A definition (D) (d) A proof easy If two circles are equal, then their radii are ...............
(A) (a) Equal (B) (b) Diminished (C) (c) Different (D) (d) None of these easy 11 Statistics19 Qs → Sample questions
The minimum value of a data is $82$ and range is $38$, then the maximum value is
(A) 60 (B) 76 (C) 82 (D) 120 easy In a grouped frequency distribution, the class intervals are $0-10, 10-20, 20-30$, ..., then the class width is
easy Which of the following variables are discrete?
1. Size of shoes
2. Number of pages in a book
3. Distance travelled by a train
4. Time
(A) 1 and 2 (B) 1 and 4 (C) 1 and 3 (D) 2 and 4 medium 12 Areas of Parallelograms and Triangles18 Qs → Sample questions
What is the area of a parallelogram?
(A) $ rac{1}{2} \times$ Base $\times$ Altitude (B) Base $\times$ Altitude (C) $ rac{1}{4} \times$ Base $\times$ Median (D) Base $\times$ Base easy AE is a median to side BC of triangle ABC. If area($\triangle$ABC) = $24 \text{ cm}^2$, then area($\triangle$ABE) =
(A) $8 \text{ cm}^2$ (B) $12 \text{ cm}^2$ (C) $16 \text{ cm}^2$ (D) $18 \text{ cm}^2$ medium In the figure, $\angle PQR = 90^\circ$, PS = RS, QP = $12 \text{ cm}$ and QS = $6.5 \text{ cm}$. The area of $\triangle PQR$ is
(A) $30 \text{ cm}^2$ (B) $20 \text{ cm}^2$ (C) $39 \text{ cm}^2$ (D) $60 \text{ cm}^2$ hard 13 Linear Equations for Two Variables18 Qs → Sample questions
A linear equation in two variables has maximum:
(A) Only one solution (B) Two solution (C) Infinite solution (D) None of these easy Solutions of the equation $2x + 5y = 0$ is:
(A) (3,0) (B) (-3,2) (C) (0,0) (D) (0,4) easy All linear equations in two variables have ____________.
(A) One solution (B) Infinitely many solutions (C) Three solutions (D) Two solution easy 14 Heron’s Formula14 Qs → Sample questions
The perimeter of a rhombus is $20$ cm. One of its diagonals is $8$ cm. Then area of the rhombus is
(A) 24 cm$^2$ (B) 42 cm$^2$ (C) 18 cm$^2$ (D) 36 cm$^2$ medium If the height of a parallelogram having $500$ cm$^2$ as the area is $20$ cm, then its base is of length
(A) 25 cm (B) 15 cm (C) 20 cm (D) 50 cm easy The area of quadrilateral PQRS, in which $PQ = 7$ cm, $QR = 6$ cm, $RS = 12$ cm, $PS = 15$ cm and $PR = 9$ cm:
(A) 74.98 cm$^2$ (B) 25.25 cm$^2$ (C) 75 cm$^2$ (D) 68.25 cm$^2$ hard 15 Lines and Angles9 Qs → Sample questions
Given four points such that no three of them are collinear, then the number of lines that can be drawn through them are:
(A) (a) 4 lines (B) (b) 8 lines (C) (c) 6 lines (D) (d) 2 lines medium Sum of the measure of an angle and its vertically opposite angle is always.
(A) (a) Zero (B) (b) Thrice the measure of the original angle (C) (c) Double the measure of the original angle (D) (d) Equal to the measure of the original angle easy If two parallel lines are cut by a transversal, then the pairs of corresponding angles are congruent.
(A) (a) Equal (B) (b) Complementary (C) (c) Supplementary (D) (d) corresponding easy 1 Structure of the Atom248 Qs → Sample questions
Who proposed the 'plum pudding' model of the atom?
(A) J.J. Thomson (B) Ernest Rutherford (C) Niels Bohr (D) John Dalton easy Which subatomic particle has no charge?
(A) Electron (B) Proton (C) Neutron (D) Positron easy What is the approximate charge of an electron?
(A) $-1$ (B) $+1$ (C) $0$ (D) $-2$ easy 2 Why Do We Fall Ill?242 Qs → Sample questions
Which of the following is NOT a pathogen?
(A) Virus (B) Bacteria (C) Fungus (D) Vitamin easy Antibiotics are used to treat diseases caused by:
(A) Viruses (B) Bacteria (C) Fungi (D) Protozoa easy Which of the following diseases is caused by a virus?
(A) Tuberculosis (B) Malaria (C) Common cold (D) Ringworm easy 3 Atoms and Molecules240 Qs → Sample questions
Which of the following is a diatomic molecule?
(A) N_{2} (B) NaCl (C) H_{2}O (D) CH4 easy Which particle determines the atomic number of an element?
(A) Proton (B) Neutron (C) Electron (D) Molecule easy Which formula represents common salt?
(A) NaCl (B) H_{2}SO_{4} (C) CH4 (D) CaCO3 easy 4 Work and Energy237 Qs → Sample questions
If a force of 10 N moves an object 5 m in the direction of the force, how much work is done?
(A) 50 J (B) 15 J (C) 2 J (D) 100 J easy What is the SI unit of work?
(A) Joule (B) Newton (C) Watt (D) Pascal easy Which of the following is the correct expression for work done when force and displacement are at an angle \( \theta \)?
(A) \( W = Fd \cos \theta \) (B) \( W = Fd \sin \theta \) (C) \( W = Fd \tan \theta \) (D) \( W = F + d \cos \theta \) easy 5 Gravitation228 Qs → Sample questions
If the distance between two objects is doubled, how does the gravitational force between them change?
(A) Becomes one-fourth (B) Becomes double (C) Becomes four times (D) Remains the same easy What force keeps planets in orbit around the Sun?
(A) Gravitational force (B) Electrostatic force (C) Frictional force (D) Magnetic force easy On which of the following does the acceleration due to gravity depend?
(A) Mass of the object (B) Mass of the Earth (C) Distance from the center of the Earth (D) Both mass of the Earth and distance from its center easy 6 Sound210 Qs → Sample questions
What is the unit of frequency of sound?
(A) Hertz (B) Pascal (C) Decibel (D) Meter easy The speed of sound in air is approximately:
(A) 330 m/s (B) 150 m/s (C) 500 m/s (D) 1000 m/s easy Which property of sound causes the phenomenon of echo?
(A) Reflection (B) Refraction (C) Diffraction (D) Absorption easy 7 Diversity in the Living Organisms197 Qs → Sample questions
Which of the following is a unicellular organism?
(A) Amoeba (B) Earthworm (C) Frog (D) Human easy Plants make their own food through the process called?
(A) Photosynthesis (B) Respiration (C) Digestion (D) Transpiration easy Which group of organisms can live in extreme environments?
(A) Archaebacteria (B) Plantae (C) Fungi (D) Animalia easy 8 The Fundamental Unit of Life196 Qs → Sample questions
What part of the cell controls the activities of the cell?
(A) Nucleus (B) Mitochondria (C) Ribosome (D) Chloroplast easy Which cell component stores food and other substances in plants?
(A) Vacuole (B) Golgi apparatus (C) Lysosome (D) Endoplasmic reticulum easy What is the basic structural and functional unit of all living organisms?
(A) Cell (B) Tissue (C) Organ (D) Organ system easy 9 Improvement in Food Resources185 Qs → Sample questions
Which of these improves soil fertility by adding nitrogen?
(A) Leguminous plants (B) Cereals (C) Non-leguminous plants (D) Fungi easy The practice of growing two or more crops on the same piece of land simultaneously is called?
(A) Mixed cropping (B) Monoculture (C) Sericulture (D) Horticulture easy The use of high yielding varieties of seeds along with fertilizers and pesticides is called?
(A) The Green Revolution (B) Organic farming (C) Hydroponics (D) Sericulture easy 10 Natural Resources182 Qs → Sample questions
What is the main cause of depletion of natural resources?
(A) Pollution (B) Deforestation (C) Conservation (D) Recycling easy Which of the following methods helps in conservation of natural resources?
(A) Overcutting forests (B) Using fossil fuels excessively (C) Recycling materials (D) Dumping waste in water bodies easy Which natural resource is used to produce electricity in a hydroelectric power plant?
(A) Wind (B) Water (C) Coal (D) Sunlight easy 11 Tissues182 Qs → Sample questions
Which of the following is a simple permanent tissue in plants?
(A) Parenchyma (B) Xylem (C) Phloem (D) Sclerenchyma easy What type of tissue transports water in plants?
(A) Phloem (B) Xylem (C) Parenchyma (D) Collenchyma easy Collenchyma tissue in plants is mainly responsible for:
(A) Storage (B) Support and flexibility (C) Transport (D) Photosynthesis easy 12 Motion181 Qs → Sample questions
What is the SI unit of speed?
easy If a car travels 100 meters in 20 seconds, what is its speed?
(A) 5 m/s (B) 20 m/s (C) 100 m/s (D) 0.2 m/s easy An object moving with uniform speed means:
(A) Speed is constant (B) Speed is increasing (C) Speed is decreasing (D) Speed is zero easy 13 Is Matter Around Us Pure175 Qs → Sample questions
Which of the following is a pure substance?
(A) Salt water (B) Air (C) Pure water (D) Soil easy Which of the following is an example of an element?
(A) Water (B) Oxygen (C) Salt (D) Sugar easy Which method is commonly used to separate components of a mixture based on particle size?
(A) Filtration (B) Evaporation (C) Distillation (D) Chromatography easy 14 Matter in our Surroundings174 Qs → Sample questions
What can be said about the shape of a solid?
(A) It has a fixed shape (B) It takes the shape of its container (C) It flows freely (D) It has no definite shape easy What is the SI unit of mass?
(A) Gram (B) Kilogram (C) Liter (D) Meter easy The change of a gas directly into solid is called:
(A) Sublimation (B) Deposition (C) Condensation (D) Evaporation easy 15 Force and Laws of Motion172 Qs → Sample questions
What is the formula to calculate force when mass and acceleration are given?
(A) Force = Mass $\times$ Acceleration (B) Force = Mass + Acceleration (C) Force = Mass $\div$ Acceleration (D) Force = Acceleration - Mass easy What is inertia?
(A) Resistance of a body to change its state of motion (B) Force applied to a body (C) Acceleration caused by force (D) Speed of a moving object easy Which of these is an example of Newton's Second Law?
(A) Pushing a trolley to increase its speed (B) A book resting on a table (C) A rocket launching upward (D) Two ice skaters pushing each other easy 16 Matter - Its Nature and Behaviour150 Qs → Sample questions
What is the basic unit of matter?
(A) Atom (B) Molecule (C) Electron (D) Proton easy Which state of matter has a definite shape and definite volume?
(A) Solid (B) Liquid (C) Gas (D) Plasma easy Which of the following is a physical change?
(A) Melting of ice (B) Burning of paper (C) Rusting of iron (D) Digestion of food easy 17 Organisation in the Animal Kingdom150 Qs → 18 Plant structure60 Qs → Sample questions
The part of the plant which grows under the soil is called .....
(A) Root (B) Stem (C) Leaf (D) Flower medium The part of the seed that grows into root is called .....
(A) Plumule (B) Radicle (C) Cotyledon (D) Endosperm medium The part of the seed that grows into stem is called .....
(A) Radicle (B) Plumule (C) Cotyledon (D) Testa medium 19 Laws of motion32 Qs → Sample questions
Why are cars, bicycles and other vehicles driven slowly on rainy days?
(A) There are many chances of slipping as they meet much less rolling friction (B) There are many chances of slipping as they meet much less sliding friction (C) There are many chances of slipping as they meet much more rolling friction (D) There are many chances of slipping as they meet much more sliding friction medium What is the difference between an object's speed and velocity?
(A) Speed includes direction as well as the rate of travel (B) Velocity includes time during which travel occurred (C) Velocity includes the direction of travel and speed does not (D) There is no difference medium This is a velocity-time graph. What is the object doing in segment C?
(A) Positive acceleration (B) Negative acceleration (C) Constant velocity (D) Not moving medium 20 Simple machine, Work and Energy30 Qs → Sample questions
Work done upon a body is .....
(A) A vector quantity. (B) A scalar quantity. (C) Always positive. (D) Always negative. medium No work is said to have been done when an object moves an angle of -----------degree with the direction of the force.
(A) 0 (B) 90 (C) 180 (D) Between 90 and 180 medium Mechanically work done is equal to __________ F = Force, S = Displacement.
(A) W = F/S (B) W = FS (C) W = F + S (D) W = F - S medium 21 Solar System30 Qs → Sample questions
All stars begin as .....
(A) A black hole (B) A quasar (C) A nebula (D) A supernovae medium The solar eclipse occurs when .....
(A) The sun comes in between the moon and the earth. (B) The earth comes in between the sun and the moon. (C) The moon comes in between the sun and the earth. (D) None of the above. medium Which planet is called Red planet?
(A) Mercury (B) Mars (C) Venus (D) Jupiter medium 22 Electricity30 Qs → Sample questions
Which of the following protects electrical appliance from overloading?
(A) Fuse (B) Switch (C) Starter (D) Regulator medium In electroscope the leaves which are attached to the end of rod are made up of .....
medium Which method is used to produce static electricity?
(A) Conduction (B) Convection (C) Friction (D) Radiation medium 23 Biotechnology30 Qs → Sample questions
The epithelial tissue in the tubules of kidney that allows absorption of useful material is _____
(A) Stratified squamous epithelium tissue (B) Simple cuboidal epithelium tissue (C) Simple columnar epithelium tissue (D) Glandular epithelium tissue medium Blood is classified as a(n) _____ tissue.
(A) Nervous (B) Epithelial (C) Muscle (D) Connective medium Contractility is a property of _____ tissue.
(A) Muscle (B) Nervous (C) Epithelial (D) Connective medium 24 Substance in common use30 Qs → Sample questions
In Toothpaste, function of fluoride is .....
(A) Prevent tooth decay. (B) To strengthen bones (C) To strengthen enamel covering of teeth. (D) All of above. medium When saturated solution of sodium chloride is electrolysed, which gas will release at the cathode?
(A) Chlorine (B) Water vapor (C) Hydrogen (D) Sodium medium Baking soda is ................. in nature.
(A) Acidic (B) Basic (C) Neutral (D) Amphoteric medium 25 Carbon and compounds30 Qs → Sample questions
Chemistry of carbon compounds is known as _____
(A) Organic chemistry (B) Inorganic chemistry (C) Physical chemistry (D) Biochemistry medium Which statement is wrong regarding diamond?
(A) It is metal (B) It is form of carbon (C) It is bad conductor of electricity (D) If heated it will give carbon dioxide medium Which of the following is an example of fossil fuel?
(A) Petroleum (B) Coal (C) Natural gas (D) All of above medium 26 Cell & Microbiology30 Qs → Sample questions
The cell wall is present in _____
(A) Bacteria (B) Blue-green algae (C) Plants (D) All of above medium Currency of the cell is _____
(A) Mitochondria (B) Lysosomes (C) ATP (D) None medium Mitochondria are also called as _____
(A) Secretory of the cells (B) Protein factories (C) Powerhouse of the cell (D) Center of the cell medium 27 Organ System30 Qs → Sample questions
What are the major chemical components of the chromosome?
(A) DNA (B) RNA (C) Proteins (D) All Of Above medium How many autosomes are in human beings?
(A) 23 pair (B) 22 pair (C) 1 pair (D) 44 pair medium Where are chromosomes found?
(A) Nucleus of a cell (B) Bottom of a cell (C) Wall of a cell (D) Cell membrane medium 28 Acid, base & salt30 Qs → Sample questions
An acid is defined as _____
(A) The number of replaceable H+ ions (B) The number of H+ ions that can be formed from the acid (C) The power of the acid to form salts (D) None of the above medium Which of the following oxides when dissolved in water gives a solution which turns blue litmus red?
(A) MgO (B) CaO (C) CO₂ (D) CuO medium Which of the following acid is used in fire extinguishers?
(A) Hydrochloric acid (B) Sulphuric acid (C) Nitric acid (D) Oxalic acid medium 29 Life Process30 Qs → Sample questions
Process in which food substances are moved to rest of plant by phloem is known as:
(A) Transpiration (B) Translocation (C) Respiration (D) Photosynthesis medium Phloem is a vessel in plants which carries:
(A) Food and minerals to leaves from roots. (B) Food and minerals to roots from leaves. (C) Prepared food to other parts from roots. (D) Prepared food to other parts from leaves. medium Food transported in form of a sugar is known as:
(A) Fructose (B) Glucose (C) Sucrose (D) Maltose medium 30 Periodic Table30 Qs → Sample questions
An element has configuration 2, 8, 1. It belongs to .....
(A) 1st group and 3rd period (B) 3rd group and 1st period (C) 1st group and 8th period (D) 17th group and 3rd period medium Which of the following is the outermost shell for elements of period 2?
(A) K shell (B) L shell (C) M shell (D) N shell medium The property of an element in the periodic table depends on its ....
(A) Atomic size (B) Atomic mass (C) Electronic configuration (D) Number of protons medium Start mastering Grade 9 today Free signup — includes AI doubt solver, gamified practice & leaderboards.
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