Class 9 CBSE and State Board exam paper

Question 1

Which of the following is a chemical change?

Accepted Answer

Rusting of iron

Answer

Melting of ice

Answer

Dissolving salt in water

Answer

Boiling of water

Question 2

What is the correct chemical formula for Sodium Carbonate?

Accepted Answer

Na2CO3

Answer

NaCO3

Answer

NaHCO3

Answer

Na2SO4

Question 3

Who discovered the cell for the first time in 1665?

Accepted Answer

Robert Hooke

Answer

Robert Brown

Answer

Anton van Leeuwenhoek

Answer

Purkinje

Question 4

Which plant tissue is responsible for the transport of water and minerals from roots to other parts?

Accepted Answer

Xylem

Answer

Phloem

Answer

Parenchyma

Answer

Sclerenchyma

Question 5

An object travels 16 m in 4 s and then another 16 m in 2 s. What is the average speed of the object?

Accepted Answer

5.33 m/s

Answer

6 m/s

Answer

8 m/s

Answer

4 m/s

Question 6

Newton's first law of motion is also known as the:

Accepted Answer

Law of inertia

Answer

Law of momentum

Answer

Law of action and reaction

Answer

Law of gravitation

Question 7

What is the value of the universal gravitational constant G?

Accepted Answer

6.673 x 10^-11 N m^2/kg^2

Answer

9.8 m/s^2

Answer

6.673 x 10^11 N m^2/kg^2

Answer

9.8 x 10^-11 N m^2/kg^2

Question 8

The commercial unit of electrical energy is:

Accepted Answer

Kilowatt-hour (kWh)

Answer

Joule

Answer

Watt

Answer

Volt

Question 9

Sound waves in air are characterized as:

Accepted Answer

Longitudinal waves

Answer

Transverse waves

Answer

Electromagnetic waves

Answer

Polarized waves

Question 10

Which of the following is an infectious bacterial disease?

Accepted Answer

Tuberculosis

Answer

Diabetes

Answer

Cancer

Answer

Hypertension

Question 11

The boiling point of water on the Kelvin scale is:

Accepted Answer

373 K

Answer

273 K

Answer

100 K

Answer

0 K

Question 12

Which of the following is a homogeneous mixture?

Accepted Answer

Salt solution

Answer

Muddy water

Answer

Chalk powder in water

Answer

Oil in water

Question 13

The atomic number of an element is always equal to its number of:

Accepted Answer

Protons

Answer

Neutrons

Answer

Nucleons

Answer

Valence electrons

Question 14

Which cell organelle is known as the powerhouse of the cell?

Accepted Answer

Mitochondria

Answer

Golgi apparatus

Answer

Plastid

Answer

Ribosome

Question 15

Which of the following is a simple permanent tissue in plants?

Accepted Answer

Parenchyma

Answer

Xylem

Answer

Phloem

Answer

Vascular cambium

Question 16

A body of mass 2 kg is moving with a velocity of 4 m/s. Its kinetic energy is:

Accepted Answer

16 Joules

Answer

8 Joules

Answer

4 Joules

Answer

32 Joules

Question 17

The audible range of hearing for an average healthy human ear is:

Accepted Answer

20 Hz to 20,000 Hz

Answer

2 Hz to 2,000 Hz

Answer

200 Hz to 20,000 Hz

Answer

20 Hz to 200,000 Hz

Question 18

Which greenhouse gas is primarily responsible for global warming?

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Argon

Question 19

Every rational number is a:

Accepted Answer

Real number

Answer

Natural number

Answer

Whole number

Answer

Integer

Question 20

What is the degree of the zero polynomial?

Accepted Answer

Not defined

Answer

1

Answer

Any natural number

Question 21

The coordinate point (-3, -5) lies in which quadrant?

Accepted Answer

Quadrant III

Answer

Quadrant I

Answer

Quadrant II

Answer

Quadrant IV

Question 22

The linear equation 2x + 3y = 6 has:

Accepted Answer

Infinitely many solutions

Answer

A unique solution

Answer

Two solutions

Answer

No solution

Question 23

Euclid stated that all right angles are equal to each other in the form of a/an:

Accepted Answer

Postulate

Answer

Axiom

Answer

Definition

Answer

Proof

Question 24

If two complementary angles are in the ratio 2:3, find the measure of the larger angle.

Accepted Answer

54 degrees

Answer

36 degrees

Answer

60 degrees

Answer

45 degrees

Question 25

In triangles ABC and PQR, if AB = PQ, BC = QR, and angle B = angle Q, then the triangles are congruent by which criterion?

Accepted Answer

SAS

Answer

SSS

Answer

ASA

Answer

RHS

Question 26

The diagonals of a parallelogram always:

Accepted Answer

Bisect each other

Answer

Are equal in length

Answer

Are perpendicular to each other

Answer

Bisect the angles at the vertices

Question 27

If the area of a triangle is 48 sq.cm and its base is 12 cm, find its corresponding altitude.

Accepted Answer

8 cm

Answer

4 cm

Answer

6 cm

Answer

12 cm

Question 28

The angle subtended by an arc at the center of a circle is ________ the angle subtended by it at any point on the remaining part of the circle.

Accepted Answer

Double

Answer

Half of

Answer

Triple

Answer

Equal to

Question 29

Find the area of a triangle whose sides are 3 cm, 4 cm, and 5 cm using Heron's formula.

Accepted Answer

6 sq.cm

Answer

12 sq.cm

Answer

15 sq.cm

Answer

10 sq.cm

Question 30

If the radius of a sphere is 2r, then its volume will be:

Accepted Answer

32/3 * pi * r^3

Answer

4/3 * pi * r^3

Answer

8/3 * pi * r^3

Answer

16/3 * pi * r^3

Question 31

What is the class mark of the class interval 90-120?

Accepted Answer

105

Answer

90

Answer

115

Answer

120

Question 32

If the probability of winning a game is 0.6, what is the probability of losing it?

Accepted Answer

0.4

Answer

0.6

Answer

1.0

Question 33

If x + y + z = 0, then x^3 + y^3 + z^3 is equal to:

Accepted Answer

3xyz

Answer

xyz

Answer

2xyz

Question 34

The sum of all interior angles of a quadrilateral is:

Accepted Answer

360 degrees

Answer

180 degrees

Answer

270 degrees

Answer

540 degrees

Question 35

On which date did the storming of the Bastille occur, marking the beginning of the French Revolution?

Accepted Answer

14th July 1789

Answer

14th July 1798

Answer

20th June 1789

Answer

21st September 1792

Question 36

Who was the leader of the Bolshevik party during the Russian Revolution?

Accepted Answer

Vladimir Lenin

Answer

Karl Marx

Answer

Leon Trotsky

Answer

Joseph Stalin

Question 37

What was the German Parliament called during the Weimar Republic?

Accepted Answer

Reichstag

Answer

Duma

Answer

Estates General

Answer

Congress

Question 38

The Standard Meridian of India (82 degrees 30 minutes E) passes through which of the following cities?

Accepted Answer

Mirzapur

Answer

Patna

Answer

Bhopal

Answer

Jaipur

Question 39

Which is the highest peak in the Western Ghats of India?

Accepted Answer

Anamudi

Answer

Mahendragiri

Answer

Kanchenjunga

Answer

Doddabetta

Question 40

Which of the following rivers flows through a rift valley?

Accepted Answer

Narmada

Answer

Ganga

Answer

Krishna

Answer

Godavari

Question 41

Which of the following states receives rainfall from the North-East Monsoon during the winter season?

Accepted Answer

Tamil Nadu

Answer

Kerala

Answer

Punjab

Answer

Maharashtra

Question 42

Cinchona trees, which yield quinine, are found in areas receiving rainfall of more than:

Accepted Answer

100 cm

Answer

70 cm

Answer

50 cm

Answer

20 cm

Question 43

Who was the Chairman of the Drafting Committee of the Indian Constitution?

Accepted Answer

Dr. B.R. Ambedkar

Answer

Dr. Rajendra Prasad

Answer

Jawaharlal Nehru

Answer

Sardar Vallabhbhai Patel

Question 44

What is the minimum age for a citizen to vote in Lok Sabha elections in India?

Accepted Answer

18 years

Answer

21 years

Answer

25 years

Answer

30 years

Question 45

Which institution has the final authority to interpret the Constitution of India?

Accepted Answer

The Supreme Court

Answer

The Parliament

Answer

The President

Answer

The Prime Minister

Question 46

What is the main economic production activity in the hypothetical village of Palampur?

Accepted Answer

Farming

Answer

Dairy farming

Answer

Small-scale manufacturing

Answer

Transport

Question 47

Which of the following is considered a part of working capital in production?

Accepted Answer

Raw materials and money in hand

Answer

Tools and machines

Answer

Buildings

Answer

Tractors

Question 48

Which organization conducts the periodic sample surveys for estimating the poverty line in India?

Accepted Answer

National Sample Survey Office (NSSO)

Answer

NITI Aayog

Answer

Reserve Bank of India (RBI)

Answer

Central Statistical Office (CSO)

Question 49

Identify the correct passive voice of: 'The teacher is teaching the students.'

Accepted Answer

The students are being taught by the teacher.

Answer

The students were being taught by the teacher.

Answer

The students are taught by the teacher.

Answer

The students have been taught by the teacher.

Question 50

Fill in the blank with the correct modal auxiliary: 'You _______ respect your elders.'

Accepted Answer

ought to

Answer

might

Answer

could

Answer

would

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📋 Class 9 CBSE and State Board exam paper