### 9th Standard CBSE Science Study material & Free Online Practice Tests - View and download Sample Question Papers with Solutions for Class 9 Session 2019 - 2020 CBSE

#### 9th CBSE Science Nature Resources Model Question Paper - by Chaaya - Jaipur Aug 20, 2019 - View & Download

• 1)

Which of the following compound is not degraded by any biological process?

• 2)

The surface of the earth covered with water is

• 3)

Bits of decayed living organisms in soil is called

• 4)

Which one of the following are not involved in nitrogen fixation?

• 5)

Nitrogen fixing bacteria cannot fix N2 in presence of

#### 9th Standard CBSE Science Why Do We Fall Ill Model Question Paper - by Chaaya - Jaipur Aug 19, 2019 - View & Download

• 1)

The protozoan organism that causes kalaazar is

• 2)

Which one of the following is not a viral disease?

• 3)

What do that following observations indicate?
(i) Headache (ii) Loose motion (iii) Cough (iv) Symptoms of a disease

• 4)

Penicillin skills bacteria but not our cells because

• 5)

Who were awarded nobel prize for discovery of peptic ulcer causing bacterium Helicobacter pylori?

#### 9th Standard CBSE Science Sound Model Question Paper - by Chaaya - Jaipur Aug 17, 2019 - View & Download

• 1)

Which of the following is carried by the waves from one place to another?

• 2)

In gases a sound wave is

• 3)

Hz is the unit of

• 4)

The reciprocal if frequency is

• 5)

Sound waves are

#### 9th Standard CBSE Science Work and Energy Model Question Paper - by Chaaya - Jaipur Aug 16, 2019 - View & Download

• 1)

Work done is measure by

• 2)

Joule is the unit of

• 3)

Ns is equivalent to

• 4)

A body is acted upon by a force which is inversely proportional to the distance covered (S).The work done will be proportional to

• 5)

Kg m2 s-2 is associated with

#### 9th Standard CBSE Science Unit 10 Gravitation Model Question Paper - by Chaaya - Jaipur Aug 14, 2019 - View & Download

• 1)

When an object is thrown up, the force of gravity

• 2)

Newton's law of gravitation is applicable to

• 3)

If the distance force of masses is doubled, the force between them will be

• 4)

As we go from the equator to the poles, the value of 'g'

• 5)

If the earth suddenly shrinks to half its present size, the value of acceleration due to gravity will

#### 9th Standard CBSE Science Force and Laws of Motion Model Question Paper - by Chaaya - Jaipur Aug 13, 2019 - View & Download

• 1)

An athlete runs some distance before taking a long jump because

• 2)

The combined effect of mass and velocity is taken into account by a physical quantity called

• 3)

Qualitative definition of force is given by

• 4)

A force of 15 N acts separately on two bodies of masses 3 kg and 5 kg. The ratio of the accelerations produced in the two cases will be

• 5)

A train drop of mass 0.1g is falling with uniform speed of $10 cm^{-1}$ What is the net force acting on the drop?

#### 9th Standard CBSE Science Unit 8 Motion Model Question Paper - by Chaaya - Jaipur Aug 12, 2019 - View & Download

• 1)

The SI of velocity is

• 2)

The initial velocity of a body is u.It is under uniform acceleration a its velocity v at any time t is given by

• 3)

A ball is thrown vertically upwards It rises to a height of 50 m and comes back to the thrower

• 4)

The initial velocity of a train which is stopped in 20 s by applying brakes retardation due to brakes being 1.5 $ms^{ -2 }$ is

• 5)

The slope of speed-time graph gives

#### 9th Standard CBSE Science Unit 7 Diversity in Living Organisms Model Question Paper - by Chaaya - Jaipur Aug 12, 2019 - View & Download

• 1)

Whittaker classified all organisms into

• 2)

Which one of the following hierarchial categories is the top taxonomical category?

• 3)

The fundamental basic taxonomical unit of classification is

• 4)

Which one of the following is the example of Thallophyta?

• 5)

Which one of the following belongs to coelenterata?

#### 9th Standard CBSE Science Unit 6 Tissues Model Question Paper - by Chaaya - Jaipur Aug 03, 2019 - View & Download

• 1)

A group of cells similar in form, function and origin is known as

• 2)

How many guard cells enclose a stoma?

• 3)

Simple squamous epithelium is present in

• 4)

Which of the following is the fat-storing tissue?

• 5)

One bone is joined with another bone by the tissue called

#### 9th CBSE Science Unit 5 The Fundamental Unit of Life Sample Questions Paper - by Chaaya - Jaipur Jul 31, 2019 - View & Download

• 1)

Which of the following scientists coined the term 'cell'?

• 2)

The process of selective movement of substances through semi-permeable membrane is called

• 3)

When an animal cell is placed in hypotonic solution, it

• 4)

Which of the following maintains the basic structure (shape) of the plant cell after shrinkage of the cell content during plasmolysis?

• 5)

Plasmolysis occurs due to

#### 9th CBSE Science Unit 4 Structure of the Atom Important Question Paper - by Chaaya - Jaipur Jul 30, 2019 - View & Download

• 1)

Positive charge is carried by

• 2)

Outermost shell of an atom cannot accommodate more electrons than

• 3)

The charge to mass ratio on cathode rays in the discharge tube is constant because electrons are common constituents of all matter.

• 4)

Calcium has 20 electrons.These K, L, M and N shells.Which shell or shells are incomplete?

• 5)

Rutherford's alpha-particle scattering experiment was responsible for the discovery of

#### 9th CBSE Science Unit 3 Atoms and Molecules Important Question Paper - by Chaaya - Jaipur Jul 27, 2019 - View & Download

• 1)

Which one of the following is not equal to gram molecular mass of hyderogen

• 2)

Which one of the following dose not represnt molar mass of a substance?

• 3)

In SO2, the mass of sulphur in combination with 3.0 oxygen is

• 4)

When 50 g of calcium carbonate is heated, 22g of CO2 escapes out.What is the amount residue left?

• 5)

Which of the following supports Dalton's atomic theory of matter?

#### 9th Standard CBSE Science Unit 2 Is Matter Around Us Pure Important Question Paper - by Chaaya - Jaipur Jul 26, 2019 - View & Download

• 1)

Which one of the following may be termed as pure substance?

• 2)

select a heterogeneous mixture of the following:

• 3)

Select a compound out of the following:

• 4)

Which one of the following is a chemical change?

• 5)

A colloidal solution is:

#### 9th CBSE Science Unit 1 Matter in Our Surroundings Important Question Paper - by Chaaya - Jaipur Jul 25, 2019 - View & Download

• 1)

Materials existing as liquids have

• 2)

Intermolecular force of attraction is maximum in

• 3)

Which of the following substances is not a solid?

• 4)

Which one of the following properties is not characteristic of liquids?

• 5)

Large volume of compressed natural gas (CNG) is available in small cylinders to us due to its property of

#### 9th Standard CBSE Science Revision Test - by Meha Dec 31, 2018 - View & Download

• 1)

Gases do not have

• 2)

The process of selective movement of substances through semi-permeable membrane is called

• 3)

The distance travelled by a freely falling body is proportional to the

• 4)

The value of acceleration due to gravity near the earth's surface is

• 5)

A body is acted upon by a force which is proportional to the distance covered. If distance covered be denoted by S, then work done by the force will be proportional to

#### CBSE Grade 9 Science Important Model Question Paper - by Meha Dec 31, 2018 - View & Download

• 1)

Which of the following processing does not convert a liquid into vapours?

• 2)

Which cell organelle is involved in the formation of lysosomes?

• 3)

When the distance that an object travels is directly proportional to the length of time it is said to travel with

• 4)

A body is projected upwards with a velocity of 100 m/s. It will strike the ground in approximately

• 5)

Newton meter is the unit of

#### CBSE Class 9 Science Value Based Questions - by Meha Dec 31, 2018 - View & Download

• 1)

Intermolecular force of attraction is maximum in

• 2)

Lysosomes contain

• 3)

When a graph of one quantity versus another results in a straight line, the quantity are

• 4)

If a planet existed whose mass and radius were both half of those of Earth, the acceleration due to gravity at its surface would be

• 5)

Two particles of masses 1 g and 4 g have equal momentum.What is the ratio between their kinetic energies?

#### 9th Standard CBSE Science HOTs Questions 2019 - by Meha Dec 31, 2018 - View & Download

• 1)

The fluorescent tubes and neon sign bulbs glow because of

• 2)

The largest cell in human body is

• 3)

The fig 8.39 shows how the speed of a marble changes as it rolls down an inclined plane A , travels on a flat horizontal surface and then on another inclined plane B Then the total time during which the marble is in motion is

• 4)

If g and G stand fro acceleration due to gravity and gravitational constant respectively, then at the centre of the earth

• 5)

Two particles of masses 1 g and 4 g have equal momentum.What is the ratio between their kinetic energies?

#### Gravitation Important Questions From 9th CBSE Science - by Meha Dec 15, 2018 - View & Download

• 1)

When an object is thrown up, the force of gravity

• 2)

If the distance force of masses is doubled, the force between them will be

• 3)

Consider an elevator moving downwards with an acceleration a, the force exert by a passenger of mass m on the floor of the elevator is

• 4)

When an object falls freely to the earth, the force of the gravity is

• 5)

The weight of a body of mass 1 kg on earth is

#### Work and Energy Important Questions from 9th Science - by Meha Dec 07, 2018 - View & Download

• 1)

The work done on a body does not depend upon the

• 2)

A body is dropped from a certain height above the ground.When it is half way down, it possesses

• 3)

The kinetic energy of a body decreses by 10%.What is the percentage decrease in momentum?

• 4)

If the speed of a motor car increases by six times, its kinetic energy will increase by

• 5)

When you compress a coil spring you do work on it. The elastic potential energy

#### 9th CBSE Science Sound Important Questions - by Meha Dec 06, 2018 - View & Download

• 1)

Which of the following is carried by the waves from one place to another?

• 2)

In gases a sound wave is

• 3)

The reciprocal if frequency is

• 4)

A boat at anchor is rocked by waves whose crests are 100 m apart and whose velocity is 25 m/s/ How often do the crests reach the boat?

• 5)

What is the nature of the ocean waves in deep water?

#### 9th Science Why Do We Fall Ill Important Questions - by Meha Dec 05, 2018 - View & Download

• 1)

The protozoa organism responsible for sickness is

• 2)

Antibiotic penicillin act against bacteria by

• 3)

Which one of the following is dangerous for individual health?

• 4)

Antibiotics work against

• 5)

Which one of the following disease an infected mother can transmit through breast feeding to her body?

#### 9th Science Nature Resources Important Question Paper - by Meha Dec 03, 2018 - View & Download

• 1)

Which of the following compound is not degraded by any biological process?

• 2)

Nitrogen-fixing bacteria are found in the roots of

• 3)

Venus and Mars have no life because

• 4)

Which one of the following is not an air pollutant?

• 5)

Nitrogen fixing bacteria cannot fix N2 in presence of

#### 9th Science Improvement in Food Resources Important Question Paper - by Meha Nov 30, 2018 - View & Download

• 1)

Which one of the following is a fodder crop?

• 2)

For mixed cropping which combination of crop generally not used?

• 3)

Which one of the following fishes is a bottom feeder?

• 4)

Which one of the following is known as rock bee?

• 5)

A piaries are established for

#### 9th Science Revision Model Question Paper 1 - by Meha Nov 29, 2018 - View & Download

• 1)

A freely falling object eventually stops on reaching the ground.What happens to its kinetic energy?

• 2)

Why is the flash of lightning from clouds seen much before the thunder, although both occur simultaneously?

• 3)

Name four Kharif season crops.

• 4)

Water is a compound and not a mixture. List two reasons to justify your answer.

• 5)

(a) define an element.
(b) Name a non-metallic element found in (i) liquid, (ii) gaseous state
(c) Pick metalloid from the following:
carbon, silicon, phosphorus, gold.
(d) Which two properties of metals enable us to get the desired shape to metals?
(e) Name a metal which liquid at room temperature.

#### 9th Standard CBSE Science Term 1 Model Questions - by Meha Sep 22, 2018 - View & Download

• 1)

Evaporation of a material takes place

• 2)

Cloud is an example of

• 3)

Choose the correct statement

• 4)

Calcium has 20 electrons.These K, L, M and N shells.Which shell or shells are incomplete?

• 5)

Ribosomes are the centre for

#### 9th Standard CBSE Science Important Questions - by Meha Sep 22, 2018 - View & Download

• 1)

(i) One mole of carbon atom weighs 12 g.Find the mass in grams of one atom of carbon (Given C = 12u, No=6.022 x 1023 per mole)
(ii) Calculate the mass of the following:
(a) 0.5 mole of N2 gas (b) 0.2 mole of O-atoms
(c) 4 moles of aluminium atom
[Given, N = 14 u, 0 = 16 u, Al = 27 u,
Avogadro's number = 6.022 x 1023 per mole ]

• 2)

How is work done by a force measured?A porter lifts a luggage of 20 kg from the ground and puts it on his head 1.7 m above the ground.Find the work done by the porter on the luggage.

• 3)

Differentiate between layers and broilers.

• 4)

(a) What temperature in Kelvin scale is equal to $50°C$?
(b) Describe an activity to show that rate of evaporation increases with surface area.
(c) State two differences between evaporation and boiling.

• 5)

(i) Convert into mole 20 g of water (Atomic mass of hydrogen and oxygen are 1 and 16 respectively).
(ii) Convert into mole 22 g of carbon dioxide.

#### 9th Standard CBSE Science Monthly Test Model Question Paper - by Meha Sep 15, 2018 - View & Download

• 1)

Materials existing as liquids have

• 2)

Intermolecular force of attraction is maximum in

• 3)

A colloidal solution is:

• 4)

A mixture of ammonium chloride and sand can be separated by

• 5)

One atomic mass unit is equal to weight of

#### Improvement In Food Resources - Important Questions Model Question Paper 1 In 9th Science - by Meha Aug 02, 2018 - View & Download

• 1)

Which one of the following is a fodder crop?

• 2)

Which of the following nutrients is not provided by soil to plants?

• 3)

Which one of the following is micro-nutrient?

• 4)

Which one of the following sets of plants includes weeds only?

• 5)

Weed preventive measures are

#### Nature Resources - Important Questions Model Question Paper 1 In 9th Science - by Meha Aug 02, 2018 - View & Download

• 1)

Humus causes the soil to

• 2)

The surface of the earth covered with water is

• 3)

Most of the water on the earth surface is found in

• 4)

Ozone hole was first observed over

• 5)

The main cause of depletion of ozone layer is excessive use of

#### Why Do We Fall Ill - Important Questions Model Question Paper 1 In 9th Science - by Meha Aug 02, 2018 - View & Download

• 1)

The protozoa organism responsible for sickness is

• 2)

Which one of the following is not a viral disease?

• 3)

Antibiotic penicillin act against bacteria by

• 4)

Which one of the following disease is more likely to spread in the absence of safe drinking water?

• 5)

#### Sound - Important Questions Model Question Paper 1 In 9th Science - by Meha Aug 02, 2018 - View & Download

• 1)

Which of the following is carried by the waves from one place to another?

• 2)

In a slinky (i.e., a long spring) which of the following type of waves can be generated?

• 3)

The reciprocal if frequency is

• 4)

Waves formed over water surface are

• 5)

A tuning fork is vibrating in air. The number of compressions going past a given point per second is the

#### Work And Energy - Important Questions Model Question Paper 1 In 9th Science - by Meha Aug 02, 2018 - View & Download

• 1)

Joule is the unit of

• 2)

Newton meter is the unit of

• 3)

A body at rest can have

• 4)

A body is acted upon by a force which is inversely proportional to the distance covered (S).The work done will be proportional to

• 5)

A body starts from rest and acquires a velocity v in time T. The work done on the body in time t will be proportional to

#### Gravitation - Important Questions Model Paper In 9th Science - by Meha Jul 31, 2018 - View & Download

• 1)

When an object is thrown up, the force of gravity

• 2)

The earth attracts a body with a force of 10 N. with what force does that the body attracts the earth?

• 3)

If the distance force of masses is doubled, the force between them will be

• 4)

The value of acceleration due to gravity near the earth's surface is

• 5)

All bodies whether large or small fall with the

#### Force And Laws Of Motion - Important Questions Model Question Paper 1 In 9th Science - by Meha Jul 31, 2018 - View & Download

• 1)

If a bus starts suddenly, the passengers in the bus will tend to fall

• 2)

A rider on a horseback falls back when horse starts running all of a sudden because

• 3)

The combined effect of mass and velocity is taken into account by a physical quantity called

• 4)

Qualitative definition of force is given by

• 5)

SI unit of force is

#### Motion - Important Questions Model Question Paper 1 In 9th Science - by Meha Jul 31, 2018 - View & Download

• 1)

$m/s^{ -2 }$ is the SI unit of

• 2)

A ball is thrown vertically upwards It rises to a height of 50 m and comes back to the thrower

• 3)

A 50 m long train passes over a 250 m long bridge at a velocity of 60 km/h How long will it take to pass completely over the bridge?

• 4)

A car increases its speed from 20 km/h to 50 km/h in 10 seconds .Its acceleration is

• 5)

When a graph of one quantity versus another results in a straight line, the quantity are

#### Diversity In Living Organisms - Important Questions Model Question Paper 1 In 9th Science - by Meha Jul 31, 2018 - View & Download

• 1)

Whittaker classified all organisms into

• 2)

Five kingdom classification, was proposed by

• 3)

The five kingdom classification is based on complexity of

• 4)

Which one of the following hierarchial categories is the top taxonomical category?

• 5)

In which one of the following character, members of the Kingdom Monera differ from other kingdoms?

#### Tissues - Important Questions Model Question Paper 1 In 9th Science - by Meha Jul 30, 2018 - View & Download

• 1)

Which of the following cells are living cells?

• 2)

The girth of the stem increases due to

• 3)

Prepared food is transported froms leaves to other parts of plant through

• 4)

How many guard cells enclose a stoma?

• 5)

Which of the following cells help sieve tubes to translocate food?

#### 9th Science Model Question Paper 3 - by Meha Jul 30, 2018 - View & Download

• 1)

Which of the following scientists coined the term 'cell'?

• 2)

Iodine solution is used to

• 3)

The process of selective movement of substances through semi-permeable membrane is called

• 4)

Which of the following maintains the basic structure (shape) of the plant cell after shrinkage of the cell content during plasmolysis?

• 5)

Who coined the term protoplasm for the fluid substance of the cell?

#### Structure Of The Atom - Important Questions Model Question Paper 1 In 9th Science - by Meha Jul 30, 2018 - View & Download

• 1)

$\alpha$-particle is made up of

• 2)

Outermost shell of an atom cannot accommodate more electrons than

• 3)

The size of an atom is decided by:

• 4)

There is no between valency and electrons except in case of

• 5)

Isotopes of an element have

#### Atoms And Molecules - Important Questions Model Question Paper 1 In 9th Science - by Meha Jul 30, 2018 - View & Download

• 1)

A mole does not signify

• 2)

Which one of the following dose not represnt molar mass of a substance?

• 3)

One atomic mass unit is equal to weight of

• 4)

In SO2, the mass of sulphur in combination with 3.0 oxygen is

• 5)

Which of the following supports Dalton's atomic theory of matter?

#### 9th Science Model Question Paper 1 - by Meha Jul 27, 2018 - View & Download

• 1)

Which one of the following may be termed as pure substance?

• 2)

select a heterogeneous mixture of the following:

• 3)

Select a compound out of the following:

• 4)

A mixture of ammonium chloride and sand can be separated by

• 5)

When a ray of light passes through a solution and it is not visible, then the solution has

#### Matter In Our Surroundings - Important Questions Model Question Paper 1 In 9th Science - by Meha Jul 27, 2018 - View & Download

• 1)

Materials existing as liquids have

• 2)

Intermolecular force of attraction is maximum in

• 3)

Which of the following substances is not a solid?

• 4)

Which one of the following properties is not characteristic of liquids?

• 5)

Which of the following decreases the rate of evaporation?

### CBSE Education Study Materials

#### 9th CBSE Science 2019 - 2020 Academic Syllabus Chaaya - Jaipur Aug 21, 2019

Science 2019 - 2020 Academic Syllabus

#### CBSEStudy Material - Sample Question Papers with Solutions for Class 9 Session 2019 - 2020

Latest Sample Question Papers & Study Material for class 9 session 2019 - 2020 for Subjects Mathematics, Social Science in PDF form to free download for practice. Download QB365 Free Mobile app & get practice question papers.

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