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Test: Class 9 Science: CBSE Sample Question Paper Term I - 2


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60 Questions MCQ Test Sample Papers For Class 9 | Test: Class 9 Science: CBSE Sample Question Paper Term I - 2

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 for Class 9 2022 is part of Sample Papers For Class 9 preparation. The Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 questions and answers have been prepared according to the Class 9 exam syllabus.The Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 MCQs are made for Class 9 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 below.
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Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 1

Statement A: The separation of constituents from the homogeneous mixture is easier as compared to the heterogeneous mixture.
Statement B: Milk can be regarded as a pure substance.
Which of the two statements is correct?

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 1
  • The separation of constituents from the homogeneous mixture is difficult as compared to the heterogeneous mixture.
  • Milk is a colloidal substance. So, milk is not a pure substance.

Statement (A) and (B) incorrect statement.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 2

Suppose a boy is enjoying a ride on a merry-go-round which is moving with a constant speed of 10ms-1. It implies that the boy is

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 2

In a merry go round,the speed is constant but the velocity is not constant because its direction will be changing i.e, there is acceleration in the motion.So the boy is in accelerated motion.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 3

A 20 kg gun fires a bullet of mass 20 g with a velocity of 400 m/s. The action on the shoulder of the person per second by the gun is:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 3

In the given problem,
Mass of gun = 20kg; velocity of bullet = 400m/s
mass of the bullet = 20g = 0.02 kg

m₁=20kg

m₂=20g=0.02kg

v₁=

v₂=400 m/s

So

m₁ * v₁ = m₂ * v₂

=20 * v = 0.02 * 400

20v = 8

v = 8/20

v = 0.4 m/s

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 4

The membrane of the Golgi apparatus has connections with those of:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 4

The Golgi apparatus functions as a factoiy in which proteins received from the Endoplasmic reticulum are further processed and sorted for transport to their eventual destinations: lysosomes, the plasma membrane, or secretion.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 5

Find out the correct sentence:
A. Parenchymatous tissues have intercellular spaces.
B. Collenchymatous tissues are irregularly thickened at corners.
C. Apical and intercalary meristems are permanent tissues.
D. Meristematic tissues, in its early stage, lack vacuoles.

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 5

Meristematic tissue takes up a specific role and loses their ability to divide and then form a permanent tissue.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 6

What happens on adding dilute HCl to a mixture of iron filling and sulphur powder?
A. H2S is formed
B. A colourless and odourless gas is formed
C. A greenish solution appears
D. FeS is formed

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 6

When dilute HCl is added to a mixture of iron filings and sulphur powder, then iron being more reactive than hydrogen will displace hydrogen from the acid, forming its salt instead. The sulphur powder will not react with HQ, Following is the reaction between Fe and HCl.
Fe(s) + 2HCl(aq) → FeCl2(aq) + H2(g)
Sulfur will not react with HCl and it will not conduct electricity.
FeCl2 is Pale blue-green and H2 is a colourless and odourless gas.
So, Statement B and C are correct statements.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 7

Which of the following statement is correct?
A. When a body starts from rest, u = 0
B. When a body comes to rest, v = 0
C. For a body under free fall, a = -9.8m/s2
D. For uniform velocity, a = 0

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 7

A body starting from rest and when it comes to rest has velocity equal to zero.
A body moving with uniform velocity has zero acceleration since there is no change in velocity.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 8

In a football and a stone of the same size, the inertia of
A. Football is greater
B. Football is lesser
C. Stone is greater
D. Stone is lesser

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 8

Inertia is the measure of the mass of a body. The greater the mass of the body, the greater is their inertia. Hence, the inertia of football is less and stone is greater.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 9

The structure which forms a barrier between the protoplasm of the cell and its external environment in an animal cell is:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 9

The cell membrane (also known as the plasma membrane) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space). It consists of a lipid bilayer with embedded proteins.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 10

Eukaryotic cells have:
a. Distinct nucleus
b. Nucleolus
c. Nuclear membrane
d. Nucleoid

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 10

Eukaryotic cells have a distinct nucleus, a nucleolus and a nuclear membrane. The presence of a nucleus gives eukaryotes their name.
Nucleoid is present in prokaryotic cells. It is the area of the cytoplasm that contains the prokaryote's single DNA molecule.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 11

Brass is a homogeneous mixture of

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 11

Brass is a solid solution containing approximately 70% of copper and 30% zinc. So, copper is the solvent whereas Zn is solute. Copper and Zinc forms homogenous mixture as constituent particles are not visible.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 12

In which of the following cases of motion, the distance moved and the magnitude of displacement are equal?

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 12

The distance moved and magnitude of displacement are equal only in the case of motion along a straight line. Because displacement is the shortest path between initial and find path. So, for car moving on straight road, distance moved and magnitude of displacement are equal.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 13

A bullet of mass 10 g is fired from a rifle. The bullet tales 0.003 second to move through its barrel and leaves it with a velocity of 300 m/s. What is the force exerted on the bullet by the rifle?

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 13

Mass of bullet = 10 g = 10/1000 kg.
initial velocity (u) = 0 and final velocity (v) = 300 m/s.
time (t) = 0.003 s

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 14

Which of the following is not a function of vacuole?

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 14

Vacuoles appear to have three main functions, they:

  1. contribute to the rigidity of the plant using water to develop hydrostatic pressure
  2. store nutrient and non-nutrient chemicals
  3. break down complex molecules.

Locomotion is not a function of vacuole.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 15

Where is the apical meristem found?
a. Root tip
b. Shoot tip

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 15

Apical Meristematic tissues are found in root tips, shoot tips to increase the length of root, stem.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 16

Which sublimate substance is used to protect warm clothes?

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 16

Naphthalene is an organic compound with formula C10H8. It is a sublimable volatile substance, Naphthalene has been used as a household fumigant. Its vapours keep insects away.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 17

The membrane surrounding a vacuole in a plant cell is known as:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 17

Tonoplast is the membrane that bounds the chief vacuole of a plant cell. It is also known as the 'vacuolar membrane'. It separates the vacuolar contents from the cytoplasm of the cell.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 18

Which muscles act involuntarily?
i. Striated muscles
ii. Smooth muscles
iii. Cardiac muscles
iv. Skeletal muslces

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 18

The muscles which are not under the control of our will, are called involuntary muscles. Smooth (unstriated) muscles and cardiac muscles are involuntary muscles.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 19

Which of the following is an example of uniform motion?
A. The motion of the car on a busy road.
B. The motion of a satellite around the planet.
C. The motion of the moon around the earth.
D. The motion of any particle on the arm of a clock.

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 19
  • Uniform Motion means Body covers equal distance in an equal time interval,
  • A satellite goes around the earth in a circular orbit with constant speed and covers equal distances in equal time intervals.
  • The arms of the clock cover the equal distance in every hour,
  • The moon revolves around the earth and takes equal time for every revolution.
  • The motion of the car on a busy road is not an example of a uniform motion.
Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 20

The S.I. unit of Weight is:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 20

Weight is the result of a mass experiencing the force of gravity, so the SI 'unit of weight' is also Newtons.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 21

The epidemic disease 'Dropsy' is caused due to:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 21

When argemone oil is mixed with mustard oil, epidemic 'Dropsy' are caused

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 22

Organisms lacking true nucleus are called:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 22

A prokaryote is a unicellular organism that lacks a membrane-bound nucleus (karyon), mitochondria, or any other membrane-bound organelle. The word prokaryote comes from Greek words - pro means "before" and karyon means a "nut or kernel".

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 23

Movement of the passage of food in the intestine is caused by the contraction of:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 23

Unstriated muscles also called involuntary or smooth muscles, do nor work under our control. It secretes enzymes and digestive juices hence perform digestion regularly.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 24

Which of the following statements is not true?
A. motion is always uniform
B. motion is a change of position
C. motion can be described in terms of displacement
D. motion can be uniform or non-uniform

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 24

Motion can be non-uniform if there is a change in velocity.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 25

An object of mass 2 kg is sliding with a constant velocity of 4ms-1 on a frictionless horizontal table. The force required to keep the object moving with the same velocity is

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 25

According to the first law of motion, an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced external force

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 26

Match the following with the correct response:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 26
  • While the nucleic part of the cell had been observed by Leeuwenhoek in 1682, it was Robert Brown who named it the “cell nucleus”.
  • In 1839, Johann Evangelist Purkinje coined the term 'protoplasm' for the fluid substance of a cell.
  • Robert Hooke observed the microscopic structure of the bark of a cork tree and in doing so, discovered and named the cell - the building block of life.
  • The 'Cell theory' was proposed by Matthias Jakob Schleiden and Theodor Schwann.
Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 27

Statement A: Stratified squamous epithelium occurs in the buccal cavity, Pharynx, etc.
Statement B: Germinal epithelium produces male and female sex cells.
Which of the statement is true?

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 27

Stratified squamous epithelium occurs in areas where there is regular wear and tear occur in the buccal cavity, pharynx, skin, etc.
The germinal epithelium produces the egg cells. Produce the sex hormones estrogen and progesterone. Once females mature sexually, an egg cell is produced each month and released during ovulation. Germinal epithelium produces male and female sex cells.
Statement A and B are true statements.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 28

Which of the following activities involves voluntary muscles
A. Jumping of frog
B. Pumping of the heart
C. Writing with hand
D. Movement of food in the stomach

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 28

Jumping of frog and writing with hand, both the action done willingly. Hence done by voluntary muscles.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 29

Chlorophyll is present in:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 29

Plastids that contain chlorophyll are known as chloroplasts. Inside the chloroplast, chlorophyll is present in Thylakoid. Thylakoid is present inside the grana of the chloroplast of a plant cell. They are the site of the light-dependent reactions of photosynthesis.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 30

What is the ratio of distance to displacement?

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 30

Distance is the actual length covered by a body and displacement is the shortest distance between the initial and final position. So, the distance will be equal to or more than displacement.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 31

Assertion (A): A quick collision between two bodies is more violent than a slow collision, even when the initial and the final velocities are identical.
Reason (R): The rate of change of momentum determines the force.

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 31

In quick collision, time of impact is small which increases the impact of force.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 32

Assertion (A): Plant cells have very large vacuoles.
Reason (R): In plant cells, vacuoles are full of cell sap.

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 32

Plant cells possess large vacuoles to perform functions like:
i. Storage of water, mineral etc.
ii. Provide turgidity and rigidity to the cell, as it is filled with cell sap.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 33

Assertion (A): Squamous epithelial tissue consists of cube-like cells.
Reason (R): They form the delicate lining of cavities (mouth, esophagus, nose, etc.) and blood vessels.

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 33

Squamous epithelial tissue is made up of thin, flat, and irregular-shaped cells. It forms the delicate lining of cavities (mouth, esophagus, nose, etc.) and blood vessels.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 34

Assertion (A): Displacement of a body may be zero when the distance travelled by it is not zero.
Reason (R): The displacement is the longest distance between the initial and final position.

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 34

The displacement is the shortest distance between initial and final position. When final position of a body coincides with its initial position, displacement is zero, but the distance travelled is not zero.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 35

Assertion (A): A fruit when unripe is green but it becomes beautifully coloured when ripe.
Reason (R): The fruit becomes beautifully coloured due to Chromoplasts change to chloroplasts.

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 35

A fruit when unripe is green but becomes beautifully coloured when ripe. This colour change is due to the change of chloroplasts into chromoplast.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 36

Which of the following settles down when allowed to stand undisturbed doe sometimes?

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 36

Muddy water will settle down because particles are heavy and settle due to gravity. Setting down of coarse particles under the influence of gravity is called sedimentation. During sedimentation, heavier particles settle down faster than finer particles.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 37

Acetone and water can be separated by:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 37

Acetone and water are two miscible liquids that boil without decomposition and have sufficient difference in their boiling points so these can be separated by simple distillation.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 38

Involuntary muscles are NOT found in:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 38

Involuntary muscles are not found in our limbs. Striated muscles occur in the limbs which are voluntary that is, they work according to our will. They contain contractile proteins that contract and relax to cause movement.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 39

When no external force acts on an object, the physical quantity that remains conserved is

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 39

Momentum remains conserved in absence of any external force. Momentum is the product of the mass and velocity of an object. It is a three-dimensional vector quantity, possessing a magnitude and a direction.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 40

State, whether the following statement is true or false “force, can be measured using the first law of motion”

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 40

The force can be measured by newton’s second law of motion. The first law of motion states that object in rest or uniform motion tends to remain in its state.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 41

Name the cell organelle in which centriole is present.

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 41

In animal cells, centriole is present in the centrosome. Centrioles are a very important part of centrosomes. Centrosomes or spindle pole bodies act as the microtubule organizing centers in animal cells. They help in the movement of chromatids towards the opposite pole.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 42

To prepare a mount of human cheek cell, the sample is collected from:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 42

While preparing a mount of human cheek cell, the sample is collected from the inner side of the cheek using a toothpick, which will collect some cheek cells.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 43

According to second law of Newton, force is the cause and the outcome is:

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 43

The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 44

Which of the following substance is pure?
a) Element
b) Compound
c) Mixture

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 44

Mixtures is a substance which consists of two or more pure substances. It has a variable composition. It shows the properties of the constituent substances. Its constituents can be separated by physical methods.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 45

A combination of common salt and iron filings is a

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 45

It is a substance that consists of two or more pure substances. It has a variable composition. It shows the properties of the constituent substances. Its constituents can be separated by physical methods. E.g.:- seawater, minerals, soil, air, sand and salt, sugar in water, salt in water, etc. Mixtures are of two types. They are a homogeneous mixture and heterogeneous mixture. A combination of common salt and iron filings is a mixture.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 46

Which of the following is known as the "physical basis of life"?

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 46

Protoplasm According to Huxley is the physical basis of life. Inside the cell wall of living cells, the living substance is known as protoplasm and it is a thick fluid or jellylike substance in texture.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 47

Which type of tissue is present in the lining of the kidney tubule?

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 47

The kidney of human beings is made up of a large number of the nephron. Nephrons are made up of long tubules. These tubules are made up of epithelial tissue for the absorption of water.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 48

Cork cells are made impervious to water and gases by the presence of

Detailed Solution for Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 48

The walls of cork cells are heavily thickened with an organic substance, suberin. Suberin makes these cells impervious to water and gases.

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 49

Read the text carefully and answer the questions:
A solution that has dissolved as much solute as it is capable of dissolving, is said to be a saturated solution. In other words, when no more solute can be dissolved in a solution at a given temperature, it is called a saturated solution. If the amount of solute contained in a solution is less than the saturation level, it is called an unsaturated solution. Chromatography is the technique used for the separation of those solutes that dissolve in the same solvent. The principle is that immiscible liquids separate out in layers depending on their densities. Sublimation is also used to separate substance.

Q. The concentration of a solution is expressed by  

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 50

Read the text carefully and answer the questions:
A solution that has dissolved as much solute as it is capable of dissolving, is said to be a saturated solution. In other words, when no more solute can be dissolved in a solution at a given temperature, it is called a saturated solution. If the amount of solute contained in a solution is less than the saturation level, it is called an unsaturated solution. Chromatography is the technique used for the separation of those solutes that dissolve in the same solvent. The principle is that immiscible liquids separate out in layers depending on their densities. Sublimation is also used to separate substance.

Q. Chromatography is used to seperate 

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 51

Read the text carefully and answer the questions:
A solution that has dissolved as much solute as it is capable of dissolving, is said to be a saturated solution. In other words, when no more solute can be dissolved in a solution at a given temperature, it is called a saturated solution. If the amount of solute contained in a solution is less than the saturation level, it is called an unsaturated solution. Chromatography is the technique used for the separation of those solutes that dissolve in the same solvent. The principle is that immiscible liquids separate out in layers depending on their densities. Sublimation is also used to separate substance.

Q. Which of the given methods would you use to separate cream from milk?

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 52

Read the text carefully and answer the questions:
A solution that has dissolved as much solute as it is capable of dissolving, is said to be a saturated solution. In other words, when no more solute can be dissolved in a solution at a given temperature, it is called a saturated solution. If the amount of solute contained in a solution is less than the saturation level, it is called an unsaturated solution. Chromatography is the technique used for the separation of those solutes that dissolve in the same solvent. The principle is that immiscible liquids separate out in layers depending on their densities. Sublimation is also used to separate substance.

Q. The amount of solute present per unit volume or per unit mass of the solution/solvent is known as

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 53

Read the text carefully and answer the questions:
Plant cells, in addition to the plasma membrane, have another rigid outer covering called the cell wall. The cell wall lies outside the plasma membrane. The plant cell wall is mainly composed of cellulose. The nucleus has a double-layered covering called a nuclear membrane. The nuclear membrane has pores that allow the transfer of material from inside the nucleus to its outside, that is, to the cytoplasm. The nucleus contains chromosomes, which are visible as rod-shaped structures only when the cell is about to divide. Chromosomes contain information for the inheritance of characters from parents to the next generation in the form of DNA. The nucleus plays a central role in cellular reproduction, the process by which a single cell divides and forms two new cells.

Q. Cellulose is a complex substance which provides:

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 54

Read the text carefully and answer the questions:
Plant cells, in addition to the plasma membrane, have another rigid outer covering called the cell wall. The cell wall lies outside the plasma membrane. The plant cell wall is mainly composed of cellulose. The nucleus has a double-layered covering called a nuclear membrane. The nuclear membrane has pores that allow the transfer of material from inside the nucleus to its outside, that is, to the cytoplasm. The nucleus contains chromosomes, which are visible as rod-shaped structures only when the cell is about to divide. Chromosomes contain information for the inheritance of characters from parents to the next generation in the form of DNA. The nucleus plays a central role in cellular reproduction, the process by which a single cell divides and forms two new cells.

Q. Chromosomes are made up of:

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 55

Read the text carefully and answer the questions:
Plant cells, in addition to the plasma membrane, have another rigid outer covering called the cell wall. The cell wall lies outside the plasma membrane. The plant cell wall is mainly composed of cellulose. The nucleus has a double-layered covering called a nuclear membrane. The nuclear membrane has pores that allow the transfer of material from inside the nucleus to its outside, that is, to the cytoplasm. The nucleus contains chromosomes, which are visible as rod-shaped structures only when the cell is about to divide. Chromosomes contain information for the inheritance of characters from parents to the next generation in the form of DNA. The nucleus plays a central role in cellular reproduction, the process by which a single cell divides and forms two new cells.

Q. Plasmolysis in a plant cell is defined as:
I. breakdown (lysis) of the plasma membrane in hypotonic medium
II. shrinkage of cytoplasm in hypertonic medium
III. shrinkage of nucleoplasm
IV. swelling of cytoplasm

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 56

Read the text carefully and answer the questions:
Plant cells, in addition to the plasma membrane, have another rigid outer covering called the cell wall. The cell wall lies outside the plasma membrane. The plant cell wall is mainly composed of cellulose. The nucleus has a double-layered covering called a nuclear membrane. The nuclear membrane has pores that allow the transfer of material from inside the nucleus to its outside, that is, to the cytoplasm. The nucleus contains chromosomes, which are visible as rod-shaped structures only when the cell is about to divide. Chromosomes contain information for the inheritance of characters from parents to the next generation in the form of DNA. The nucleus plays a central role in cellular reproduction, the process by which a single cell divides and forms two new cells.

Q. Identify (A) in the given diagram

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 57

Read the text carefully and answer the questions:
Graphical representation of the distance-time graph of moving body at a uniform speed, when an object travels equal distance in equal intervals of time, it moves with uniform speed.

Q. Which of the following statement is incorrect about the graphical representation of motion?
I. A straight line graph helps in solving a linear equation
II. Line graphs show the dependence of one physical quantity
III. In the distance-time graph, time is taken along the y-axis
IV. In the distance-time graph, distance is taken along the x-axis

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 58

Read the text carefully and answer the questions:
Graphical representation of the distance-time graph of moving body at a uniform speed, when an object travels equal distance in equal intervals of time, it moves with uniform speed.

Q. The area under a speed-time graph represents a physical quantity which has the unit of:

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 59

Read the text carefully and answer the questions:
Graphical representation of the distance-time graph of moving body at a uniform speed, when an object travels equal distance in equal intervals of time, it moves with uniform speed.

Q. A bus moving along a straight line at 20m/s undergoes an acceleration of 4 m/s2. After 2 seconds, its speed will be :

Test: Class 9 Science: CBSE Sample Question Paper Term I - 2 - Question 60

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Graphical representation of the distance-time graph of moving body at a uniform speed, when an object travels equal distance in equal intervals of time, it moves with uniform speed.

Q. A student draws a distance-time graph for a moving scooter and finds that a section of the graph is a horizontal line parallel to the time axis. Which of the following conclusion is correct about this section of the graph?

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