CLASS – IX

SCIENCE - SESSION 2021–22

EXAM CAPSULE

Time: 90 Mins. Total Marks: 50

General Instructions:

1. The Question Paper contains three sections.

2. Section A has 24 questions. Attempt any 20 questions.

3. Section B has 24 questions. Attempt any 20 questions.

4. Section C has 12 questions. Attempt any 10 questions.

5. All questions carry equal marks.

6. There is no negative marking.

SECTION- A

Section – A consists of 24 questions. Attempt any 20 questions from this section. The first

attempted 20 questions would be evaluated.

1. Chromosomes are made up of_______________.

(a) DNA

(b) Protein

(c) DNA and Protein

(d) RNA

2. Which of the following are covered by a single membrane?

(a) Mitochondria

(b) Vacuole

(c) Lysosome

(d) Plastid

3. The proteins and lipids, essential for building the cell membrane, are manufactured by

(a) rough endoplasmic reticulum

(b) golgi apparatus

(c) plasma membrane

(d) mitochondria

4. Chlorophyll in the chloroplast is essential for_____________.

(a) reproduction

(b) growth

(c) cell division

(d) photosynthesis

5. The cells with well-organized nucleus are called_____________.

(a) Premature cells

(b) Mature cell

(c) Prokaryotic cell

(d) Eukaryotic cell

6. What is cytoplasm and nucleoplasm called collectively?

(a) Nucleolus

(b) Protoplasm

(c) Endoplasm

(d) Cell membrane

7. Which of the following tissues, forms a barrier to keep different body systems separate?

(a) Nervous

(b) Muscular

(c) Connective

(d) Epithelium

8. Which type of plant tissue protects the entire plant body?

(a) Simple tissue

(b) Complex tissue

(c) Meristematic tissue

(d) Apical tissue

9. Which tissue is found in the glands and in the lining of the kidney tubules as well as in the

ducts of the salivary glands?

(a) Squamous epithelium

(b) Columnar epithelium

(c) Ciliated epithelium

(d) Cuboidal epithelium

10. Cell is the structural and functional unit of life. The word cell is derived from the Latin word

‘cellula’ which means “a little room”. The scientist who coined the term cell was__________.

(a) Robert Hooke

(b) Antonie Von Leeuwenhoek

(c) Robert Brown

(d) Ernst Haeckel

11. Which of the following is a fluid matrix of the blood?

(a) Platelet

(b) Hormone

(c) Plasma

(d) Proteins

12. A long tree has several branches. The tissue that helps in the sideways conduction of water in

the branches is ___________.

(a) collenchyma

(b) xylem parenchyma

(c) parenchyma

(d) xylem vessels

13. The correct order which describes the true solution, colloidal solution and suspension in

the order of their increasing stability is:

(a) suspension < colloidal solution < true solution

(b) colloidal solution < true solution < suspension

(c) true solution > colloidal solution < suspension

(d) colloidal solution < suspension < true solution

14. For preparing a true solution, the given set up was done. What is ‘a’, ‘b’ and ‘c’ in the given

figure?

(a) a = glass rod, b = solution, c = beaker

(b) a = glass rod, b = beaker, c = solution

(c) a = beaker, b = solution, c = glass rod

(d) a = beaker, b = glass rod, c = solution

15. __________is known as the scattering of light by colloidal particles, making path of the light

visible.

(a) Dispersion

(b) Tyndall effect

(c) Brownian movement

(d) Oscillation

16. Rusting of an article made up of iron is called___________.

(a) corrosion and it is a physical as well as chemical change.

(b) dissolution and it is a physical change.

(c) corrosion and it is a chemical change.

(d) dissolution and it is a chemical change.

17. A particle is moving in a circular path of radius r. The displacement after half a circle would

be___________.

(a) zero

(b) 1/2r

(c) r

(d) 2r

18. The numerical ratio of distance to displacement for a moving object is___________.

(a) always less than 1

(b) always equal to 1

(c) always more than 1

(d) equal or less than 1

19. Area under a v – t graph representing a physical quantity, has the unit___________.

(a) m2

(b) m

(c) m3

(d) m/ s

20. What will be the initial velocity of a car which is stopped in 10 seconds by applying brakes if

the retardation due to brakes is 2.5 m/s2?

(a) 25 m/ s

(b) 2.5 m/s

(c) -25m/s

(d) - 2.5 m/ s

21. A water tanker filled up to two-thirds of its tank with water is running with a uniform speed.

When the brakes are suddenly applied, the water in its tank would:

(a) move backward

(b) move forward

(c) rise upwards

(d) remain unaffected

22. What is the acceleration produced by a force of 12 newton, exerted on an object of mass 3 kg?

(a) 9m/s

(b) 4 m/s

(c) 9m/s2

(d) 4m/s2

23. According to the third law of motion, action and reaction :

(a) always act on the same body but in opposite directions.

(b) always act on different bodies in opposite directions.

(c) have same magnitude and direction.

(d) act on either body at normal to each other.

24. Which of the following quantity is measured by the odometer of an automobile?

(a) Speed

(b) Velocity

(c) Distance Travelled

(d) Displacement

Section-B

25. The nucleus controls all the activities of the cell and acts as a site of DNA material

and protein synthesis. It is composed of some components which all together give the

nucleus its functionality. Here is shown a figure of nucleus with some of its

components labeled as A, B, C and D. Name these components correctly.

(a) A – Nucleons; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm

(b) A – Nucleus; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm

(c) A – Nucleolus; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm

(d) A – Nucleolus; B – Chromatin; C – Nuclear membrane; D – Nuclear wall

26. Which of these options are not a function of ribosomes?

(i) It helps in manufacturing of protein molecules.

(ii) It helps in manufacturing of enzymes.

(iii) It helps in manufacturing of hormones.

(iv) It helps in manufacturing of starch molecules.

(a) (i) and (ii)

(b) (ii) and (iii)

(c) (iii) and (iv)

(d) (iv) and (i)

27. Following are a few definitions of osmosis:

Read carefully and select the correct definition.

(a) Movement of water molecules from a region of higher concentration to a region of

lower concentration through a semi-permeable membrane.

(b) Movement of solvent molecules from its higher concentration to lower

concentration.

(c) Movement of solvent molecules from higher concentration to lower concentration

of solution through a permeable membrane.

(d) Movement of solute molecules from lower concentration to higher concentration

of solution through a semi permeable membrane.

28. Endoplasmic reticulum, one of the cell organelles, exists as a membranous network

that extends from the outer membrane of the nucleus to the plasma membrane making

a connection between them.

Which of the following statements is not related to the endoplasmic reticulum?

(a) It behaves as a transport channel for proteins between nucleus and

cytoplasm.

(b) It transports materials between various regions in cytoplasm.

(c) It can be the site of energy generation.

(d) It can be the site of some biochemical activities of the cell.

29. Connective tissues are the tissues that help to bind or connect other tissues in the

body. They have widely spaced cells embedded in a matrix having a variety of

proteins, polysaccharides and mineral salts. Among the following options, the

connective tissues are____________.

i. Ligament

ii. Epithelium

iii. Tendon

iv. Blood

(a) Both (i) and (iii)

(b) (i), (ii) and (iii)

(c) (i), (iii) and (iv)

(d) All (i), (ii), (iii) and (iv)

30. Given below is a diagram showing the structure of a neuron tissue.

Choose the correct labeling for the parts A, B, C, D and E.

(a) A – Nucleus; B – Cell body; C – Dendrite; D – Axon; E – Nerve ending

(b) A – Nucleus; B – Dendrite; C – Cell body; D – Nerve ending; E – Axon

(c) A – Nucleus; B – Axon; C – Cell body; D – Dendrite; E –Nerve ending

(d) A – Nucleus; B – Dendrite; C – Cell body; D – Axon; E – Nerve ending

Which of the following statements is incorrect?

i. Parenchyma tissues have intercellular spaces.

ii. Collenchymatous tissues are irregularly thickened at corners.

iii. Apical and intercalary meristems are permanent tissues.

iv. Meristematic tissues, in its early stage, lack vacuoles.

(a) (i) and (ii)

(b) Only (iii)

(c) (iii) and (iv)

(d) Only (ii)

32.Voluntary muscles are found in___________.

(a) alimentary canal

(b) limbs

(c) iris of the eye

(d) bronchi of lungs

33. Intestine absorbs the digested food materials. Which type of epithelial cells are

responsible for the same?

(a) Stratified squamous epithelium

(b) Columnar epithelium

(c) Spindle fibres

(d) Cuboidal epithelium

Question No. 34 to 38 consist of two statements – Assertion (A) and Reason (R). Answer

these questions selecting the appropriate option given below:

(a) Both A and R are true and R is the correct explanation of A.

(b) Both A and R are true and R is not the correct explanation of A.

(c) A is true but R is false.

(d) A is false but R is true.

34.Assertion (A): The collenchyma is responsible for the bending of branches in plants.

Reason (R): The collenchyma provides flexibility to the plants.

35. Assertion (A): Mitochondria are known as powerhouses of a cell.

Reason (R): Mitochondria are able to synthesise some of their proteins.

36. Assertion: (A) solution of common salt in a glass of water is homogeneous.

Reason: (A) solution having different composition throughout is homogeneous.

37. Assertion: (A) Mass is a measure of inertia of the body in linear motion.

Reason: (R) Greater the mass, greater is the force required to change its state of rest or

motion.

38. Assertion: (A) If the net external force on the body is zero, then its acceleration is

zero.

Reason: (R) Acceleration does not depend on force.

39. Which of the following are homogeneous in nature?

(i) ice (ii) wood (iii) soil (iv) air

(a) (i) and (iii)

(b) (ii) and (iv)

(c) (i) and (iv)

(d) (iii) and (iv)

40. Two substances, A and B were made to react to form a third substance, A2B

according to the following reaction:

2A + B → A2B

Which of the following statements concerning this reaction are incorrect?

(i) The product A2B shows the properties of substances A and B.

(ii) The product will always have a fixed composition.

(iii) The product so formed cannot be classified as a compound.

(iv) The product so formed is an element.

(a) (i), (ii) and (iii)

(b) (ii), (iii) and (iv)

(c) (i), (iii) and (iv)

(d) (iii) and (iv)

41. What is the basic principle behind simple distillation process?

(a) Sufficient difference in the boiling points of two miscible liquids is present and the

two liquids should boil without decomposition.

(b) Difference in boiling and melting points of two miscible liquids should be less than

30oC.

(c)The two liquids should be immiscible.

(d)The two liquids should have molecular weight greater than 200 g/mol.

42. The substances given in figure can be classified into elements, compounds and

mixtures.

Which of the following options shows the correct classification of compounds?

(a) CaCO3, H2O

(b) F2 , O2

(c) Diamond, Sand ,Wood

(d) Cu, Zn

43. Two friends on roller-skates are standing 5 m apart facing each other. One of them

throws a ball of 2 kg towards the other and he catches it. How will this activity affect the

position of the two?

(a) Separation between them will increase.

(b) Separation between them will decrease.

(c) Separation between them will remain the same.

(d) Separation between them will be exactly half of the previous one.

44. If the masses of two bodies are in ratio 5: 6 and their velocities are in ratio 1: 2, then

their linear momentum will be in the ratio___________.

(a) 5 : 6

(b) 1 : 2

(c) 12 : 5

(d) 5 : 12

45. If the mass of a body and the force acting on it are both doubled, what happens to the

acceleration?

(a) acceleration gets doubled

(b) acceleration remains the same

(c) acceleration gets halved

(d) acceleration becomes four times

46. Distance-time graph of a moving body is shown in figure. How much force is acting

on the body?

(a) 8N

(b) 4N

(c) 2N

(d) 0N

47. A bullet of mass 20 g is horizontally fired with a horizontal velocity 150 ms-1

from a

pistol of mass 2 kg. What is the recoil velocity of the pistol?

(a) 1.5 m/ s

(b) 2.5 m/s

(c) -1.5m/s

(d) - 2.5 m/ s

48. Velocity versus time graph of a ball of mass 50 g rolling on a concrete floor is shown

in the figure. What is the acceleration and frictional force of the floor on the ball?

(a) 10m/ s

2, 5N

(b) 0m/s2, 0.5N

(c) 10m/ s2, 0.5N

(d) 10m/ s2, 6N

SECTION – C

Section- C consists of three Cases followed by questions. There are a total of 12 questions in this

section. Attempt any 10 questions from this section.

The first attempted 10 questions would be evaluated.

Case I: Separating Components of a Mixture

A child wanted to separate the mixture of dyes constituting a sample of ink. He marked a line by

the ink on the filter paper and placed the filter paper in a glass containing water as shown in the

figure. The filter paper was removed when the water moved near the top of the filter paper.

49. The technique used by the child is:

(a) Centrifugation

(b) Filtration

(c) Chromatography

(d) Fractional Distillation

50. What would you expect to see, if the ink contains three different coloured components?

(a) Three different bands will be seen on the filter paper.

(b) Six different bands will be seen on the filter paper.

(c) Nine different bands will be seen on the filter paper.

(d) No change will be observed.

51. ___________is another application of the technique used by the child.

(a) To separate various components of liquid air

(b) To separate a mixture of acetone and water

(c) To separate a mixture of kerosene and water

(d) To separate drugs from blood

52. The sample of ink used is an example of____________.

(a) heterogeneous mixture

(b) homogeneous mixture

(c) compound

(d) element

CASE I:

The cell is a basic structural, functional and biological unit of all known

organisms. It contains many biomolecules such as proteins and nucleic acids.

The environment outside the cell is separated from inside the cell by cell

membrane. Some cells move throughout the body and other are attached to one

another. Cytoplasm and nucleus are two major compartments of cell. Cytoplasm

contains structures that consume and transform energy and perform cell's

functions. The nucleus contains cell’s genetic material and the structures that

control cell division and reproduces. Cell membrane regulates what passes in

and out of the cell. The mitochondria are the tiny structures that provide the cell

with energy.

53. Which of the following function is performed by smooth endoplasmic reticulum?

(a) It helps to expel excess water and waste out of the cell.

(b) It helps to produce ATP molecules.

(c) It helps to digest small foreign particles.

(d) It helps to detoxify the drugs.

54. The nuclear envelope contains many pores known as nuclear pores and encloses the liquid

ground substance, the __________________

(a) Nucleoplasm

(b) Cytoplasm

(c) Nucleolus

(d) Matrix

55. __________________ membrane is living, thin, delicate, elastic, selectively permeable

flexible and made up of organic molecules called lipids and proteins.

(a) Nuclear

(b) Plasma

(c) Single

(d) Double

56. When a cell is destined to die, the lysosomal enzymes digest the whole cell. This process is

known as __________.

(a) autolysis

(b) plasmolysis

(c) analysis

(d) exosmosis

Case - Motion of a Car

The image shows the forces acting on the car.

57. Which option defines the state of the car?

(a) Car is at rest

(b) Car is accelerating

(c) Car is slowing down

(d) Car is moving with a constant velocity

58. Suppose the car travels 3 km of distance in 10 minutes to reach the destination. However,

while returning, the car travels the same distance in 15 minutes. What is the average speed of car

during the entire journey?

(a) 3m/s

(b) 4m/s

(c) 5m/s

(d) 6m/s

59. Which law can be used to illustrate the example - Wearing a seat belt in a car?

(a) Newton’s First Law of Motion.

(b) Newton’s Second Law of Motion.

(c) Newton’s Third Law of Motion

(d) Law of Conservation of Momentum.

60. A car is travelling on a path and the velocity of a car on each path, at different intervals of time

is shown in the table given below.

What will be the magnitude of acceleration of the car on the path B to C?

(a) 0m/s2

(b) 1m/s2

(c) -1m/s2

(d) 2 m/s2