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Module 2 - MCQ Test, Class 9 Science


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30 Questions MCQ Test | Module 2 - MCQ Test, Class 9 Science

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

Identify the incorrect statement.

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 1

The spring force is the force exerted by a compressed or stretched spring upon any object that is attached to it. An object that compresses or stretches a spring is always acted upon by a force that restores the object to its rest or equilibrium position. So, the spring force does not always pushes a body.

Module 2 - MCQ Test, Class 9 Science - Question 2

Some of the leaves may get detached from a tree if we vigorously shake its branch because of

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 2

If a branch of a tree is vigorously shaken, some of the leaves may get detached from tree due to inertia of rest. The leaves tend to remain in rest but branches come in motion.

Module 2 - MCQ Test, Class 9 Science - Question 3

Essential characteristic of equilibrium is

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 3

At equilibrium, the acceleration is equal to zero. So, there is no net change in acceleration of the moving body.

Module 2 - MCQ Test, Class 9 Science - Question 4

“Inflated balloon lying on the surface of a floor moves forward when pierced with a pin. The above mentioned phenomena is due to

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 4

Inflated balloon lying on the surface of a floor moves forward when pierced with a pin due to Newton’s third law of motion. The air coming out of the balloon forces the balloon in opposite direction.

Module 2 - MCQ Test, Class 9 Science - Question 5

A unit of force is

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 5

The SI unit of force is Newton, which is equal to the mass/ acceleration. 
Newton = Kg/ms2 = Kgms−2.

Module 2 - MCQ Test, Class 9 Science - Question 6

Inertia is the property of a body by virtue of which the body is

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 6

Inertia is the property of a body by virtue of which the body unable to change the state of rest or state of motion and direction as inertia is the tendency to oppose the change in state or direction.

Module 2 - MCQ Test, Class 9 Science - Question 7

To every action there is an,

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 7

To every action, there is an equal and opposite reaction. This is the newton’s third law of motion.

Module 2 - MCQ Test, Class 9 Science - Question 8

The change in the momentum of a body in 0.01 second is 10 kg ms-1. The force acting on this body is

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 8

The force acting on a body is equal to rate of change of momentum. Change of momentum = 10 Kg/s, time taken = 0.01 second. Force = 10/0.01 = 1000N.

Module 2 - MCQ Test, Class 9 Science - Question 9

105dyne is equal to

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 9

One Newton (1N) is equal to 105 dyne. Both dyne and Newton is unit of force.

Module 2 - MCQ Test, Class 9 Science - Question 10

Which has more inertia?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 10

Inertia of the body is proportional to the mass of the body. 5Rs coin is heavier than 5Rs note and 1Rs coins. So, inertia of 5Rs coin more than others.

Module 2 - MCQ Test, Class 9 Science - Question 11

Name the most abundant element in earth’s crust?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 11

The most abundant element in earth’s crust is Oxygen. It is present in earth crust in form of oxide, carbonate etc. of metal.

Module 2 - MCQ Test, Class 9 Science - Question 12

What is the density of ice at its melting point?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 12

The density of ice at its melting point is less than density of water. Ice have less density than water, that is why ice float on water.

Module 2 - MCQ Test, Class 9 Science - Question 13

Name the emulsifier which stabilizes milk emulsion.

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 13

The emulsifier which stabilizes milk emulsion is called Casein. Casein is found in mammalian milk, making up 80% of the protein in cow milk and between 20% and 45% of the protein in human milk.

Module 2 - MCQ Test, Class 9 Science - Question 14

22 carrot gold is

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 14

22 carrot gold is homogenous mixture of 22 parts gold and 2 parts copper or silver. 22 carrot gold is pure gold and an element.

Module 2 - MCQ Test, Class 9 Science - Question 15

A Substance can be beaten into sheets and beaten into wires. What will you call it?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 15

A substance that can be beaten into thin sheets and drawn into thin wire is both malleable and ductile. Gold is most malleable and ductile element.

Module 2 - MCQ Test, Class 9 Science - Question 16

Which of following is correct about solubility- 
A. It increases with increase in temperature 
B. Mass of solute dissolution in 100 units of solvent 
C. Solubility of common salt in water in 46g at 20°C
D. It decreases with decrease in temperature 

Module 2 - MCQ Test, Class 9 Science - Question 17

The particle size of a substance ‘P’ present in water is 200 nm. What will be the nature of the solution expected?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 17

The particle size of suspension is greater than 100 nm. So, particle size of substance ‘P’ present in water will be the suspension.

Module 2 - MCQ Test, Class 9 Science - Question 18

Two miscible liquids A and B are present in solution. The boiling point of A is 600°C and that of B is 900°C. Which of the following method is used to separate these two liquids?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 18

To separate two miscible liquids from a mixture having boiling point temperature difference of more than 2 degree, fractional distillation is used.

Module 2 - MCQ Test, Class 9 Science - Question 19

What are the major constituents of universe?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 19

The major constituents of universe are Hydrogen and Helium. They are constituent of Sun, stars and other solar bodies.

Module 2 - MCQ Test, Class 9 Science - Question 20

Clouds and fogs are example of

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 20

Clouds and fogs are example of liquid in gas solution. Cloud is formed by combination of water vapour with dust particles. Fogs contain water vapour and gases.

Module 2 - MCQ Test, Class 9 Science - Question 21

Which of the following tissue is known as packaging tissue?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 21

Alveolar tissue is known as packaging tissue. These tissues are responsible for storing materials not required by our body at particular time like glycogen.

Module 2 - MCQ Test, Class 9 Science - Question 22

Complex tissue consists of

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 22

Complex tissue consists of different types of cells carrying out the same function. They help in transportation of organic material ,water and minerals.In plants xylem and phloem are example of complex tissues.

Module 2 - MCQ Test, Class 9 Science - Question 23

Which of the following is the role of epidermis in plants?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 23

Epidermis in plants provides protection, regulation of transpiration and formation of insulation stationary air layer with the help of hair on the surface of it.

Module 2 - MCQ Test, Class 9 Science - Question 24

Bone consists of cells called-

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 24

Bone consists of cells called Osteocytes. Bone is a specialized connective tissue. Osteocytes are present between the lamellae in fluid filled spaces called lacunae.

Module 2 - MCQ Test, Class 9 Science - Question 25

Heart muscles are

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 25

Heart muscles are called cardiac muscles. These muscles are involuntary, striated and uninulcleate. Cardiac tissue pumps blood form birth till death.

Module 2 - MCQ Test, Class 9 Science - Question 26

Complex tissue consists of

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 26

Complex tissue consists of different types of cells carrying out the same function. They help in transportation of organic material ,water and minerals.In plants xylem and phloem are example of complex tissues.

Module 2 - MCQ Test, Class 9 Science - Question 27

Which tissue makes up the husk of coconut?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 27

The husk of coconut is made up of sclerenchyma tissue. Sclerenchyma is simple permanent tissue that provides mechanical support to parts of the plant.

Module 2 - MCQ Test, Class 9 Science - Question 28

What is the main function of RBC?

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 28

Blood is flood connective tissue that helps in transport of oxygen and carbon dioxide. Haemoglobin present in RBC is responsible for oxygen transport.

Module 2 - MCQ Test, Class 9 Science - Question 29

Squamous epithelium is found in

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 29

Squamous epithelium tissue is found in alveoli of lung and other parts of plants where regular contraction and relaxation takes place.

Module 2 - MCQ Test, Class 9 Science - Question 30

Non-living cell of phloem is-

Detailed Solution for Module 2 - MCQ Test, Class 9 Science - Question 30

Phloem is complex tissue consists of sieve tube, companion cells, phloem parenchyma and phloem sclerenchyma (fibre). In which phloem sclerenchyma is non-living.

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