NSO - Mock Test

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Question 1
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The question figure is embedded in one of the answer figures given below. You have to find out that answer figure and mark the answer.

A
A

B
B

C
C

D
D

Question 2
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One of the answer figures A, B, C, or D contains the mirror image of the question figure. Find the correct mirror image of the question figure.

A
A

B
B

C
C

D
D

Question 3
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How many triangles are there in the figure given below?

A
10

B
12

C
14

D
15

Question 4
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A square sheet of paper is folded in a certain manner and then a part of it is cut out. It is shown with the help of the question figure given below. Out of the four answer figures A, B, C and D given below, choose the one that represents the sheet after being unfolded.

A
A

B
B

C
C

D
D

Question 5
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Which of the following four diagrams best depicts the relation between Milky way, Earth and Moon?

A
A

B
B

C
C

D
D

Question 6
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Choose the odd one out from the following options.

A
Venus

B
Neptune

C
Jupiter

D
Uranus

Question 7
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Find the alternative which will replace the question mark (?).

5 : 26 :: 7 : ?

A
42

B
45

C
47

D
50

Question 8
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The number written inside each triangle has some relation with the three numbers written on the vertices of the triangle. Find the number which will come in place of the question mark.

A
14

B
18

C
21

D
24

Question 9
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In a certain code language, JAGUAR is coded as KBFTBS. How will CHITAL be coded in the same code language?

A
DIJUBM

B
DIHSBM

C
DIHSZK

D
DIHUBK

Question 10
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Find the missing term in the given series:

7, 15, 19, 27, ?, 39, 43

A
30

B
31

C
33

D
35

Question 11
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Why do animals like frog and fish produce hundreds of eggs while hens and humans produce one egg at a time?

A
Eggs of frog and fish are preyed by predators and are exposed to environment.

B
In frogs and fish, internal fertilisation occurs.

C
Eggs of hens and humans are exposed to external environment.

D
Eggs of frogs and fish are produced inside the mother's body and are hence protected.

Question 12
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Which crops are grown between the months of March and June i.e., between Rabi and Kharif crop seasons?

A
Horticulture crops

B
Industrial crops

C
Plantation crops

D
Zaid crops

Question 13
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Which microorganism causes rust of wheat in leaves?

A
Alga

B
Fungus

C
Bacterium

D
Virus

Question 14
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Which of the following options is TRUE?

A
All the multicellular organisms start their lives as a single cell.

B
Nucleolus is situated inside the nucleus.

C
Cell membrane is a biological membrane that separates the interior of all cells from the outside environment.

D
All of the above

Question 15
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Study the dichotomous key and identify W, X and Y:

I. (i) A synthetic fibre that resembles wool: W
(ii) A synthetic fibre formed by polymerisation of compounds with a fruity odour: Go to III.

II. (i) Is woven into fabric: X
(ii) Is used to make bottles and utensils: Z

Which polyester fabric is used to make very fine yarn by which various dress materials are made?

A
W: PET (Polyethylene terephthalate)
X: Terylene
Z: Acrylic

B
W: Acrylic
X: Terylene
Z: PET (Polyethylene terephthalate)

C
W: PET (Polyethylene terephthalate)
X: Acrylic
Z: Terylene

D
W: Acrylic
X: PET (Polyethylene terephthalate)
Z: Terylene

Question 16
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Analyse the two statements given below and select the correct option.

Statement I: The screwdriver used by an electrician has a handle made of graphite.
Statement II: Graphite being a metal is a good conductor of electricity.

A
Both statements I and II are correct and statement II is the correct reason for I.

B
Both statements I and II are correct, but statement II is not the correct reason for I.

C
Statement I is correct, but statement II is incorrect.

D
Both statements I and II are incorrect.

Question 17
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Which of the following statements are not correct?

I. All metals have high melting points.
II. Iodine crystals are lustrous because iodine it is a metal.
III. Metals form ionic compounds with non-metals.
IV. Bromine is the only non-metal which is liquid at room temperature.

A
I, II and III

B
I and II

C
I, III and III

D
II and IV

Question 18
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Which of the following is not a diatomic non-metal?

A
Chlorine

B
Oxygen

C
Nitrogen

D
Sulphur

Question 19

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Fuels can be classified as natural (primary) fuels and derived (secondary) fuels.

Observe the following table and select the correct option to represent P, Q, R, S, T and U.

	P	Q	R	S	T	U
A.	Coke	Diesel	Coal gas	Coal	Crude oil	Natural gas
B.	Coke	Natural gas	Crude oil	Coal		Coal gas
C.	Coal	Coal gas	Natural gas	Coke	Crude oil	Diesel
D.	Coal	Crude oil	Natural gas	Coke	Diesel	Coal gas

A

B

C

D

Question 20
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Which of the following polymers is not resistant to heat?

A
Polyvinyl chloride

B
Melamine

C
Bakelite

D
Teflon

Question 21
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If a given sample of water has a high value of BOD, it indicates that

A
the water is pure and fit for drinking

B
the water is acidic

C
the water has a high amount of organic waste

D
the water sample is moderately clean

Question 22
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Which of the following options is TRUE?

A
Weeds are the unwanted plants growing along crops.

B
Weeds share the nutrients meant for plants.

C
Weedicides are sprayed in the fields to kill the unwanted plants.

D
All of the above

Question 23
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Diana, Dave and Cameron are working on a project in which they are burning a heap of green leaves, but they are finding difficulty in doing so. Why is it difficult to burn a heap of green leaves?

A
Because it has a high ignition temperature.

B
Because it contains high amounts of water.

C
Because it contains low amounts of water and has a low ignition temperature.

D
Because it contains high amounts of water and has a high ignition temperature.

Question 24
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Refer to the above flow chart and choose the major effect of A.

A
Water-logging

B
Soil becoming infertile

C
Soil salinity

D
Decrease in level of CO₂ in atmosphere

Question 25
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Directions: Read the two statements and choose the correct alternative.

A: CO₂ in the atmosphere causes global warming.
R: CO₂traps the heat reflected by the earth.

A
A is false, but R is true.

B
Both A and R are true, but R is not the right explanation of A.

C
Both A and R are true and R explains A.

D
A is true, but R is false.

Question 26
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Raman has a persistent high glucose level in his blood. Which of his glands may not be functioning properly?

A
Pituitary

B
Ovary

C
Adrenal

D
Pancreas

Question 27
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Which is the largest gland in the human body?

A
Liver

B
Pineal gland

C
Large intestine

D
Stomach

Question 28
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Three friends made the following statements:

Mehak: Indian giant squirrel is found only in India. It is an X species.
Shruti: Eichhornnia, now seen growing in ponds and lakes, was naturally not found in India. It is an Y species.
Priyanka: Orangutan will no longer be seen on the earth if not conserved. It is an Z species.

Identify the terms X, Y and Z and select the correct option.

A
X: Endemic; Y: Extinct; Z: Exotic

B
X: Endemic; Y: Extinct; Z: Endangered

C
X: Endemic; Y: Exotic; Z: Endangered

D
X: Endemic; Y: Endangered; Z: Exotic

Question 29
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Which of the following statements is true if the object is falling from a height?

A
Acceleration of the object keeps on increasing.

B
Total mechanical energy remains constant.

C
Total potential energy remains constant.

D
Total kinetic energy remains same.

Question 30
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Which of the following Petri dishes is most likely to contain a Lactobacillus colony?

A
(B)

B
(C)

C
(A)

D
(D)

Question 31
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Some water is kept in a beaker. The beaker is kept in a freezer. The water starts freezing. What will happen to the level of water?

A
It will decrease.

B
It will remain same.

C
It will increase.

D
It will first increase, then decrease.

Question 32
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Small liquid drops are spherical in shape due to the phenomenon of

A
adhesion

B
gravitational force

C
atmospheric pressure

D
surface tension

Question 33
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When the same note is played on a sitar and a flute, the sound produced can be distinguish from each other because of the difference in which of the following?

A
Pitch

B
Pitch and loudness

C
Quality of material

D
Loudness

Question 34
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Refer to the venn diagram above and choose the correct purpose of ABC.

A
Increasing the nutritive content of soil

B
Upturning of soil.

C
Increasing the moisture content of soil

D
Detoxification of soil

Question 35
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Rahul's voice is twice louder as compared to Simran's voice. What is the relation between intensities of Rahul's and Simran's voice?
I_r= Intensity of Rahul's voice
I_{s = Intensity of Simran's voice}

A

B

C

D

Question 36
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Shilpi is a drummer. She notices that when she plays a drum, it vibrates and produces sound. She wonders if any part of her body also vibrates when she speaks. What could be that part of the body?

A
Lips or teeth

B
Vocal cord in larynx

C
Legs

D
Joint of hands

Question 37
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Consider the following statements about the combustion of substances:

(i) It is possible to boil water in a paper cup.
(ii) L.P.G. undergoes spontaneous combustion.
(iii) Paraffin wax burns with a flame.
(iv) Yellow orange colour of the flame indicates complete combustion.

Which of the above statements are not correct?

A
(i) and (ii)

B
Only (ii) and (iv)

C
Only (iii) and (iv)

D
Only (i) and (iv)

Question 38
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Observe the image given below depicting the process of electrolysis of water.

Select the correct option regarding the electrodes X and Y and the gases A and B formed as the products of electrolysis of water.

A
Electrode X is the cathode and gas A is oxygen gas.

B
Electrode Y is the cathode and gas B is hydrogen gas.

C
Electrode X is the cathode and gas A is hydrogen gas.

D
Electrode Y is the cathode and gas B is oxygen gas.

Question 39
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Which of the following precautions can be taken when an earthquake occurs?

A
Use elevators during an earthquake.

B
If driving, stop near power lines, bridges.

C
If outdoor, stand under a tall tree.

D
Duck under a table or desk.

Question 40
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Take a ball pen refill and rub it against a woollen cloth. Bring this refill near bits of paper. What can be observed by performing the this activity?

A
A charged object attracts an uncharged object.

B
A charged object does not attract an uncharged object.

C
Like charges repel each other.

D
Like charges attract each other.

Question 41
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Which of the following phases of Moon appears as a circle with some portion cut off?

A
New Moon

B
1^st Quarter

C
Waxing Crescent

D
Waxing Gibbous

Question 42
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The distance between the Earth and the Sun is known as:

A
Astronomical Unit

B
Light Year

C
Waxing Gibbous

D
Waxing Crescent

Question 43
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Mercury, Venus , Mars and Earth are the terrestrial planet why the planets near to sun are terrestrial planets unlike the planets away from the sun

A
Because their temperature are high

B
Because they have no water

C
Because the gas around the these planets are attracted by sun's gravity

D
Because the gas around them get vanish due to solar wind.

Question 44

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Observe the table given below depicting the uses of some of the products separated out during the fractional distillation of petroleum.

Select, from among the following options, the one that identifies 'W', 'X', 'Y' and 'Z' correctly.

	W	X	Y	Z
A	Bitumen	L.P.G.	Petrol	Kerosene
B	Bitumen	Kerosene	Petrol	L.P.G.
C	L.P.G.	Petrol	Bitumen	Kerosene
D	Bitumen	L.P.G.	Kerosene	Petrol

A

B

C

D

Question 45
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Which of the following is/are a cause of water pollution?

A
Chlorofluorocarbons

B
Exhaust from automobiles

C
Suspended particulate matter

D
Untreated sewage

Question 46
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Copper objects acquire a dull green coating on exposure to moist air.
The chemical reaction that occurs can be represented as:

W, X, Y and Z respectively are:

A
H₂, O₂, H₂O

B
H₂, CO₂, H₂O

C
O₂, H₂O, CO₂

D
H₂, C, O₂

Question 47
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Which of the following pictures come under the category of fungi?

A
A, B and E

B
A, B and C

C
A, B, C, D and E

D
A, C and D

Question 48
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The figure given below shows a typical plant cell with its parts labelled 'a-d'. Select the incorrect option regarding the labelled parts.

A
Along with plants, a is also present in bacteria and fungi.

B
b contains various cell organelles dispersed in it.

C
d is a double membraned cell organelle.

D
c in animal cells is large and occupies the centre of the cell.

Question 49

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Match the metals from the first column I with the salt solution from the second column with which they will exhibit the displacement reaction.

Metal	Salt solutions
(i) Copper	P. Copper Sulphate (CuSO₄)
(ii) Iron	Q. Ferrous sulphate (FeSO₄)
(iii) Zinc	R. Zinc sulphate (ZnSO₄)
(iv) Aluminium	S. Silver nitrate (AgNO₃)

(i) – S, (ii) – P, (iii) – Q, (iv) – R

(i) – P, (ii) – R, (iii) – Q, (iv) – S

(i) – S, (ii) – Q, (iii) – P, (iv) – R

(i) – S, (ii) – P, (iii) – R, (iv) – Q

Question 50

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Match the following:

A	B
1. Drag	w. The friction that exists between a stationary object and the surface on which it is resting
2. Rolling friction	x. The frictional force exerted by fluids
3. Static friction	y. The resistance created by any two objects when sliding against each other
4. Sliding friction	z. The force resisting the motion when a body (such as a ball, tire, or wheel) rolls on a surface

1 - x, 2 - z, 3 - w, 4 - y

1 - x, 2 - z, 3 - y, 4 - w

1 - z, 2 - x, 3 - w, 4 - y

1 - x, 2 - w, 3 - z, 4 - y

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NSO - Mock Test...

Question 1

A

B

C

D

Question 2

A

B

C

D

Question 3

10

12

14

15

Question 4

A

B

C

D

Question 5

A

B

C

D

Question 6

Venus

Neptune

Jupiter

Uranus

Question 7

42

45

47

50

Question 8

14

18

21

24

Question 9

DIJUBM

DIHSBM

DIHSZK

DIHUBK

Question 10

30

31

33

35

Question 11

Eggs of frog and fish are preyed by predators and are exposed to environment.

In frogs and fish, internal fertilisation occurs.

Eggs of hens and humans are exposed to external environment.

Eggs of frogs and fish are produced inside the mother's body and are hence protected.

Question 12

Horticulture crops

Industrial crops

Plantation crops

Zaid crops

Question 13

Alga

Fungus

Bacterium

Virus

Question 14

All the multicellular organisms start their lives as a single cell.

Nucleolus is situated inside the nucleus.

Cell membrane is a biological membrane that separates the interior of all cells from the outside environment.

All of the above

Question 15

W: PET (Polyethylene terephthalate)X: TeryleneZ: Acrylic

W: AcrylicX: TeryleneZ: PET (Polyethylene terephthalate)

W: PET (Polyethylene terephthalate)X: Acrylic Z: Terylene

W: Acrylic X: PET (Polyethylene terephthalate)Z: Terylene

Question 16

Both statements I and II are correct and statement II is the correct reason for I.

Both statements I and II are correct, but statement II is not the correct reason for I.

Statement I is correct, but statement II is incorrect.

W: PET (Polyethylene terephthalate)
X: Terylene
Z: Acrylic

W: Acrylic
X: Terylene
Z: PET (Polyethylene terephthalate)

W: PET (Polyethylene terephthalate)
X: Acrylic
Z: Terylene

W: Acrylic
X: PET (Polyethylene terephthalate)
Z: Terylene

Decrease in level of CO₂ in atmosphere