NSO - Mock Test

TIME LEFT -

Question 1
1.2 / -0

Complete the following series:

FIL, GJM, HKN, ___

A
ILM

B
IJO

C
ILN

D
ILO

Question 2
1.2 / -0

Directions: In the following question, there is a relationship between the two terms to the left of : : and the same relationship exists between the two terms to its right, out of which one term is missing. Choose the missing term from the given options.

HORSE : STABLE :: RABBIT : ?

A
Burrows

B
Shed

C
Hole

D
Den

Question 3
1.2 / -0

If in a certain language, COMPETITION is CODED as BNLODSHSHNM, then how will DISCONTINUED be written in that code?

A
CHRBNMHSMTDC

B
CHRBNMSHMTDC

C
CHRBMNSHMTDC

D
CRHBNMSHMTDC

Question 4
1.2 / -0

Arrange the words given below in a meaningful sequence.

1. House
2. Street
3. Room
4. Town
5. District

A
3, 2, 1, 4, 5

B
3, 1, 4, 2, 5

C
3, 1, 2, 4, 5

D
3, 1, 2, 5, 4

Question 5
1.2 / -0

Find out the alternative figure which contains figure (X) as its part.

A
(1)

B
(2)

C
(3)

D
(4)

Question 6
1.2 / -0

Directions: Select the figure from the given options that will complete the following series.

A

B

C

D

Question 7
1.2 / -0

Choose the appropriate option which resembles the perfect mirror image of the following figure:

A

B

C

D

Question 8
1.2 / -0

Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.

11, 13, 17, 19, 23, 25, ?

A
26

B
27

C
29

D
37

Question 9
1.2 / -0

In the following question, find out the alternative which will replace the question mark.

NATION : ANTINO :: HUNGRY : ?

A
HNUGRY

B
UHNGYR

C
YRNGUH

D
UNHGYR

Question 10
1.2 / -0

Choose the water image of Figure (X) from the given options:

Figure (X)-

A

B

C

D

Question 11
1.2 / -0

A is a metallic plate and B is a wooden plate. A feels colder as compared to B during winters. Which of the following properties of the metallic plate causes this effect?

A
It is a bad conductor of heat.

B
It is a good conductor of heat.

C
The metallic plate has a shiny surface.

D
None of these

Question 12
1.2 / -0

The temperature of Raj's room is 25°C, while that of Simran's room is 77°F. Choose the correct option describing the situation.

A
The temperature of Raj's room is more than the temperature of Simran's room.

B
The temperature of Simran's room is more than that of Raj's room.

C
Both rooms have the same temperature.

D
Nothing can be said.

Question 13
1.2 / -0

Motion of hands while running is known as ________.

A
translatory motion

B
rectilinear motion

C
oscillatory motion

D
non-periodic motion

Question 14
1.2 / -0

The distance between two buses is 50 km, they are running in the same direction with the speeds of 40 km/h and 50 km/h, respectively. Find the time taken by one bus to cross the other.

A
4 hours

B
5 hours

C
2 hours

D
3 hours

Question 15
1.2 / -0

What is the combination of two or more cells known as?

A
Remote

B
Battery

C
Spark

D
Charge

Question 16
1.2 / -0

Fuse is an application of

A
heating effect of current

B
magnetic effect of current

C
chemical effect of current

D
Physical effect of current

Question 17
1.2 / -0

What is the correct reason for making holes in big banners, meant for promotional purposes?

A
Air takes space.

B
Air can be compressed.

C
Air exerts pressure.

D
Air is affected by heat.

Question 18
1.2 / -0

Which of the following option is true for the eye of a cyclone?

A
The eye of cyclone is a high pressure area.

B
The eye of cyclone is a low pressure area.

C
The eye of cyclone has a diameter of 5 km to 10 km.

D
The eye of cyclone has a radius of 5 to 10 km.

Question 19
1.2 / -0

Which of the following options is/are TRUE?

A
Algae contain chlorophyll which gives them the green colour.

B
The main components present in carbohydrates are carbon, hydrogen and oxygen.

C
Stomata are the tiny pores present on the surface of leaves, which help in exchange of gases.

D
All of the above

Question 20
1.2 / -0

Which of the following is used by a dentist to see the enlarged image of teeth of patients?

A
Concave lens

B
Convex lens

C
Concave mirror

D
Plane mirror

Question 21
1.2 / -0

Which of the following options is TRUE?

A
Most liquids that conduct electricity are solutions of acids, bases and salts.

B
The passage of electric current through a solution causes a chemical effect.

C
If you pass current through a copper sulphate solution, copper gets deposited on the plate connected to the negative terminal of the battery.

D
All of the above

Question 22
1.2 / -0

Y is a substance that contains zinc carbonate, having basic nature, and is applied to the skin when an ant bites.
By which of the following names is Y commonly known?

A
Calamine solution

B
Ammonia

C
Milk of Magnesia

D
Antacid

Question 23
1.2 / -0

'A' is a chemical substance that turns the china rose indicator dark pink in colour.
What is the colour change expected when methyl orange and phenolphthalein indicators are added to two separate samples of a solution of 'A'?

A
The solution turns red with methyl orange and remains colourless with phenolphthalein.

B
The solution turns yellow with methyl orange and remains colourless with phenolphthalein.

C
The solution turns red with methyl orange and pink with phenolphthalein.

D
The solution turns yellow with methyl orange and pink with phenolphthalein.

Question 24
1.2 / -0

Look at the sequence of steps taken up during the processing of wool.

Shearing Scouring Sorting X Y Weaving

The missing steps X and Y, respectively, are:

A
Carding and Spinning

B
Dyeing and Drying

C
Scouring and Ginning

D
Sorting and Scouring

Question 25
1.2 / -0

Which of the following observations is not a clear indication that a chemical change has occurred?

A.. There is a colour change.
B. The process is endothermic.
C. A brisk effervescence is seen.
D. A precipitate is formed.
E. There is a change in the state.

A
A, B and C

B
B and E

C
B and C

D
C, D and E

Question 26
1.2 / -0

Directions: Analyse the two statements given below and select the correct option.

Statement I: Milk of magnesia is used as a remedy for acidity.
Statement II: Milk of magnesia is basic in nature.

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

B
Both statements I and II are correct, but 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 27

1.2 / -0

The behaviour of substances P, Q, R and S with different indicators is specified below.

Turns the turmeric indicator reddish brown: P
Turns blue litmus paper red: Q
Turns green with universal indicator: R
Does not effect the odour of vanilla indicator: S

Select the option that displays the correct choice of P, Q, R and S.

	P	Q	R	S
A	NH₄Cl	HCl	H₂O	NaOH
B	NaOH	HCl	NaCl (aq)	H₂SO₄
C	NaOH	HCl	NaCl (aq)	NH₄OH
D	NH₄OH	NaOH	H₂O	HCl

A

B

C

D

Question 28
1.2 / -0

X is the process of depositing a layer of zinc on iron, in order to prevent rusting.
What is the process called?

A
Painting

B
Electroplating

C
Alloy formation

D
Galvanisation

Question 29
1.2 / -0

The process X, is digestion of animal waste and production of biogas.
The process Y is the use of biogas as fuel.
Choose the correct option illustrating the processes X and Y?

A
X is a chemical change and Y is a physical change.

B
X is a physical change and Y is a chemical change.

C
Both the processes involve physical changes.

D
Both the processes involve chemical changes.

Question 30
1.2 / -0

Which of the following options is not a chemical change?

A
Digestion of food

B
Alloying of metals

C
Setting of curd

D
Baking of cookies

Question 31
1.2 / -0

It is an animal and its adaptation is that it is white in colour in order to merge into the background, and its streamlined body and webbed feet make it a swift swimmer. Name the animal.

A
Sea turtle

B
Penguin

C
Snow leopard

D
Arctic fox

Question 32
1.2 / -0

Jack is a meteorologist. Which device is used by Jack to measure the rainfall?

A
Odometer

B
Thermometer

C
Anemometer

D
Ombrometer

Question 33
1.2 / -0

In which of the following regions, would animals have adaptations like sticky pads, loud voice, bright colours, strong tails?

A
Tropical rainforests

B
Deserts

C
Polar regions

D
Aquatic regions

Question 34
1.2 / -0

Which of the following options shows the correct order of processes given below to make finished wool?

1. Shearing
2. Straightening, Combing and Rolling
3. Sorting
4. Dyeing
5. Scouring

A
1, 2, 3, 4, 5

B
1, 5, 3, 4, 2

C
1, 5, 3, 2, 4

D
5, 4, 3, 2, 1

Question 35
1.2 / -0

Dhruvan rears silkworms to obtain silk from them. What is this process known as?

A
Sericulture

B
Silviculture

C
Vermiculture

D
Apiculture

Question 36
1.2 / -0

It is an organism that survives on dead and decaying organic matter. Which of the following is this organism?

A
Amoeba

B
Cuscuta

C
Fungus

D
Pitcher plant

Question 37
1.2 / -0

Which of the following organisms live in partnership, so that they benefit from one another?

A
Decomposers

B
Saprotrophs

C
Omnivores

D
Symbionts

Question 38
1.2 / -0

Which of the following is true for saprotrophic nutrition?

A
Organisms give away nutrients in solution form from dead and decaying matter.

B
Organisms take in nutrients in solution form from fresh matter.

C
Organisms take in nutrients in solution form from dead and decaying matter.

D
Organisms take in nutrients in solution form from animals.

Question 39
1.2 / -0

Refer to the given Venn diagram and choose the correct option representing P.

A
Cockroach

B
Frog

C
Fish

D
Earthworm

Question 40
1.2 / -0

Which of the following forms the floor of the chest cavity?

A
Diaphragm

B
Lungs

C
Ribs

D
Nasal cavity

Question 41
1.2 / -0

Which of the following factors affect(s) photosynthesis?

(i) Temperature
(ii) Light intensity
(iii) Oxygen

A
Only (i)

B
Only (i) and (ii)

C
Only (ii) and (iii)

D
All (i), (ii) and (iii)

Question 42
1.2 / -0

Which of the following is present in plant cell but absent in animal cell?

A
Ribosome

B
Plastid

C
Mitochondrion

D
Cytoplasm

Question 43
1.2 / -0

Which two gases do plants excrete during excretion?

A
Nitrogen and Oxygen

B
Carbon dioxide and Oxygen

C
Carbon dioxide and Nitrogen

D
Hydrogen and Nitrogen

Question 44
1.2 / -0

The process to move sugar in plants is called

A
translocation

B
adhesion

C
osmosis

D
transpiration

Question 45
1.2 / -0

Refer to the diagram given below.

Which is the correct identification of the part that stores bile juice?

A
S

B
R

C
Q

D
P

Question 46

1.2 / -0

Match the different layers of the forests (Column I) with their respective characteristics (Column II)

Column I	Column II
(a) Overstory	(i). Termites,bacteria,earthworm and fungi
(b) Canopy	(ii). Receives most of the sunlight
(c) Understory	(iii). Humidity is very high
(d) Forest floor	(iv). Leaves of the trees have 'drip tips'

a - iv, b - iii, c - ii, d - i

a - i, b - ii, c - iii, d - iv

a - ii, b - iv, c - iii, d - i

a - iii, b - iv, c - i, d - ii

Question 47
1.2 / -0

Match the given statements with the correct word: Image or shadow

(i) It is formed by intersection of reflected rays.
(ii) It can be straight or inverted.
(iii) It does not provide information such as colour, structure etc.
(iv) It is never inverted.

A
(i) Image, (ii) Image, (iii) Image, (iv) Shadow

B
(i) Image, (ii) Image, (iii) Shadow, (iv) Shadow

C
(i) Image, (ii) Image, (iii) Shadow, (iv) Image

D
(i) Image, (ii) Shadow, (iii) Shadow, (iv) Image

Question 48
1.2 / -0

The given diagram shows the cross section of two different flowers. Read the statements that follow the diagram.

a. Both the flowers can grow into fruits.
b. Pollination can take place in both the flowers.
c. Both the flowers contain male and female parts.

Which statement about both the flowers is/are true?

A
Both a and b

B
Both b and c

C
Only a

D
Only c

Question 49
1.2 / -0

The diagram given below shows three blood vessels (A, B and C). Choose the option that gives the correct identification of A, B and C.

A
A - Artery, B - Capillary, C - Vein

B
A - Capillary, B - Artery, C - Vein

C
A - Vein, B - Capillary, C - Artery

D
A - Artery, B - Vein, C - Capillary

Question 50
1.2 / -0

Match the following.

A
1 – x, 2 – z, 3 – w, 4 – y

B
1 – z, 2 – y, 3 – x, 4 – w

C
1 – z, 2 – x, 3 – w, 4 – y

D
1 – x, 2 – w, 3 – z, 4 – y