NDA General Ability Test 4 Sep 2022 Official Paper (English)

1. 𝐃𝐢𝐫𝐞𝐜𝐭𝐢𝐨𝐧𝐬: Item in this section consists of a sentence with an underlined word followed by four words (a), (b), (c) and (d). Select the option that is opposite in meaning to the underlined word and mark your response in the Answer Sheet accordingly. Human c͟r͟a͟v͟i͟n͟g͟ for comfort leads to anxiety.

like
dislike
discomfort
complacency

2 . His writings on the subject are o͟b͟s͟c͟u͟r͟e͟.

murky
vague
obvious
uncertain

3 . The achievements of the team have been m͟o͟n͟u͟m͟e͟n͟t͟a͟l͟ in the last ten years.

enormous
memorable
striking
unimpressive

4 . His f͟r͟a͟i͟l͟ appearance was considered a merit.

weak
delicate
sturdy
big

5 . The novel depicts the h͟a͟p͟l͟e͟s͟s͟ status of certain sections of society.

wretched
miserable
rural
fortunate

6 . Her ideas have always been e͟c͟c͟e͟n͟t͟r͟i͟c͟.

special
strange
normal
local

7 . The land appears to be p͟a͟r͟c͟h͟e͟d͟.

dry
desiccated
wet
scorched

8 . The newly made road was s͟m͟o͟o͟t͟h͟.

rutted
dangerous
winding
silken

9 . P͟l͟e͟n͟i͟t͟u͟d͟e͟ is one major cause for environmental degradation.

abundance
insufficiency
ample
plethora

10 . The scholar quoted i͟r͟r͟e͟f͟u͟t͟a͟b͟l͟e͟ evidence for her thesis.

overwhelming
undeniable
certain
questionable

11 . 𝐃𝐢𝐫𝐞𝐜𝐭𝐢𝐨𝐧𝐬: Item in this section consists of a sentence with an underlined word followed by four words/group of words (a), (b), (c) and (d). Select the option that is nearest in meaning to the underlined word and mark your response in the Answer Sheet accordingly. Ravi told his friend that he had no intention to m͟a͟l͟i͟g͟n͟ him.

benign
slander
praise
greet

12 . Sheela appeared to be v͟e͟x͟e͟d͟.

clear
calm
displeases
uncomplicated

13 . Do not hold any p͟r͟e͟c͟o͟n͟c͟e͟p͟t͟i͟o͟n͟ about people.

notion
experiment
great idea
conceit

14 . All m͟o͟r͟t͟a͟l͟ elements are impermanent.

temporal
immortal
never-ending
divinely

15 . The i͟t͟i͟n͟e͟r͟a͟r͟y͟ of the group’s visit to the hills was given to everyone.

invitation
information
schedule
names

16 . The effort was to h͟a͟r͟n͟e͟s͟s͟ the power of nature.

abuse
benefit
apply
control

17 . The f͟i͟c͟k͟l͟e͟ nature of humans is at times the cause of great innovations.

vacillating
consistent
strong
wily

18 . The flood situation during the monsoon this year was c͟a͟l͟a͟m͟i͟t͟o͟u͟s͟.

abundance
catastrophic
encouraging
welcome

19 . He was appointed as the h͟o͟n͟o͟r͟a͟r͟y͟ member of the team.

paid
invited
accepted
unpaid

20 . The church decided to e͟x͟c͟o͟m͟m͟u͟n͟i͟c͟a͟t͟e͟ him for his actions.

admit
reward
expel
promote

21 . 𝐃𝐢𝐫𝐞𝐜𝐭𝐢𝐨𝐧𝐬: in the following items in this section consists of a sentence, the parts of which have been jumbled. These parts have been labelled P, Q, R and S. Given below each sentence are four sequences namely (a), (b), (c) and (d). You are required to rearrange the jumbled parts of the sentence and mark your response accordingly. (P)to be successful (Q) what it is (R) as a human being (S) have you ever considered (S)

SQPR
RQPS
QRSP
PRSQ

22 . (P) there is in all instance a single, (Q) surrender to the idea that (R) authoritative truth to be discovered and defended (S) many people today are willing to

RPSQ
SPRQ
RPQS
SQPR

23 . (P)for yourself the implications of death, (Q) if you do not reflect and understand (R) from one preacher to another (S) you will go endlessly

SRPQ
QPSR
RSPQ
QRSP

24 . (P)a way of understanding the world, (Q) a language represents (R) and relating them to one another (S) differentiating between things

PSRQ
SRPQ
RSPQ
QPSR

25 . (P)for India’s future (Q) mathematics and mathematical thinking (R) will be very important (S) it is recognized that

QRPS
RPSQ
QRSP
SQRP

26 . (P)in agriculture and veterinary sciences through (Q) will be enhanced sharply (R) programmes integrated with general education (S) the preparation of professionals

SRPQ
RQPS
SPRQ
PQRS

27 . (P)and should shift the way (Q) are certainly very important, (R) we think about politics (S) the issues raised by feminists and multiculturalists

RPQS
RSPQ
SPQR
SQPR

28 . (P)by which the genetic material of a plant is altered, (Q) pests and enhance its nutritional value (R) perhaps to make it more resistant to (S) genetic modification (GM) is the science

QRPS
SPRQ
RSPQ
RPQS

29 . (P)a much wider array of perspectives (Q) the editors of the present work (R) the history of social reforms from (S) argue the need to understand

QSRP
QPRS
RSQP
SQRP

30 . (P)for which she fought till the end (Q) as a champion of women’s rights, (R) Pandita Ramabai was truly remarkable (S) as a pioneer in women’s education and

SRQP
QPRS
RSQP
PQRS

31 . 𝐃𝐢𝐫𝐞𝐜𝐭𝐢𝐨𝐧𝐬: Item in this section has a sentence with three parts labelled (a), (b) and (c). Read each sentence to find out whether there is any error in any underlined part. Indicate your response in the Answer Sheet against the corresponding letter, i.e., (a) or (b) or (c). If you find no error, your response should be indicated as (d). Our greatest glory is (a) / not in never falling but in (b) / raising every time we fall. (c) / No error (d)

a
b
c
d

32 . Rahim was one of that (a) / selected for (b) / the award. (c) No error (d)

a
b
c
d

33 . Sujini has met her old friend (a) / Guru before she shifted (b) / to Hyderabad two years ago. (c) / No error (d)

a
b
c
d

34 . This monument happens (a) / to be one of the old monument (b) / in the city. (c) / No error (d)

a
b
c
d

35 . Amit told to Divya (a) / that he would come (b) / with a reward for her. (c)/ No error (d)

a
b
c
d

36 . If you have asked me (a) / for the truth I would have told (b) / you at that time. (c) / No error (d)

a
b
c
d

37 . If I will be the millionaire (a) / I would eradicate (b) / poverty from the country. (c) / No error (d)

a
b
c
d

38 . A bird in the hand (a) / is better than (b) / two in the bush. (c) / No error (d)

a
b
c
d

39 . The opportunity to attain foundational literacy (a) / and pursue a honest livelihood (b) / must be viewed as the basic right of every citizen. (c) / No error (d)

a
b
c
d

40 . Though there is progress (a) / for different directions, (b) / why is there no brotherhood? (c) / No error (d)

a
b
c
d

41 . 𝐃𝐢𝐫𝐞𝐜𝐭𝐢𝐨𝐧𝐬: Given below are some idioms/phrases followed by four alternative meanings for each. Choose the most appropriate answer from among the options (a), (b), (c) and (d). A queer fish

A strange person
A good person
An unlucky person
A lucky person

42 . Eat like a bird

Eat very quickly
Eat a lot
Eat continuously
Eat very little

43 . Lock horns

Be like a bull
Argue about something
Agree with someone
Think about the horns

44 . Early bird

Low flying
Latest
Ancient avian
First arrival

45 . Be in the pink

To be very healthy
To be very colourful
To be very sad
To be very rich

46 . Be in the running

In a very bad state to speak
In a powerful position
In a good position to win
In a losing position

47 . A sea change

Change in the sea tides
A complete change
Change like sea
Changed sea with pollution

48 . A pearl of wisdom

An important event in one’s life
An important person of wisdom
An important piece of advice
An important thing in one’s life

49 . Be in seventh heaven

To be extremely sorry
To be extremely wise
To be extremely sad
To be extremely happy

50 . Be in the red

To owe money to a bank
To get money from one’s family
To be in danger of being caught
To be in favour of needy people

51 . Which one of the following was composed by Harishena?

Nashik Inscription of Gautami Balashri
Prayaga Prashasti of samudragupta
Deopara Prashasti of Vijayasena
Hathigumpha Inscription of Kharavela

52 . Consider the following events: 1. Establishment of the Planning Commission 2. Formation of the National Development Council (NDC) 3. Approval of the First Five-Year Plan by the NDC 4. Constitution of the National Planning Committee Which one of the following is the correct sequence of the above events?

1-2-3-4
2-1-3-4
4-1-2-3
1-4-2-3

53 . Which one of the following battles could be seen as laying the formal foundation of the British Raj in India?

Third Battle of Panipat
Battle of Plassey
Battle of Buxar
Revolt of 1857

54 . Where in South India did the British East India Company construct a trading post in 1639?

Cuddalore
Madraspatnam
Kalahasti
Karwar

55 . Which of the following statements is/are correct? 1. The Dutch East India Company was formed after the formation of the British East India Company. 2. Vasco da Gama reached Calicut in 1498. Select the correct answer using the code given below.

1 only
2 only
Both 1 and 2
Neither 1 nor 2

56 . In India, a cultivable land which is left uncultivated for more than a year but less than five years is labelled as

cultivable wasteland
current fallow
fallow other than current fallow
barren and wasteland

57 . The major portion of the Great Artesian Basin in Australia is located in

Western Australia
Victoria
Queensland
Northern Territory

58 . Which of the following statements is/are correct? 1. India has one of the longest navigable inland water networks in the world. 2. Inland waterways presently help in transporting about 25 percent of the total cargo movement. 3. About 111 inland waterways have been declared as National Waterways under the National Waterways Act, 2016. Select the correct answer using the code given below.

1, 2 and. 3
1 and 2 only
3 only
1 and 3 only

59 . Match List-I with List-Il and select the correct answer using the code given below the Lists:

A-3, B-4, C-1, D-2
A-3, B-1, C-4, D-2
A-2, B-1, C-4, D-3
A-2, B-4, C-1, D-3

60 . Which one of the following statements about earthquake waves is not correct?

P waves move faster and are the first to arrive at the surface.
P waves can travel through gaseous, liquid and solid materials.
Seismographs located beyond 145° from epicentre can record the arrival of P waves.
P waves have maximum area covered under its shadow zone.

61 . The commercial unit of electrical energy is kilowatt- hour (kWh), which is equal to

3.6 x 10⁶ J
3.6 x 10³ J
10³ J
1 J

62 . Which one of the following statements regarding a current-carrying solenoid is not correct?

The magnetic field inside the solenoid is uniform.
The current-carrying solenoid behaves like a bar magnet.
The magnetic field inside the solenoid increases with increase in current.
If a soft iron bar is inserted inside the solenoid, the magnetic field remains the same.

63 . An object is made of two equal parts by volume; one part has density po, and the other part has density 2po. What is the average density of the object?

3ρ₀
3/2 ρ₀
ρ₀
1/2 ρ₀

64 . A pressure cooker cooks food faster by

increasing the boiling point of water
decreasing the boiling point of water
increasing the melting point of water
decreasing the melting point of water

65 . Which one of the following wavelengths corresponds to the wavelength of X-rays?

500 nm
5000 nm
100 nm
1 nm

66 . An electric bulb is connected to 220 V generator. The current drawn is 600 mA. What is the power of the bulb?

132 W
13.2 W
1320 W
13200 W

67 . When the pitch of sound increases, which one of the following increases?

Intensity
Loudness
Wavelength
Frequency

68 . Which one of the following is the correct reactivity series with water?

Zinc > Iron > Lead > Copper
Copper > Lead > Zinc > Iron
Copper > Zinc > Iron > Lead
Zinc > Copper > Iron > Lead

69 . Which one of the following metals floats in cold water?

Magnesium
Calcium
Potassium
Copper

70 . Which one of the following solutions is not capable of conducting electricity?

Copper sulphate
Sodium chloride
Sugar
Sodium hydroxide

71 . To help deep-sea divers breathe, they carry cylinders of oxygen mixed with

chlorine
helium
nitrogen
ozone

72 . Which of the following compounds undergoes/undergo thermal decomposition?

Zinc oxide
Silver oxide and zinc oxide
Silver oxide
Magnesium oxide

73 . The transfer of electrical signals by nerve cells in human body is enabled by

sodium
potassium
iron
sodium and potassium

74 . Silver artifacts get tarnished in the air due to the formation of

silver chloride
silver oxide
silver sulphide
silver sulphate

75 . Human eye can see objects at different distances with contrasting illuminations. This is due to

far-sightedness
near-sightedness
far-sightedness and nearsightedness
accommodation of eye

76 . Which one of the following hormones increases the heartbeat in mammals?

Insulin
Melatonin
Thyroxine
Adrenaline

77 . The digestion of fat in human intestine is performed by

Bile and Lipase
trypsin
bile and amylase
bile and pepsin

78 . Which one of the following statements about animal cells and plant cells is correct?

Animal cells have only cell membrane not cell wall, whereas plant cells have only cell wall not cell membrane.
Animal cells have only cell membrane not cell wall, but plant cells have both.
Both animal and plant cells have cell membrane and cell wall.
Only some cells of animals have cell wall and all plant cells have cell membrane.

79 . Lymph is a tissue fluid present in intercellular spaces. It resembles to

digestive juice
cytoplasmic fluid
urine
plasma

80 . The breakdown of glucose in cytoplasm results in the formation of

pyruvate and energy
pyruvate and carbon dioxide
pyruvate and oxygen
pyruvate and nitrogen

81 . Rafael Nadal defeated whom among the following to win the French Open Tennis Tournament, 2022?

Austin Krajicek
Ivan Dodig
Casper Ruud
Joran Vliegen

82 . eSanjeevani, the free telemedicine service of the Government of India, was recently integrated with the

Ayushman Bharat Digital Mission
Aam Aadmi Bima Yojana
Pradhan Mantri Suraksha Bima Yojana
Universal Health Insurance Scheme

83 . Which of the following statements about ‘SHRESHTA’ scheme, launched recently by the Government of India, is/are correct? 1. This scheme is for residential education for students in high school in targeted areas. 2. It provides for high quality education for meritorious but poor Scheduled Caste students. Select the correct answer using the code given below.

1 only
2 only
Both 1 and 2
Neither 1 nor 2

84 . In a recent judgement, the Supreme Court of India directed that every protected forest, national park and wildlife sanctuary across the country should have a mandatory eco-sensitive zone (ESZ) of a minimum of

1 km starting from their demarcated boundaries
2 km starting from their demarcated boundaries
3 km starting from their demarcated boundaries
5 km starting from their demarcated boundaries

85 . Who among the following is the author of the book, Tomb of Sand?

Arundhati Roy
Geetanjali Shree
Chetan bhagat
Jhumpa Lahiri

86 . Who among the following invented the flying shuttle?

James Hargreaves
John Kay
Richard Arkwright
Humphry Davy

87 . Where did Netaji Subhas Chandra Bose announce the formation of the Government of Free India in 1943?

Singapore
Shangai
Berlin
Mandalay

88 . Who among the following introduced the ‘Objective Resolution’ in the Constituent Assembly on 13th December, 1946?

Jawaharlal Nehru
Rajendra Prasad
B. R. Ambedkar
Alladi Krishnaswami Aiyar

89 . Consider the following historical events: 1. Gandhi-Irwin Pact 2. Second Round Table Conference 3. Peasant Movement in Bardoli 4. Peasant Movement in Kheda Which one of the following is the correct chronological order (starting from the earliest) of the above events?

4-1-3-2
4-3-1-2
3-1-2-4
1-2-4-3

90 . Which of the following statements about the Unionist Party is/are correct? 1. It was a political party representing the interests of landholders in Punjab. 2. It was opposed to the idea of the partition of India as India and Pakistan. Select the correct answer using the code given below.

1 only
2 only
Both 1 and 2
Neither 1 nor 2

91 . Which one of the following statements about metamorphic rocks is not correct?

Due to segregation of minerals into wavy bands or platy surfaces, some metamorphic rocks develop foliations.
Where the foliations develop into broad mineral bands, the metamorphic rock is extremely hard.
Where the foliations are moderately thin, the metamorphic rock tends to flake apart.
Rocks that originally were composed of one dominant mineral are often foliated by metamorphism.

92 . Which one of the following ‘discontinuities’ separates the Earth’s crust from the mantle?

Gutenberg
Mohorovicic
Conrad
Repetti

93 . Which one of the following cities of the world would represent the greatest linear velocity of rotation of the Earth?

Kampala, Uganda
St. Petersburg, Russia
Madrid, Spain
Stockholm, Sweden

94 . What will happen if you are flying east across the International Date Line?

You will lose 12 hours
You will gain 12 hours
You will gain 24 hours
You will lose 24 hours

95 . The Prime Meridian does not pass through which one of the following African countries?

Morocco
Algeria
Mali
Ghana

96 . Piecing together the puzzle of geologic time to create and analyze historical maps of the Earth is known as

paleoclimatology
paleogeomorphology
paleolithology
paleogeography

97 . What is the nature of velocity-time graph for a car moving with uniform acceleration?

Parabola
Logarithmic
Straight line
Exponential

98 . The amplitude of sound waves is measured in the units of

pressure
distance
time
speed

99 . A current of 0.6 A is drawn by an electric bulb for 10 minutes. Which one of the following is the amount of electric charge that flows through the circuit?

6 C
0.6 C
360 C
36 C

100 . A DC generator works on the principle of

Ohm’s law
Joule’s law of heating
Faraday’s laws of electromagnetic induction
None of the above

101 . The presence of magnetic field can be determined using which one of the following instruments?

Ammeter
Voltmeter
Magnetic needle
Motor

102 . Which one of the following statements about speed and velocity is correct?

Speed and velocity both are vector quantities.
Speed and velocity both are scalar quantities.
Speed is vector quantity and velocity is scalar quantity.
Speed is scalar quantity and velocity is vector quantity.

103 . Bronze is an alloy of

Cu and Zn
Cu and Sn
Zn and Mg
Fe and Cu

104 . Which one of the following salts does not possess water of crystallization?

Potassium permanganate
Blue vitriol
Washing soda
Mohr’s salt

105 . Bee sting leaves an acid which causes pain and irritation. The acid released is

tartaric acid
methanoic acid
ethanoic acid
citric acid

106 . Liquid vegetable oils are converted to solid margarine by the use of

hydrogen gas
chlorine gas
carbon dioxide gas
oxygen gas

107 . The number of structural isomers of pentane is

5
4
2
3

108 . Vapours of sulphur escaping from a volcano often form a crust on the rocks. The process involved is an example of

condensation
precipitation
deposition
evaporation

109 . Dry ice is used on a performing stage to produce mist in air. The process involved is an example of

sublimation
evaporation
condensation
precipitation

110 . C₄H₈ belongs to the homologous series of

alkanes
alkenes
alkynes
cycloalkenes

111 . The protein-digesting enzyme secreted by the stomach wall in case of mammals is called

chitinase
amylase
pepsin
trypsin

112 . Which one of the following will be resulted when an animal cell is surrounded by a medium with lower concentration of water?

Cell will lose water
No change in movement of water
Cell will gain water
Cell will swell up

113 . The digestive enzymes are present in

mitochondria
vacuoles
lysosomes
ribosomes

114 . After fertilization, the fruit and the seed are produced by

ovule and ovary, respectively
ovary and ovule, respectively
ovary, no ovule required
ovule, no ovary required

115 . Which among the following has initiated a nationwide flagship campaign ‘Puneet Sagar Abhiyan’ to clean seashores/ ‘beaches and other water bodies of plastic and other waste materials?

Indian Coast Guard
National Cadet Corps (NCC)
Indian Navy
Swachh Bharat Mission

116 . Which among the following was the host country of the United Nations World Environment Day, 2022?

Canada
Sweden
South Africa
Brazil

117 . Which of the following Indian Naval Ships were decommissioned in June 2022?

INS Ganga and INS Nipat
INS Nishank and INS Akshay
INS Khukri and INS Sandhayak
INS Gomati and INS Ranjit

118 . India signed a deal with which one of the following countries to supply MH-60R helicopters to the Indian Navy?

Israel
France
Russia
USA

119 . With reference to India’s defence, the terms ‘Surat’ and ‘Udaygiri’ refer to

coast guard patrol boats
cargo helicopters
maritime patrol aircrafts
warships

120 . Who among the following laid the foundation of the Vijayanagara Empire?

Harihara and Bukka
Krishnadeva Raya
Rama Raya
Virupaksha Raya

121 . The book, Kalila wa Dimna is an Arabic translation of the

Hitopadesha
Panchatantra
Suryasiddhanta
Kathasaritsagar

122 . Who among the following initiated the Bhoodan Movement?

Ram Prasad Bismil
Vinoba Bhave
Mahatma Gandhi
Kanhu Murmu

123 . Which one of the following rivers in India was not crossed by Alexander and his army?

Hyphasis
Acesines
Hydraotes
Hydaspes

124 . Who among the following has described the medieval Indian postal system as of two kinds-the horse-post called ‘Uluq’ and the foot-post called ‘Dawa’?

Al-Biruni
Daurte Barbose
Ibn Battuta
Seydi Ali Reis

125 . At which among the following Harappan sites are fire altars found?

Kalibangan
Harappa
Mohenjo-daro
Rakhi Garhi

126 . Consider the following statements on computation of density: 1. Physiological density can be computed by dividing the total population by the net cultivable area. 2. Agricultural density can be computed by dividing the total agricultural population by the net cultivable area. 3. Population density can be computed by dividing the total population by the total area. How many of the above statements is/are correct?

1
2
3
None

127 . The formation of ‘tors’ on small rocky hills is associated with which among the following?

Granite
Limestone
Alluvial
Dolomite

128 . Consider the following statements about anticyclones: 1. Anticyclones are high pressure systems. 2. Air in the centre of the system must be subsiding. 3. Anticyclones are characterized by converging winds. How many of the above statements is/are correct?

1
2
3
None

129 . Which of the following statements is/are correct? 1. The Earth’s crust is brittle in nature. 2. The mean thickness of the oceanic crust is 15 km, whereas that of the continental crust is around 30 km. Select the correct answer using the code given below.

1 only
2 only
Both 1 and 2
Neither 1 nor 2

130 . In January 2020, the administration of which of the following Union Territories has been merged together?

Daman and Diu and Puducherry
Puducherry and Dadra and Nagar Haveli
Puducherry and Andaman and Nicobar Islands
Dadra and Nagar Haveli and Daman and Diu

131 . Two convex lenses have focal lengths of 50 cm and 25 cm, respectively. If these two lenses are placed in contact, then the net power of this combination will be equal to

+2 dioptre
+6 dioptre
-6 dioptre
+3 dioptre

132 . Which one of the following terms cannot represent electrical power in a circuit?

VI
I²/R
I²R
V²/R

133 . The refractive index of crown glass is close to 3/2. If the speed of light in air is c, then the speed of light in the crown glass will be close to

(3/2)c
(4/9)c
(2/3)c
(9/4)c

134 . The volume of a sealed packet is 1 liter and its mass is 800 g. The packet is first put inside the water with a density of 1 g cm³ and then in another liquid B with a density of 1.5 g cm³. Then which one of the following statements holds true?

The packet will float in both water and liquid B.
The packet will sink in both water and liquid B.
The packet will sink in water but will float in liquid B.
The packet will float in water and sink in liquid B.

135 . A simple pendulum having bob of mass m and length of string I has time period of T. If the mass of the bob is doubled and the length of the string is halved, then the time period of this pendulum will be

T
T/√2
2T
√2T

136 . In which one of the following devices, the light energy is converted into the electrical energy?

Light-emitting diode
Laser diode
Solar cell
Transistor

137 . Which one of the following is not a power of Panchayats under Article 243G?

Land improvement
Implementation of land reforms
Land consolidation and soil conservation
Regulation of land revenue

138 . Match List-I with List-Il and select the correct answer using the code given below the Lists:

A-3, B-2, C-1, D-4
A-3, B-1, C-2, D-4
A-4, B-1, C-2, D-3
A-4, B-2, C-1, D-3

139 . Who among the following is the author of the Hastyayurveda ?

Palakapya
Vagbhata
Sushruta
Charaka

140 . Which one of the following areas was acquired by the British under the Treaty of Deogaon, 1803?

Cuttack
Murshidabad
Surat
Calicut

141 . Consider the following statements: 1. Maharashtra State has the maximum share of national highways (length in kilometres). 2. The nature of terrain and the level of economic development is one of the reasons for the maximum share of national highways in Maharashtra. Which of the statements given above is/are correct?

1 only
2 only
Both 1 and 2
Neither 1 nor 2

142 . The activities or services focussed on creation, rearrangement and interpretation of new and existing ideas are referred to as

quaternary activities
quinary activities
tertiary activities
secondary activities

143 . Consider the following statements about ‘Ude Desh ka Aam Nagrik (UDAN)’ scheme : 1. It is an innovative scheme to develop the regional aviation market. 2. It creates affordability yet economically viable and profitable flight on regional routes. Which of the statements given above is/are correct?

1 only
2 only
Both 1 and 2
Neither 1 nor 2

144 . Consider the following statements: 1. The Sharavati river creates Jog Falls. 2. The Brahmani river is formed by the confluence of the Kosi and Sankh rivers. 3. The Tamraparni is a river of Tirunelveli district of Tamil Nadu. How many of the above statements is/are correct?

1
2
3
None

145 . SONAR is a device that is used to measure the distance of underwater objects by a ship. Which of the following types of waves does it use for this purpose?

Infrasonic waves
Sound waves in audible range for human beings
Ultrasonic waves
All of the above

146 . Which one of the following statements about the speed of sound waves is not correct?

The speed of sound waves in steel is higher than that in water.
The speed of sound waves in air decreases with increase in temperature.
The speed of sound waves in air increases with increase in temperature.
The speed of sound waves in water is higher than that in air.

147 . The part of the human ear that converts the pressure variations associated with audible sound waves to electrical signals is

auditory nerve
cochlea
eardrum
eustachian tube

148 . Which one of the following metals is most commonly used for making filament of incandescent electric bulbs?

Aluminium
Silver
Copper
Tungsten

149 . A bullet of mass 10 g is horizontally fired with velocity 300 m s-¹ from a pistol of mass 1 kg. What is the recoil velocity of the pistol?

0.3 m s-¹
3 m s-¹
-3 m s-¹
-0.3 m s-¹

150 . A microphone converts

electrical signals to sound waves
sound waves to electrical signals
microwaves to sound waves
sound waves to microwaves

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