RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 1501
Arithmetic
Which of the following is not a function of biosphere reserves?
A
Cultural heritage preservationB
Promotion of monoculture farmingC
Sustainable development of local communitiesD
Conservation of biodiversityQuestion 1502
Arithmetic
Which sector was the largest contributor to India's GDP between 1947 and 1991?
A
Service sectorB
Agriculture sectorC
Industrial sectorD
Financial sectorQuestion 1503
Arithmetic
Which of the following is considered a non-renewable natural resource?
A
Wind energyB
ForestsC
Solar energyD
Natural gasQuestion 1504
Arithmetic
In which of the following years was Sanskrit declared a Classical Language in India?
A
2005B
2003C
2010D
2002Question 1505
Arithmetic
Which of the following cities hosted the 2021 Conferences of the Parties for the Basel, Rotterdam and Stockholm Conventions (BRS COPs)?
A
GenevaB
RotterdamC
StockholmD
Hong KongQuestion 1506
Arithmetic
The Banking Laws (Amendment) Bill passed in the Rajya Sabha in March 2021 extended the tenure of Directors of co-operative banks to how many years?
A
9 yearsB
6 yearsC
10 yearsD
8 yearsQuestion 1507
Arithmetic
Which of the following organisations unveiled the country's first five Carbon Capture and Utilisation (CCU) testbeds in the cement sector in May 2021?
A
Indian Space Research Organisation (ISRO)B
Department of Science and Technology (DST), Government of IndiaC
Union Ministry of Environment, Forest and Climate Change (MoEFCC)D
Defence Research and Development Organisation (DRDO)Question 1508
Arithmetic
The retreating monsoon causes rainfall mainly in ________.
A
AssamB
Tamil NaduC
MaharashtraD
PunjabQuestion 1509
Arithmetic
In an optical fibre, the core is made of a ________.
A
material with higher refractive indexB
material with lower refractive indexC
material with higher densityD
material with lower densityQuestion 1510
Arithmetic
Infrastructure development is essential for sustaining high growth and reducing regional disparities. Which of the following sectors is NOT typically included in the core infrastructure sectors in India?
A
CementB
TourismC
ElectricityD
Iron and SteelQuestion 1511
Arithmetic
In which of the following years was the town of Madrasapatnam, which later expanded and developed into modern-day Chennai, purchased by the East India Company (EIC) from local kings?
A
1639B
1690C
1620D
1658Question 1512
Arithmetic
Which of the following services is jointly controlled by both the Union and State Governments?
A
State Medical ServiceB
Indian Economic ServiceC
Central Engineering ServiceD
Indian Administrative ServiceQuestion 1513
Arithmetic
Which missile defence system, named Sudarshan Chakra, was used by India to intercept drones and missiles during Pakistan's attempted strikes in May 2021?
A
Prithvi Air DefenceB
AkashteerC
S-400 systemsD
Barak 8Question 1514
Arithmetic
Which copper-based alloy is a preferred material for making standard resistors because of its high resistivity and low temperature coefficient?
A
AlnicoB
ManganinC
TungstenD
BrassQuestion 1515
Arithmetic
At the time of independence, India's economy was predominantly:
A
service-basedB
agriculturalC
industrialD
trade-basedQuestion 1516
Arithmetic
Which pair of scientists first proposed the double-helix model for the structure of DNA?
A
Darwin and WallaceB
Mendel and AveryC
Watson and CrickD
Franklin and ChargaffQuestion 1517
Arithmetic
Which of the following is located in the west of the Deccan Plateau?
A
Mahadeo hillsB
Western GhatsC
Maikal rangeD
Eastern GhatsQuestion 1518
Arithmetic
What was the main focus of India's Second Five Year Plan with respect to the economy?
A
Heavy industrialisationB
Expansion of servicesC
Promotion of tourismD
Green revolutionQuestion 1519
Arithmetic
Which shortcut key combination allows you to quickly switch between open applications on a Windows computer?
A
Alt + TabB
Alt + F4C
Alt + DelD
Ctrl + TabQuestion 1520
Arithmetic
Who among the following is known for popularising Bharatanatyam on the global stage?
A
Mallika SarabhaiB
Sonal MansinghC
Hema MaliniD
Rukmini Devi ArundaleQuestion 1521
Arithmetic
Which of the following statements about succession in the Gupta dynasty is true?
A
Sons had to prove their eligibility before an assemblyB
The eldest son was always crowned Yuvraj at priorityC
Only the eldest son could become kingD
The ruler always declared himself divine to get the throneQuestion 1522
Arithmetic
Who piloted Vasco da Gama's ship to Calicut during his first successful voyage to India in 1498?
A
Francisco XavierB
ZamorinC
Abdul MajidD
De AlmeidaQuestion 1523
Arithmetic
The indigenous inhabitants of India who were hostile, dark skinned and did not follow the Vedic system are referred to in Vedic texts as:
A
DasyusB
DasasC
DravidasD
AryansQuestion 1524
Arithmetic
A small portion of the Singrauli Coalfield, which is located mainly in the Singrauli district of Madhya Pradesh, falls in which other State?
A
ChhattisgarhB
JharkhandC
Uttar PradeshD
OdishaQuestion 1525
Arithmetic
Which of the following countries does NOT share a land border with India?
A
AfghanistanB
BhutanC
ThailandD
Myanmar