RRB-NTPC 2021 Mathematics
Practice subject-wise previous year questions
Question 1301
Arithmetic
What is the correct way to copy a file or folder using the Drag and Drop method?
A
Select the file → Press Ctrl + C → Drop it into the Recycle BinB
Select the file in the right pane → Drag it to a folder in the left pane → Drop it thereC
Right-click the file → Drag it to the desktop → Press DeleteD
Double-click the file → Drag it back into the same folderQuestion 1302
Arithmetic
Which institute of Indian Council of Agricultural Research (ICAR) developed India's first genome-edited rice variety DRR Rice 100 (Kamla)?
A
ICAR-Indian Institute of Rice Research, HyderabadB
ICAR-Indian Agricultural Research Institute, New DelhiC
ICAR-Central Institute of Agricultural Engineering, BhopalD
ICAR-National Rice Research Institute (NRRI), CuttackQuestion 1303
Arithmetic
Which of the following is the conjugate base of HCl?
A
$OH^-$B
$H_3O^+$C
$Cl^-$D
$Cl^+$Question 1304
Arithmetic
Land revenue systems under British rule varied regionally. Which land revenue system was primarily followed in Bombay and Madras Presidencies?
A
RyotwariB
MahalwariC
JagirdariD
ZamindariQuestion 1305
Arithmetic
Who was the first Portuguese governor in India, sent in 1505 to establish naval supremacy?
A
AlbuquerqueB
De Almeida C
De SouzaD
Nino-da-CunhaQuestion 1306
Arithmetic
Which of the following is NOT a part of chemical weathering?
A
Frost ActionB
HydrationC
OxidationD
CarbonationQuestion 1307
Arithmetic
In which of the following years was the Aajeevika - Deendayal Antyodaya Yojna-National Rural Livelihoods Mission (DAY-NRLM) launched by the Ministry of Rural Development (MoRD), Government of India?
A
2011B
2016C
2007D
2014Question 1308
Arithmetic
What was the ultimate promise made by Bhagirath Majhi to the Santhals if they followed his teachings?
A
Restoration of tribal kingdomsB
Access to modern education and jobsC
Complete independence from British ruleD
Land restoration and divine protectionQuestion 1309
Arithmetic
What is the purpose of the High Endurance Autonomous Underwater Vehicle (HEAUV) developed by DRDO's Naval Science and Technological Laboratory (NSTL)?
A
Underwater surveillanceB
Surface-to-air missile deploymentC
Submarine crew trainingD
Deep-sea oil explorationQuestion 1310
Arithmetic
Colonial economic policies created a skewed distribution of income and wealth in Indian society. Which of the following is a key indicator of income inequality in colonial India?
A
Unequal land ownership patternsB
High literacy rate among workersC
Uniform wages across sectorsD
Equitable distribution of irrigationQuestion 1311
Arithmetic
What is the total number of inhabited islands in the Andaman and Nicobar Islands, as of May 2021?
A
Less than 14B
22C
18D
More than 30Question 1312
Arithmetic
Which of the following dynasties was NOT involved in the struggle for the control of the prosperous city of Kannauj in northern India?
A
PratiharaB
PallavaC
PalaD
RashtrakutaQuestion 1313
Arithmetic
Optical fibres work on the principle of ________.
A
reflection onlyB
refraction onlyC
total internal reflectionD
total internal refractionQuestion 1314
Arithmetic
What is the main function of sclerenchyma, a plant tissue composed of dead cells with extremely thick lignified walls?
A
To help hold the flower parts together in a plantB
To provide mechanical support and strength to the plantC
To store food and other materials such as resins, mucilage and latex in the plantD
To transport water, nutrients and sugars throughout the plantQuestion 1315
Arithmetic
Where was the headquarters of the Home Rule League founded by Bal Gangadhar Tilak located?
A
AjmerB
PatnaC
SuratD
PuneQuestion 1316
Arithmetic
Which of the following terms describe a change in the DNA sequence resulting in changes in the genotype and the phenotype of an organism?
A
SegregationB
MutationC
DominanceD
TranscriptionQuestion 1317
Arithmetic
Who is the author of the book 'The History and Stars of the World's Greatest Sporting Event: From Athens 1896 to Paris 2024', launched at New Delhi World Book Fair, 2021?
A
Amit BoseB
Digvijay Singh Deo C
Vijayan BalaD
Abhinav BindraQuestion 1318
Arithmetic
The foreign exchange crisis forced India to seek external support. Which institution provided India a loan during the 1991 crisis?
A
World Bank B
IMF C
WTOD
ADBQuestion 1319
Arithmetic
In 2021, which State Government launched the 'RISE' app for digital monitoring of child vaccinations, enhancing training for health workers to improve immunisation coverage?
A
Uttar Pradesh B
BiharC
UttarakhandD
JharkhandQuestion 1320
Arithmetic
Which of the following is the primary objective of the Right to Information (RTI) Act, 2005?
A
To promote transparency and accountability in government functioningB
To regulate foreign investment in IndiaC
To control corruption in the judiciaryD
To ensure reservations for backwards classesQuestion 1321
Arithmetic
Rohilla chief, Najib-ud-Daula, played a key role in the ________.
A
Third Battle of PanipatB
Mysore warsC
Anglo-Maratha warsD
Decline of BengalQuestion 1322
Arithmetic
The partition of Bengal officially came into force in the year ________.
A
1905B
1948C
1919D
1912Question 1323
Arithmetic
Who was honoured with the Rammohan Mission Purashkar 2021 for emphasising ISRO's role in national security?
A
G Madhavan NairB
V NarayananC
K SivanD
S SomanathQuestion 1324
Arithmetic
Vijender Gupta, who became the Speaker of the Delhi Assembly in 2021, is the MLA from which of the following constituencies?
A
Karol BaghB
PatparganjC
Greater KailashD
RohiniQuestion 1325
Arithmetic
Which of the following statements is correct regarding the Tenth Schedule of the Indian Constitution?
A
It deals with the allocation of seats in the Rajya Sabha.B
It defines the distribution of powers between the Union and States.C
It contains provisions regarding Official Languages.D
It provides for disqualification of members on grounds of defection.