RRB NTPC 2021-05-03-2021-1 RRB Question Paper

RRB NTPC 2021 - Graduate Level and Undergraduate Level Question Papers

RRB NTPC 2021-05-03-2021-1 RRB Questions

21.
What is meant by dental caries?
A.
Sticking of food particles to the tooth
B.
Tooth decay
C.
Inflammation of the tooth
D.
Whitening of the tooth
ANSWER :
B. Tooth decay
22.

The value of \(\sqrt{142884}\) is:

A.

358

B.

388

C.

368

D.

378

ANSWER :

D. 378

23.
Who is the Chief of Naval Staff as of December 2020?
A.
Admiral Robin K Dhowan
B.
Admiral Nirmal Kumar Verma
C.
Admiral Devendra Kumar Joshi
D.
Admiral Karambir Singh
ANSWER :
D. Admiral Karambir Singh
24.
Electrostatic precipitators are used to control:
A.
noise pollution
B.
water pollution
C.
air pollution
D.
visual pollution
ANSWER :
C. air pollution
25.
Who was appointed as the Defence Minister of India in May 2019?
A.
Ravi Shankar Prasad
B.
Rajnath Singh
C.
Narendra Singh Tomar
D.
Harsimrat Kaur Badal
ANSWER :
B. Rajnath Singh
26.
Organisms that can make food themselves from simple substances are called:
A.
heterotrophs
B.
autotrophs
C.
saprotrophs
D.
holozoic organisms
ANSWER :
B. autotrophs
27.
Raw material and money in hand for production are classified under:
A.
human capital
B.
fixed capital
C.
working capital
D.
physical capital
ANSWER :
C. working capital
28.
'A set of norms and guidelines to be followed by political parties and contesting candidates during election time' is called:
A.
code of conduct
B.
incumbent
C.
level playing field
D.
rigging
ANSWER :
A. code of conduct
29.

Select the number that can replace the question mark (?) in the following equation.
\(47^{7.5}\div47^{\frac{2}{5}}\times47^{-3}=(\sqrt{47})^{\,?}\)?

A.

6

B.

4

C.

5

D.

ANSWER :

A. 6

30.
Which period is known as the 'Golden Revolution' in India?
A.
1990-2001
B.
1991-2003
C.
1991-2002
D.
1991-2001
ANSWER :
B. 1991-2003