Top-20 Science and Technology Questions for RRB-NTPC
Latest and most Important Science and Technology Questions to crack RRB NTPC Exam. Download the PDF and go through the video explanations of most important Science and Technology Questions and practice them by downloading the PDF provided below.
Take a free mock test for RRB NTPC
Download RRB NTPC Previous Papers PDF
Read this Post in Telugu
Question 1: Which of the following planet is also called as Red-Planet?
Question 2: Who discovered the Neutron particle in an atom?
a) Niels Bohr
b) James Chadwick
c) J. J. Thomson
d) Ernest Rutherford
Question 3: Which of the following gases is used for ripening the fruits ?
Question 4: Light-Year measures which of the following ?
a) Intensity of light
Question 5: Where is the Central Food Technology Research Institute situated?
Question 6: Which of the following disease is caused by the bite of a mad dog?
d) None of the above
Question 7: In the grass lands, trees do not replace the grasses as a part of an ecological succession because of
a) Limited sun light and paucity of nutrients
b) None of the options
c) Insect and fungi
d) Water limits and fire
Question 8: Spring tides occur on
a) New moon day only
b) Full moon day as well as on new moon day
c) Full moon day only
d) The day when the moon’s position is in its first quarter
Question 9: How fast do raindrops fall to the ground?
a) 1 to 2 metres per second
b) 10 to 12 metres per second
c) 3 to 8 metres per second
d) 15 to 20 metres per second
Question 10: The total energy of an electron inside an atom is
c) more than zero
d) less than zero
Question 11: A person can jump higher on the moon’s surface than on the earth because :
a) the moon’s surface is rough
b) the acceleration due to gravity in moon is smaller than that on the earth.
c) the moon is cooler than earth
d) the moon has no atmosphere
Question 12: Which of the following planets has the highest number of natural satellites?
Question 13: In a Database Management System (DBMS), the content and the location of the data is defined by the .
a) Multi Dimensional data
b) Sequence data
c) Meta data
d) Sub data
Question 14: The outer protective layer of a tree is
a) cambium layer
Question 15: Which of these planets has no atmosphere at all?
Question 16: Which vein brings clean blood from the lungs into the heart ?
a) Renal Vein
b) Pulmonary Vein
c) Vena Cava
d) Hepatic Vein
Question 17: ______ is a strip of flexible plastic with magnetic coating which can be used to record sound and pictures.
a) Magnetic flux
b) Magnetic Tape
c) Magnetic field
d) Magnetic strip
Question 18: The metal used for making air-crafts and rockets is
Question 19: Optical fibre works on the principle of
d) total internal reflection
Question 20: Which of the following is not a noble gas ?
Answers & Solutions:
1) Answer (B)
2) Answer (B)
3) Answer (C)
4) Answer (D)
5) Answer (D)
6) Answer (C)
7) Answer (D)
8) Answer (B)
9) Answer (C)
10) Answer (D)
11) Answer (B)
12) Answer (C)
13) Answer (C)
14) Answer (C)
15) Answer (A)
16) Answer (B)
17) Answer (B)
magnetic tape is used in recording sound, pictures, or computer data.
18) Answer (C)
19) Answer (D)
20) Answer (A)
We hope this Questions on Important Science and Technology Questions PDF for RRB NTPC Exam will be highly useful for your Preparation.