Collection of 25 important questions asked in past exams, must see

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Aug 2

RRB Group D General Science (GS) Practice Set 02 : Indian Railway Recruitment Board (RRB) has started the recruitment process for Group D posts, this exam will be conducted from August 17, 2022 and there is a provision to complete this exam in several phases, it is worth mentioning that now the candidate will have to give only one exam and On the basis of that candidates will be selected and the vacant posts will be filled.

In such a situation, 25 important questions and answers of General Science related to Group D exam have been included in front of you through this article. Practice these questions before going to the exam and strengthen your preparation.

RRB Group D General Science (GS) Practice Set 02

Question. Which of the following minerals is essential for the contraction of muscles in the human body?

calcium
iron
sodium
all of the above

Answer: 4

Question. Which of the following are the exact symptoms of a heart attack?

profuse sweating
Nausea
severe chest pain
All of the above

Answer: 4

Question. substance found in more than 80% of cells

fat
protein
minerals
water

Answer: 4

Question. 'Genes' are made

from lipoproteins
from histones
from hydrocarbons
polynucleotide

Answer: 4

Question. How much CO2 will be obtained from the thermal dissolution of 50 grams of CaCO3 at STP?

44.0 liters
1.0 liter
22.4 liters
11.2 liters

Answer: 4

Question. The centers of "satiety" and thirst are located in which of the following parts of the human brain?

in the hypothalamus
in the forebrain
in the medulla
in the optic lobe

Answer 1

Question. Urea is synthesized in the human body

in the liver
in the kidney
in the bladder
in the spleen

Answer 1

Question. When the source of sound travels at a speed greater than that of sound, shock waves are produced in the air. What is the very loud and loud sound produced by these shock waves called?

Normal sound
Infra sonic
Sonic Boom
Sonic thunder

Answer: 3

Question. Which one of the following is not manufactured in our body?

protein
Vitamin A
Enzyme
hormones

Answer: 2

Question. The oxidation number of ozone (O3) is—

Answer: 4

Question. Which of the following vitamins is called Ergocalciferol?

Vitamin D3
Vitamin D2
Vitamin B2
Vitamin B6

Answer: 2

Question. A substance which increases the rate of reaction without taking part in the reaction is called

Inhibitor
Reactant
Catalyst
Product

Answer: 3

Question. Recently, TRAI has come up with which possible notification?

noroaming charge pan india
pan india mobile number portability
both 1 and 2
none of these

Answer: 2

Question. The diameter of white blood cells (WBC) in humans is approximately

0.7mm
0.007mm
0.07mm
0.0007 mm

Answer: 2

Question. Which of the following is not correctly matched?

Vitamin B1 – Beri-Beri
Vitamin A―Blindness
Vitamin C – Scurvy
Vitamin D – Impotence

Answer: 4

Question. The specific test to test for Tuberculosis (TB) is-

Vidal test
Robert Test
ELISA test
Montex Test

Answer: 4

Question. The following are the shapes of four metallic conductors:
A. sphere
B. cylinder
C. Pear shape
D. lightning conductor
If they are charged by placing them on a non-conducting base, which one will remain charged for a longer period of time?

Answer 1

Question. How many types of recipients are there in an e-mail system?

four
One
Two
three

Answer: 4

Question. Which of the following scientist has said- "Electricity can be generated by chemical change"?

galvani
faraday
coulomb
thomson

Answer 1

Question. On what principle is the thermoelectric pair based?

Seebeck Effect
peltier effect
Thomson Effect
joule effect

Answer 1

Question. An electron moves along the X-axis and the electric field is in the direction of the Y-axis, then the path of the electron will be

circular
Big circle
parabolic
none of these

Answer: 3

Question. The electric potential energy of the system on moving one electron to another electron

happens
increases
stays the same
goes to zero

Answer: 2

Question. The material of the fuse must be

High specific resistance and high melting point
Low Specific Resistance and Low Melting Point
High specific resistance and low melting point
Low Specific Resistance and Low Melting Point

Answer: 3

Question. It is an element belonging to the 16th group of the periodic table, which is used in the manufacture of vulcanized rubber. This element reacts with hot and concentrated HNO3 to form sulfuric acid. Which element is this?