RRB Group D GS Practice Set 20
RRB Group D General Science (GS) Practice Set 20 : Indian Railway Recruitment Board (RRB) has started the recruitment process for Group D posts. There is a provision to complete this examination in several phases, and the first phase examination has started which will be conducted till 25 August 2022. It is worth mentioning that now the candidate will have to give only one examination and on the basis of that the 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 20
Question. Find out the mismatch between the elements O, N, C, Cl, F.
Question. Which of the following elements belong to the same period as group 1A?
- Li, Mg, Ca
- Ni, Cu, Zn
- Li, Na, K
- Fe, Cl, Br
Question. – bond is formed by the overlapping of?
- on the internuclear axis of the ss orbitals
- As perpendicular to the axis of sp orbitals
- on the axis of the PP orbitals
- as perpendicular to the axes of pp orbitals
Question. The alpha rays emitted from a radioactive object are
- hydrogen nucleus
- negatively charged particles
- helium nucleus
Question. Which of the following has zero electron affinity in the periodic table?
Question. Aqueous solutions of cupric salts are-
- of yellow
- of green
- of red
- of blue
Question. On decreasing the pH value in the soil (up to 4) –
- fungi remain unaffected
- actinomycetes remain unaffected
- bacteria remain unaffected
- all of the above occur
Question. A net is equal to how many bits?
Question. The lower density of ice than water is due to
- induced dipole- induced dipole reciprocal
- dipole-induced dipole interaction
- reciprocation of hydrogen bond
- dipole-dipole interaction
- RRB Group D GS Practice Set 19
- RRB Group D GS Practice Set 18
- RRB Group D GS Practice Set 17
Question. The resistance of an electric bulb is 400Ω and a current of 0.25 A flows through it, then the power of that bulb will be
- 50 Watt
- 25 Watt
- 40 Watt
- 100 Watt
Question. Laser works on the following principle-
- excitation emission of radiation
- photoelectric effect
- Raman Effect
- All of the above
Question. A catalyst is used for—
- vaporizing the compound
- destroying enzymes
- changing the rate of a reaction
- to balance the reaction
Question. ……… is the study of the elements and behavior of human-like species such as monkeys, apes, orangutans etc.
Question. Which of the following is not a network protocol?
Question. The recently approved LIGO-India (LIGO-India) project is related to?
- Research on the use of solar energy
- Research on Laser Techniques
- research on gravitational waves
- Research on Relocation of Lions
Question. The resistance of mercury is zero-
- at 0°C
- at 100 K
- at 100°C
- at 4K
Question. Name the astronaut who spent 340 consecutive days in space and returned safely to Earth.
- Joseph A. walker
- Scott Joseph Kelly
- William H. Dana
- William J. knight
Question. The term TMV is related to—
- from origin
- from virus
- by organic evolution
- by virus reproduction
Question. Which of the following is autotrophic?
Question. The potential difference across the terminals of an electric heater is 600 when it receives a current of 4A from the source. If the potential difference increases to 127.5 V, what will be the current received by the heater?
Question. Trigger – poison is –
- homogeneous trigger
- self activator
- heterogeneous trigger
Question. The heat capacity of a substance depends on –
- at the temperature of the substance
- on the density of the substance
- on the specific heat of the substance
- on the structure of matter
Question. “Every matter has energy due to its mass” – Which scientist propounded this theory?
- Henry Bequerel
Question. The vertical lines in the periodic table are called
Question. What are multimedia components?
What would be the correct answer to this question? Do give us your answer in the comment section.
( डाउनलोड करे Govt Jobs Daily Job Alert Android App )
Download Our Android App – Click Here
|GovtJobsWorld.Com Home –||Click here|
Join Our Telegram Group – Click Here
Join Our Telegram Group and Download Our App
DISCLAIMER: GovtJobsWorld.Com does not have any connection with the Government and it does not represent any Government entity. No claim is made about the accuracy or validity of the content on this site, or its suitability for any specific purpose whatsoever whether express or implied. Since all readers who access any information on this web site are doing so voluntarily, and of their own accord, any outcome (decision or claim) of such access. All the Readers please also check details on the Original website before taking any decision. Here we are not responsible for any Inadvertent Error that may have crept in the information being published in this Website and for any loss to anybody or anything caused by any Shortcoming, Defect or Inaccuracy of the Information on this Application.