RRB Group D GS Practice Set 9 (MCQ)
RRB Group D General Science (GS) Practice Set 09 : 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 will be conducted from 17 August 2022 to 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 09
Question. The blood of some animals is blue because it contains-
Question. The bundle of His is found in—
- in muscles
- in the liver
- in the heart
- in the brain
Question. The blood of a person with blood group ‘A’ (Blood Group ‘A’) will be—
- Antigen ‘A’ and Antibody ‘a’
- Antigen A and Antibody ‘b’
- Antigen ‘B’ and Antibody ‘A’
- Antigen ‘A’ and Antibody ‘B’
Question. The amount of electron to the amount of hydrogen-
Question. fastening (pie fastening) a
- is electrically bonded
- Covalent bonding.
- is a solitary bond
- has metallic bonding
Question. The oxidation number of Mn in MnO4- is—
Question. If the momentum of an object is increased by 100%, then the percentage increase in kinetic energy will be
Question. The islands of Langer Hans are found in—
- in the spleen
- in the pancreas
- in the pituitary
- in the liver
Question. What is the name of the structural protein present in horn of a rhinoceros and in human hair?
- amino acids
- glyco lytic
Question. The radioactivity of neptunium stops when ……
- in Bi
- in Rn
- in th
- in Pb
Question. If two bulbs of 60W and 40W are connected in series, their combined power will be
Question. The gap between the valence band and the conductivity band in a non-conducting material is called-
- fermi band
- coordinating band
- band gap
- none of these
Question. The optical fibers are-
- transmission line
- wave director
- both transmittance and wave direction
- none of these
Question. The band width of video signals for transmission of sequences is
- 5.2 MHz
- 4.2 MHz
- 52 megahertz
- 42 Hz
Question. heavy water freezes
- at 0°C
- at -3°C
- at 5°C
- at 3.82°C
Question. working force between two protons inside the nucleus
- electrical only
- nuclear only
- none of these
Question. After four half-ages, the undissolved part of a radioactive substance will remain.
Question. Which of the following is the correct match?
- Down syndrome – 21st chromosome
- Sickle cell anemia – X chromosome
- Haemophilia – Y chromosome
- Parkinson’s disease – X and Y chromosomes
Question. The elements of the 17th group are called
- inert gases
- alkaline metals
- alkaline earth metals
Question. Name the enzyme in human body which helps in breaking down carbohydrates.
Question. The conductivity of a substance increases with increase in temperature, that substance is-
- metallic conductor
Question. What is the term GIGO associated with?
Question. Who coined the term ‘molecule’?
- J. J. thomson
- E. Rutherford
- John Dalton
Question. The biochemical nature of genes was told-
- H.B. Khurana has
- Jacob and Monad
- Hauji and Nirenberg
- Avery, McLeod and Mac Carty
Question. Which of the following metals is mainly used in mobile phone batteries?
- zinc zinc
- Copper (Copper)
What would be the correct answer to this question? Do give us your answer in the comment section.
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