# RRB Group D GS Practice Set 45

RRB Group D General Science Practice Set 45 : RRB Group D exam has started from 19th August, in which the first and second stage examination has been completed, now the third stage exam has started, which will run from 8th September to 19th September. So the candidates who have to appear in the next shift examinations should speed up their preparation.

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. Make sure to practice these questions before going to the exam. RRB Group D General Science Practice Set 45

## RRB Group D General Science Practice Set 45

Question. If the parents have blood groups ‘A’ and ‘AB’, then which of the following blood groups is impossible to be the blood group of a newborn baby?

• ‘O’ blood group
• ‘AB’ blood group
• ‘A’ blood group
• ‘B’ blood group

Question. Relative humidity is measured in

• by hygrometer
• by hydrometer
• from potentiometer
• by lactometer

Question. If a person whose weight is 60 Newton on Earth, his weight is about 10 Newton on the Moon, then what will be his weight in space?

• zero N
• 35N
• 54N
• 70 N

Question. heavy water is made in india

Question. What is the ‘docx’ file made from?

• power point
• paint
• word processors

Question. The root mean velocity of a molecule of a gas at constant temperature is directly proportional to

Question. If 100 grams of sugar is mixed with half a liter of water to prepare an unsaturated ‘sugar solution’, which of the following physical quantities will not change?

• Mass
• density
• concentration
• volume

Question. Which of the following forces is responsible for the flow of water in rivers?

• force of friction
• gravitational force
• electrostatic force
• magnetic force

Question. Super cooling refers to the cooling of the liquid at which point?

• at freezing point
• at melting point
• below freezing point
• above melting point

1. RRB Group D GS Practice Set 44
2. RRB Group D GS Practice Set 43
3. RRB Group D GS Practice Set 42

Question. Which of the following is the largest part of the brain?

• cerebellum
• cerebrum
• pons
• thalamus

Question. What will be the weight of a person at a height of 2R from the center of the earth? (where R is the radius of the earth)

• will be there
• will be half.
• will double
• becomes a quarter.

Question. What is Vivipara?

• give birth to a living being
• type of cactus
• type of algae
• a mollusk

Question. Glycol is used in the manufacture of

• nylon
• artificial silk
• terylene
• rubber

Question. What is meant by AQI?

• Airport Quality Index
• Air Quality Index
• Army Quality Index
• Air Quality Impact

Question. Thrombin is important for which of the following physiological processes in the human body?

• digestion
• blood clotting
• respiration
• excreta

Question. Find the power of a convex lens, if the image is formed at a distance of 16 cm from the lens, when the object is placed at a distance of 20 cm from the optical center on the other side of the lens?

• -3.75 diopters
• -11.25 diopters
• 3.75 diopters
• 11.25 diopters

Question. What is Mascot of Linux Operating System?

• Bear
• penguin
• Lion
• whale

Question. What is the fuel of a nuclear reactor?

• Thorium
• sodium
• uranium
• petroleum

Question. If a bomb is detonated on the Moon, after how long will its sound be heard on Earth?

• 20 minutes
• 2 hours 20 minutes
• 3.7 hours
• you can’t hear the sound of the explosion

Question. The SI unit of sound intensity is

• watt per sqm
• newton per square meter
• joules per sqm
• Tesla per square meter

Question. What is the unit of the physical quantity ‘capacitance’?

• weber
• Tesla
• Om

Question. If the electrical resistance is to be reduced, how should the number of resistors be added?

• in parallel
• In Mala (series)
• in mixed order
• none of these

Question. The coating of the following metal on iron is called galvanization-

Question. In AB blood group-

• antigens do not live
• Antibodies do not live
• Neither antigen nor antibody are found
• Both antigen and antibody are found

Question. What is the instrument used to measure the intensity of light called?

• lucimeter
• cryometer
• barometer
• cyanometer

What would be the correct answer to this question? Do give us your answer in the comment section.

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