Railway RRB Group D 2022 Science Practice Set 6: Railways has declared the exam date of Group D, which will start from 23rd February 2022 and will continue for about 2 months. 25 questions are asked from Science subject in Railway Group D paper. Which plays a very important role in selection in Railway Group D. Here we have given the questions asked by the Railway Group D Previous Papers in the form of question and answer format from Science in the previous examinations. Hope this free RRB Group D Science Questions Series will prove helpful in your selection.
Railway RRB Group D 2022 Science Practice Set 6: Mock Test Question Answer
|Recruitment Organization||Railway Recruitment Board (RRB)|
|Post Name||Group D (Level 1 Posts)|
|Advt No.||CEN RRC 01/2019|
|No. of Vacancies||103769|
|Topic||Free RRB Group D Science Practice Set/ Mock Test|
|RRB Group D Previous Papers PDF||Click Here|
Q.1 If two unequal masses posses the same kinetic energy, then the heavier mass has?
- lower speed
- hhigher speed
- lesser momentum
- greater momentum
No Option is correct. RRB Deleted this question
Q.2 Which of the following hormones brings about change in appearance seem in boys at the time of puberty?
- Animal hormone
Q.3 The breakdown of pyruvate using O2 takes in the ………. ?
Q.4 A ray of light passes from water to glass. It bends?
- towards the normal and speeds up
- towads the normal and slows down
- away from the normal and speeds up
- away from the normal and slows down
Q.5 The correct formula of calcium hydroxide is?
Q.6 An electric lamp of 120W is used for 8 hours per day. Calculate the units of energy consumed by the lamp in one day?
- 2.00 units
- 12.00 units
- 1.50 units
- 0.96 units
Q.7 Who classified elements based on atomic numbers?
Q.8 In which group of the modern periodic table are halogens placed?
Q.9 A chemical reaction in which heat is generated is called a/an ……. ?
- Combustion reaction
- endothermic reaction
- displacement reaction
- exoterhmic reaction
Q.10 Electric bulbs are usually filled with chemically inactive gases like ……… ?
Q.11 Which of the following is NOT a simple permanent tissue?
Q.12 The pH of the solutions are given. Which of the solutions has the highest concentration of hydrogen ions?
Q.13 Which of the following is malleable and ductile?
Q.14 In which of the plants is the plant body NOT differentiated in to roots, stem and leaaves?
Q.15 The point where entire weight of an object acts is known as the …….. ?
- centre of gravity
- centre of friction
- centre of mass
- centre of pressure
Q.16 Which of the following animals produces by budding and can also can carry out regeneration?
Q.17 An electric bulb having voltage 240 V and current 0.6 A has a power of …….. ?
- 144 W
- 400 W
- 40 W
- 14.4 W
Q.18 The gravitational force of attraction between a satellite and the earth gives rise to ……. ?
- Centripital force
- centrifugal force
- planar force
Q.19 An object is stationary then the force is still acting on it is?
No option is correct. Question deleted by RRB
Q.20 ……. acts as food store in a plant seeds?
Q.21 Bifocal lenses are used by people suffering from ……. ?
- Myopia and Hypermotropia
- Hypermetropia but not Myopia
- Myopia but not Hypermetropia
- Myopia or Hypermetropia
Q.22 …… does not belong to the class Annelida?
Q.23 An object of mass 6kg and having a potential energy of 480 J is placed at a height. Find the height of the object w.r.t. the ground. (g=10m/s)?
Q.24 ……… is the commercial unit of energy?
- Watt hour
- Kilowatt hour
Q.25 Clouds looking white in colour are due to the phenomenon of ……. ?
- Reflection of light
- Scattering of light
- Reflection of light
Hello Students, Hope this series of RRB Group D Science Questions will help you in your preparation. Comment your Score, Query, Suggestions in the comment box below.