WhatsApp Group (No. 249) Join Now
Telegram Group (86K Members) Join Now

Railway RRB Group D 2022 Science Practice Set 6: Mock Test Question Answer

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

RRB Group D 2022 Science Practice Set 6
RRB Group D 2022 Science Practice Set 6
Recruitment OrganizationRailway Recruitment Board (RRB)
Post NameGroup D (Level 1 Posts)
Advt No. CEN RRC 01/2019
No. of Vacancies103769
TopicFree RRB Group D Science Practice Set/ Mock Test
RRB Group D Previous Papers PDFClick Here

Q.1 If two unequal masses posses the same kinetic energy, then the heavier mass has?

  1. lower speed
  2. hhigher speed
  3. lesser momentum
  4. 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?

  1. Testosterone
  2. Thyroxin
  3. Insulin
  4. Animal hormone

Option (1)

Q.3 The breakdown of pyruvate using O2 takes in the ………. ?

  1. lysosomes
  2. mitochondria
  3. vacuoles
  4. nucleus

Option (2)

Q.4 A ray of light passes from water to glass. It bends?

  1. towards the normal and speeds up
  2. towads the normal and slows down
  3. away from the normal and speeds up
  4. away from the normal and slows down

Option (2)

Q.5 The correct formula of calcium hydroxide is?

  1. Ca(OH)2
  2. Ca2OH
  3. CaOH2
  4. CaOH

Option (1)

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?

  1. 2.00 units
  2. 12.00 units
  3. 1.50 units
  4. 0.96 units

Option (4)

Q.7 Who classified elements based on atomic numbers?

  1. Newlands
  2. Moseley
  3. Dobereiner
  4. Mendeleev

Option (2)

Q.8 In which group of the modern periodic table are halogens placed?

  1. 17th
  2. 1st
  3. 18th
  4. 16th

Option (1)

Q.9 A chemical reaction in which heat is generated is called a/an ……. ?

  1. Combustion reaction
  2. endothermic reaction
  3. displacement reaction
  4. exoterhmic reaction

Option (4)

Q.10 Electric bulbs are usually filled with chemically inactive gases like ……… ?

  1. chlorine
  2. oxygen
  3. nitrogen
  4. hydrogen

Option (3)

Q.11 Which of the following is NOT a simple permanent tissue?

  1. Xylem
  2. Sclerenchyma
  3. Parenchyma
  4. Collenchyma

Option (1)

Q.12 The pH of the solutions are given. Which of the solutions has the highest concentration of hydrogen ions?

  1. 4.7
  2. 2.4
  3. 10.1
  4. 8.0

Option (2)

Q.13 Which of the following is malleable and ductile?

  1. Phosphorus
  2. Sulphur
  3. Copper
  4. Carbon

Option (3)

Q.14 In which of the plants is the plant body NOT differentiated in to roots, stem and leaaves?

  1. Chara
  2. Spirogyra
  3. Marsilea
  4. Riccia

Option (2)

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

Option (1)

Q.16 Which of the following animals produces by budding and can also can carry out regeneration?

  1. Planaria
  2. Hydra
  3. Plasmodium
  4. Yeast

Option (2)

Q.17 An electric bulb having voltage 240 V and current 0.6 A has a power of …….. ?

  1. 144 W
  2. 400 W
  3. 40 W
  4. 14.4 W

Option (1)

Q.18 The gravitational force of attraction between a satellite and the earth gives rise to ……. ?

  1. Centripital force
  2. tension
  3. centrifugal force
  4. planar force

Option (1)

Q.19 An object is stationary then the force is still acting on it is?

  1. Acceleration
  2. Momentum
  3. Impulse
  4. Weight

No option is correct. Question deleted by RRB

Q.20 ……. acts as food store in a plant seeds?

  1. ovule
  2. radicle
  3. plumule
  4. cotyledons

Option (4)

Q.21 Bifocal lenses are used by people suffering from ……. ?

  1. Myopia and Hypermotropia
  2. Hypermetropia but not Myopia
  3. Myopia but not Hypermetropia
  4. Myopia or Hypermetropia

Option (1)

Q.22 …… does not belong to the class Annelida?

  1. Leech
  2. Ascaris
  3. Nereis
  4. Earthworm

Option (2)

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)?

  1. 6m
  2. 8m
  3. 7m
  4. 4m

Optoin (2)

Q.24 ……… is the commercial unit of energy?

  1. Joule
  2. Watt hour
  3. Kilowatt hour
  4. Kilowatt

Option (3)

Q.25 Clouds looking white in colour are due to the phenomenon of ……. ?

  1. Reflection of light
  2. Scattering of light
  3. Reflection of light
  4. Radiation

Option (2)

Click Here for All Practice Sets

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.

Leave a Comment