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Railway RRB Group D 2022 Science Practice Set 1: Attempt Now and Check Your Preparation

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Railway RRB Group D 2022 Science Practice Set 1: 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 1: Attempt Now and Check Your Preparation

RRB Group D Science Practice Set 1
RRB Group D Science Practice Set 1
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 Which one of the following has only magnitude and no direction?

  1. Velocity
  2. Force
  3. Work
  4. Momentum

Work

Q.2 Which of these is not an alkaline earth metal?

  1. Magnesium
  2. Beryllium
  3. Potassium
  4. Calcium

Potassium

Q.3 The chimical formula of plaster of paris is?

  1. MgSO4.7H2O
  2. CaSO4.2H2O
  3. CaSO4.1/2 H2O
  4. FeSO4.7H2O

CaSO4.1/2 H2O

Q.4 Involuntary actions including blood pressure, salivation and vomiting are controled by the?

  1. Spinal Cord
  2. Pons
  3. Cerebellum
  4. Medulla

Medulla

Q.5 Which of the following hormones is secreted by the pituitary to start the ovulation process?

  1. Luteinising hormone
  2. Thyroid
  3. Progesterone
  4. Oestrogen

Luteinising hormone

Q.6 A source produces 10 crests and 10 troughs in 0.1 second. What is the frequency of the wave produced?

  1. 108 Hz
  2. 150 Hz
  3. 100 Hz
  4. 120 Hz

100 Hz

Q.7 Lemon Juice has a pH of?

  1. 8
  2. 2
  3. 12
  4. 6

2

Q.8 5.4 kwh=?

  1. 14.4 × 108 J
  2. 14.0 × 106 J
  3. 14.4 × 106 J
  4. 19.44 × 106 J

Option (4)

Q.9 Human inslulin is being commercially produced from a transgenic species of?

  1. Mycobacterium
  2. Rhizobium
  3. Saccharomyces
  4. Escherichia

Escherichia

Q.10 A crucible used in laboratories to heat solids at a high temperature is made of?

  1. Graphite
  2. Copper
  3. Aluminium
  4. Silicon

Silicon

Q.11 Name the Gropu and Perid of Modern Periodic Table in which Carbon is placed?

  1. Third period and thirteenth group
  2. Second period and fourteenth group
  3. Fifth period and Fifteenth group
  4. Seventh period and fourteenth group

Second period and fourteenth group

Q.12 Which of the following is not true about Non-Metals?

  1. They are non Malleable and ductile
  2. Non metals are sonorous
  3. They are poor conductor of heat and electricity
  4. Solid non-metals are soft and dull

No Option is Correct. Question was deleted by RRB

Q.13 It is the product of power and time; its unit is W-s and KWH. What is it called?

  1. Power
  2. Potential Energy
  3. Electric Conductivity
  4. Electrical Energy

Electrical Energy

Q.14 …………….. is the change in velocity per unit time?

  1. Acceleration
  2. Momentum
  3. Force
  4. Inertia

Acceleration

Q.15 Which of the following plants belongs to the category of Pteridophyta?

  1. Chara
  2. Ulothrix
  3. Cladophora
  4. Marsilea

Marsilea

Q.16 The molecular mass of nitrogen is 28. Its atomic mass is 14. The atomicity of nitrogen is?

  1. 2
  2. 28
  3. 1
  4. 14

2

Q.17 Which elements combine to form Ammonia?

  1. Hydrogen and Nitrogen
  2. Hydrogen, Oxygen, and Nitrogen
  3. Hydrogen, Chlorine, and Nitrogen
  4. Hydrogen and Oxygen

Hydrogen and Nitrogen

Q.18 Which elements combine to form Ammonia?

  1. Hydrogen and Nitrogen
  2. Hydrogen, Oxygen, and Nitrogen
  3. Hydrogen, Chlorine, and Nitrogen
  4. Hydrogen and Oxygen

Hydrogen and Nitrogen

Q.19 A 10 Ω resistance wire is doubled on it. Calculate the new resistance of the wire?

  1. 2.25 Ω
  2. 2.5 Ω
  3. 1.25 Ω
  4. 1.00 Ω

2.5 Ω

Q.20 Which of the following combines with O2 in our body to provide energy?

  1. Amino Acids
  2. Glucose
  3. Fatty Acids
  4. Glycogen

Glucose

Q.21 When the angle between the force and the displacement is 90 degree, the work done is?

  1. Neutral
  2. Negative
  3. Zero (no work is done)
  4. Positive

Zero (no work is done)

Q.22 Which of the following examples illustrates Newton’s First Law of Motion?

  1. When we stop pedaling the bicycle begins to slow down
  2. When a bus starts suddenly, the passangers receive a backward jerk
  3. Launching of the rocket
  4. While catching a fast moving cricket ball, the fielder gradually pulls his hands backwords with the moving ball

When a bus starts suddenly, the passangers receive a backward jerk

Q.23 The bonds formed by the elements having larger atoms are?

  1. very strong
  2. very week
  3. weaker
  4. stronger

very week

Q.24 Which of the following will not diffuse?

  1. Powdered fenugreek
  2. Vapour of scent
  3. The smoke of an incense stick
  4. Smoke

Powdered fenugreek

Q.25 Which of the following statements is/ are true/ false?

A. An acid that is completely ionized into ions and produces a large number of H+ ions. For example HCL, H2So4, NHO2

B. An acid that is partially ionized in water and produces less number of H+ ions. For Example CH2COOH, H2CO3, H2SO4

  1. Only A is true
  2. Both A and B are true
  3. Both A and B are false
  4. Only B is true

Only B is true

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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.

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