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RRB · General Science

16/12/2025 (4:30 PM - 6:00 PM) — General Science

2025 · 27 questions · First 10 Solutions Free
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Q1 mcq
What happens to a stone tied to a string and moving in a circular path when the string is suddenly released?
a.
It changes direction and moves in a zig-zag path
b.
It continues moving in the direction it was heading at the moment of release Correct Answer
c.
It stops immediately
d.
It returns to its starting point

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Q2 mcq
What is the primary reason ores are enriched prior to the extraction of metals?
a.
To alter the internal crystal structure of the ore for conversion
b.
To improve the final metal's resistance to corrosion and rust
c.
To enhance the melting point of the mineral content for refining
d.
To eliminate earthy impurities such as sand and unwanted rock Correct Answer

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Q3 mcq
A battery of 12 V is connected in series with resistors of 1 Ω, 2 Ω, 3 Ω, 4 Ω and 10 Ω, respectively. How much current would flow through the 10 Ω resistor?
a.
1.0 A
b.
0.6 A Correct Answer
c.
1.2 A
d.
12 A

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Q4 mcq
Read the given statements and select the most appropriate option. Statements: A: Coal and petroleum were formed from the degradation of bio-mass. B: They are exhaustible resources.
a.
Neither statement A nor B is correct
b.
Both statements A and B are correct Correct Answer
c.
Only statement A is correct
d.
Only statement B is correct Test Date 16/12/2025 Test Time 4:30 PM - 6:00 PM Subject RRB Level 01 Stage I * Note Correct Answer will carry 1 mark per Question. Incorrect Answer will carry 1/3 Negative mark per Question. 1. Options shown in green color with a tick icon are correct. 2. Chosen option on the right of the question indicates the option selected by the candidate.

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Q5 mcq
A wooden block has a mass of 6 kg and its size is 40 cm × 30 cm × 20 cm. It is placed on a table resting on its 30 cm × 20 cm side. If g = 10 m/s 2 , what is the pressure it puts on the table?
a.
200 Pa
b.
1000 Pa Correct Answer
c.
100 Pa
d.
300 Pa

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Q6 mcq
Which of the following plants can have buds in the margins of leaves?
a.
Neem
b.
Mango
c.
Peepal
d.
Bryophyllum Correct Answer

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Q7 mcq
How many grams of sodium carbonate are produced when 112 g of sodium hydroxide reacts with 44 g of carbon dioxide, resulting in 18 g of water?
a.
138 g Correct Answer
b.
141 g
c.
143 g
d.
132 g

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Q8 mcq
Which of the following is an example of a combination reaction?
a.
CuSO ₄ + BaCl ₂ → BaSO ₄ + CuCl ₂
b.
CaO + H ₂ O → Ca(OH) ₂ Correct Answer
c.
2KClO ₃ → 2KCl + 3O ₂
d.
Zn + H ₂ SO ₄ → ZnSO ₄ + H ₂

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Q9 mcq
A car moves with uniform speed along a straight road. Its distance–time graph is:
a.
a straight line parallel to the time-axis
b.
a curve concave downwards
c.
a straight line inclined to the time-axis Correct Answer
d.
a curve concave upwards

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Q10 mcq
The thalamus (receptacle) in flowers performs which of the following functions?
a.
Forms the ovules.
b.
Produces nectar.
c.
Supports flower parts and can become part of the fruit. Correct Answer
d.
Produces pollen grains.

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Q11 mcq
The potential energy acquired by a balloon when we press it (changing its shape), or by a spring inside a toy car when wound, is possessed by virtue of the object's ____________.
a.
mass and volume
b.
constant speed
c.
acceleration rate
d.
configuration
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Q12 mcq
In which of the following parts of the human body do the epithelial cells have cilia?
a.
Stomach wall
b.
Food pipe
c.
Respiratory tract
d.
Buccal cavity
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Q13 mcq
Which of the following rules can be used to determine the direction of magnetic field due to a current carrying circular loop?
a.
Flemming’s Right Hand Rule
b.
Maxwell’s Left Hand Rule
c.
Right Hand Thumb Rule
d.
Flemming’s Left Hand Rule
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Q14 mcq
A biologist cuts a hydra into two unequal parts. One part has a fully formed bud. What is most likely to happen to the bud?
a.
The bud will mature into a new hydra
b.
The hydra will not survive
c.
The bud will turn into a spore
d.
The bud will die instantly
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Q15 mcq
Which of the following statements correctly describes image formation by a convex mirror?
a.
When the object is at a finite distance, the image is formed between the pole and focus, virtual and diminished.
b.
When the object is at a finite distance, the image is formed beyond the centre of curvature, real and enlarged.
c.
When the object is at infinity, the image is formed at the focus, real and inverted.
d.
When the object is at infinity, the image is formed at the pole and is real and inverted.
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Q16 mcq
Which of the following is a converging lens?
a.
Concave lens
b.
Convex lens
c.
Planoconcave lens
d.
Cylindrical lens
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Q17 mcq
The reaction between CaO and H 2 O is highly exothermic and produces Ca(OH) 2 . This is an example of:
a.
Rearrangement reaction
b.
Double displacement reaction
c.
Combination reaction
d.
Displacement reaction
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Q18 mcq
Each succeeding member of the homologous series of alkane differs from the previous one by a unit that consists of:
a.
one carbon and three hydrogens
b.
two carbon and two hydrogens
c.
one carbon and two hydrogens
d.
two carbon and three hydrogens
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Q19 mcq
If the frequency of a sound wave increases but its speed remains constant, then its wavelength will:
a.
Remain the same
b.
Become zero
c.
Decrease
d.
Increase
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Q20 mcq
What makes cartilage more flexible than bone in the human body?
a.
It joins muscles to bones.
b.
It contains a solid, protein-rich matrix.
c.
It contains a matrix filled with fat.
d.
It contains a fluid-like matrix.
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Q21 mcq
Which component(s) of blood is/are mainly responsible for transporting food, carbon dioxide and nitrogenous wastes?
a.
Red blood corpuscles
b.
Plasma
c.
White blood cells
d.
Platelets
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Q22 mcq
Which particle did JJ Thomson discover?
a.
Neutron
b.
Nucleus
c.
Proton
d.
Electron
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Q23 mcq
When an acid reacts with a base, which of the following is/are always formed, regardless of the specific acid or base used?
a.
Salt and water
b.
Oxygen
c.
Hydrogen gas
d.
Carbon dioxide
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Q24 mcq
What is the primary function of the dendrites in a neuron?
a.
To form a synapse
b.
To transmit signals from the axon to the cell body
c.
To protect the neuron
d.
To create an electrical impulse
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Q25 mcq
Which of the following activities best demonstrates that there is a force of attraction between particles of matter?
a.
Heating ice to form water
b.
Dissolving sugar in water
c.
Breaking a chalk stick
d.
Compressing a sponge
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Q26 mcq
The area of a right-angled triangle is three-fourths of the area of a rhombus, whose one diagonal is 48 cm long. The sides containing the right angle of the triangle are 36 cm and 64 cm. Find the perimeter of the rhombus.
a.
140 cm
b.
184 cm
c.
160 cm
d.
152 cm
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Q27 mcq
a.
₹13,440
b.
₹13,100
c.
₹13,340
d.
₹12,600
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