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23/12/2025 (4:30 PM - 6:00 PM) — General Science

2025 · 40 questions · First 10 Solutions Free
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Q1 mcq
The Chipko Andolan refers to which of the following?
a.
Use of advanced technologies for reducing environmental pollution
b.
Active participation of local communities in protecting forests Correct Answer
c.
Government-sponsored environmental protection schemes
d.
Government-sponsored water harvest schemes

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Q2 mcq
Which of the following breeds of cows is resistant to diseases?
a.
Red Sindhi Correct Answer
b.
Brown Swiss
c.
Aseel
d.
Jersey

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Q3 mcq
Which of the following conditions is essential for rusting of iron?
a.
Only air
b.
Only water
c.
Both air and water Correct Answer
d.
Dry air only

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Q4 mcq
Formula unit mass is:
a.
the sum of the number of electrons of all atoms in a formula unit of a compound
b.
the sum of the atomic number of all atoms in a formula unit of a compound
c.
the sum of the number of protons of all atoms in a formula unit of a compound
d.
the sum of the atomic masses of all atoms in a formula unit of a compound Correct Answer

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Q5 mcq
In which of the following plants, seed is dispersed by the bursting of fruits?
a.
Xanthium
b.
Urena
c.
Castor Correct Answer
d.
Sunflower Test Date 23/12/2025 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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Q6 mcq
In a metallic wire obeying Ohm's Law, if the resistance remains constant, reducing the potential difference across its terminals to one-half of its former value will result in what change in the current flowing through it?
a.
The current remains constant.
b.
The current reduces to one-half of its former value. Correct Answer
c.
The current doubles.
d.
The current reduces to one-fourth of its former value.

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Q7 mcq
Which statement correctly defines the process of evaporation?
a.
It changes solids directly into vapors upon heating strongly
b.
It takes place only at the boiling temperature of a liquid
c.
It requires the liquid to freeze before changing to the gas form
d.
It changes a liquid to gas from the surface below boiling point Correct Answer

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Q8 mcq
How is the work done by a force calculated?
a.
Work = force ÷ displacement
b.
Work = force + displacement
c.
Work = force × displacement Correct Answer
d.
Work = displacement ÷ force

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Q9 mcq
Which of the following metals, according to the reactivity series, is the most reactive?
a.
Potassium Correct Answer
b.
Copper
c.
Zinc
d.
Iron

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Q10 mcq
What determines the sex of a child in humans?
a.
Mother’s ovum
b.
Father’s sperm Correct Answer
c.
Mitochondrial DNA
d.
Number of autosomes

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Q11 mcq
Which of the following statements is INCORRECT about regeneration?
a.
Regeneration involves specialised cells and requires cell division.
b.
Fragmentation occurs in simple multicellular organisms like Spirogyra.
c.
In complex animals, regeneration is limited to repair of tissues, not formation of a whole organism.
d.
Dogs can regrow lost body parts and form whole new individuals.
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Q12 mcq
An object is placed 10 cm from a concave lens of focal length 15 cm. Which statement about the image is correct?
a.
Image is real, inverted and smaller than the object.
b.
Image is virtual, erect and smaller than the object.
c.
Image is real, inverted and larger than the object.
d.
Image is virtual, erect and larger than the object.
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Q13 mcq
Two objects of mass 100 kg each are separated by a distance of 1 m. What will be the magnitude of the gravitational force between the two objects? (Take the value of G as 6.67 x 10 -11 Nm 2 /kg 2 )
a.
6.67 x 107 N
b.
6.67 x 109 N
c.
6.67 x 10-9 N
d.
6.67 x 10-7 N
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Q14 mcq
The blue colour of the sky appears due to:
a.
absorption of blue light by air molecules
b.
refraction of light by air molecules
c.
scattering of shorter wavelength of sunlight by air molecules
d.
reflection of light by air molecules
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Q15 mcq
Which of the following is NOT correct?
a.
In the electrical circuit, the direction of current is taken from the positive to the negative terminal.
b.
A bulb glows only in a closed circuit.
c.
In the electrical circuit, if the switch is open, no current flows.
d.
In the electrical circuit, the voltmeter is connected in series with the component.
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Q16 mcq
Which of the following best describes the function of nervous tissue?
a.
It protects internal organs from mechanical injury.
b.
It stores energy in the form of fat globules.
c.
It provides rigidity and strength to the body framework.
d.
It transmits information rapidly from one body part to another.
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Q17 mcq
Which of the following is classified as an element?
a.
Water
b.
Salt
c.
Air
d.
Copper
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Q18 mcq
Who first described the nucleus as a cell organelle in 1831?
a.
Rudolf Virchow
b.
Robert Hooke
c.
Robert Brown
d.
Anton van Leeuwenhoek
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Q19 mcq
Select the option that balances the following reaction. CaCO ₃ + x HCl → y CaCl ₂ + CO ₂ + z H ₂ O
a.
x=2, y=2, z=1
b.
x=1, y=1, z=2
c.
x=1, y=1, z=1
d.
x=2, y=1, z=1
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Q20 mcq
What is the function of plasma in human blood?
a.
It transports food, carbon dioxide and waste materials.
b.
It carries oxygen from lungs to all parts of the body.
c.
It maintains the oxygen-rich blood supply to tissues.
d.
It helps in clotting blood during injuries.
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Q21 mcq
The sign of acceleration depends on its direction relative to velocity. Which of the following is correct?
a.
Acceleration is positive if it is in the direction of velocity, and negative if it is opposite.
b.
Acceleration is always positive, irrespective of direction.
c.
Acceleration is positive if it is opposite to the direction of velocity.
d.
Acceleration is negative if it is in the direction of velocity.
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Q29 mcq
An agent sells a pan with a marked price of ₹6,420 at a discount of 30%. What is the selling price (in ₹) of the pan?
a.
4,935
b.
4,449
c.
4,494
d.
5,136
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Q30 mcq
The total cost of 10 mangoes and 13 apples is ₹134 and the cost of 4 apples is ₹13 less than that of 15 mangoes. Then find the price (in rupees) of a mango and an apple, respectively.
a.
2, 7
b.
4, 5.60
c.
3, 8
d.
3.50, 5
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Q31 mcq
In a test, B got 50 marks while A got 75 marks, out of 120 maximum marks. What percentage of A's marks was B's marks? (Round off your answer to two decimal places)
a.
62.50%
b.
150.33%
c.
120.73%
d.
66.67%
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Q32 mcq
If a solid sphere of radius 14 cm is moulded into 8 spherical solid balls of equal radius, then find the surface area of each ball.
a.
600 cm2
b.
598 cm2
c.
650 cm2
d.
616 cm2
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Q33 mcq
Given a + b + c = 15 and a 2 + b 2 + c 2 = 83, find ab + bc + ca.
a.
71
b.
25
c.
11
d.
20
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Q34 mcq
What is the least number which should be added to 539, so that the number obtained is exactly divisible by 10, 15 and 3?
a.
1
b.
2
c.
5
d.
3
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Q35 mcq
The amount on a sum of ₹2,000 at 5% per annum compound interest, compounded annually, in 2 years will be:
a.
₹2,205
b.
₹2,880
c.
₹2,886
d.
₹3,039
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Q43 mcq
A shopkeeper offers the following four schemes: A) Two successive discounts of 39% and 8% B) Buy 8, get 4 free C) A single discount of 16% D) Two successive discounts of 38% and 34% Which scheme is best for the shopkeeper?
a.
B
b.
A
c.
C
d.
D
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Q44 mcq
The average of 8 numbers is 121. If the first 7 numbers are 35, 35, 49, 83, 102, 80 and 20, then the eighth number is:
a.
564
b.
557
c.
566
d.
567
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Q45 mcq
The arithmetic mean of the observations 35, 53, 38, 89, 71, 69, 86, 40 and 41 is:
a.
65
b.
66
c.
60
d.
58
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Q46 mcq
The price of fuel decreases by 40%, 25% and 45% in three successive months, but increases by 55% in the fourth month. What is the percentage increase/decrease in the price of fuel in the fourth month as compared to its original price? (Round off your answer to two decimal places)
a.
Increases by 67.66%
b.
Decreases by 61.64%
c.
Decreases by 63.14%
d.
Increases by 64.75%
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Q47 mcq
a.
90
b.
10
c.
60
d.
30
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Q48 mcq
A park, in the shape of a quadrilateral ABCD, has ∠ C = 90°, AB = 36 m, BC = 42 m, CD = 40 m and AD = 36 m. What is the area (in m 2 , rounded off to 1 decimal place) of the park?
a.
1458.6
b.
1584.6
c.
1548.6
d.
1485.6
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Q49 mcq
In an election between two candidates, one candidate secured 42% of the votes and was defeated by the other candidate with a margin of 416 votes. If all the votes cast were valid, what was the total number of votes polled?
a.
2590
b.
2615
c.
2600
d.
2595
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Q50 mcq
Saloni's age is 7 years more than twice her sister Emma's age. If the sum of their ages is 25 years, how old is Emma?
a.
8 years
b.
6 years
c.
7 years
d.
5 years
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Q51 mcq
Z ranked 21 st from the top and 39 th from the bottom in his class. How many students are there in his class?
a.
57
b.
56
c.
60
d.
59
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Q52 mcq
Refer to the following number series and answer the question that follows (all numbers are single-digit numbers only). Counting to be done from left to right only. (Left) 8 6 1 3 4 1 8 9 6 8 8 6 5 7 1 9 6 9 8 1 7 8 3 8 3 3 8 (Right) How many such odd numbers are there, each of which is immediately preceded by an odd number and also immediately followed by an odd number?
a.
3
b.
2
c.
4
d.
1
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Q53 mcq
If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, then what will come in place of the question mark (?) in the following equation? (56 A 7) B 9 D (14 A 7) B 5 C 36 A 4 D 11 = ?
a.
79
b.
42
c.
60
d.
51
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Q54 mcq
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: No Fictions are Nonfictions. All Nonfictions are Poetries. Some Poetries are Dramas. Conclusions: (I): Some Fictions are Poetries. (II): Some Nonfictions are Dramas.
a.
Only conclusion (II) is true
b.
Neither conclusion (I) nor (II) is true
c.
Both conclusions (I) and (II) are true
d.
Only conclusion (I) is true
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