Which of the following is true about the magnetic field around a current carrying solenoid?
a.
The direction of magnetic field associated with the solenoid can be reversed by reversing the direction of current flowing through it.
Correct Answer
b.
The field line pattern of the solenoid resembles the magnetic field line pattern of a straight current carrying wire.
c.
The field in the core of the solenoid decreases from one end of the other end.
d.
The field associated with the solenoid can be increased by decreasing the number of turns in the solenoid.
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Q2mcq
A car’s odometer shows 3000 km at the beginning of a journey and 3200 km at the end. If the journey takes 4 hours, what is the car’s average speed?
a.
75 km/hr
b.
50 km/hr
Correct Answer
c.
100 km/hr
d.
25 km/hr
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Q3mcq
Which component is used in a circuit to increase resistance and limit current?
a.
Battery
b.
Lamp
c.
Resistor
Correct Answer
d.
Switch
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Q4mcq
How are the metals in the middle of the activity series usually extracted?
a.
By heating alone
b.
By reduction using carbon
Correct Answer
c.
By electrolysis
d.
By dissolving in water
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Q5mcq
A mass of 3 kg is lifted to a height of 12 m. What is the value of potential energy at the given height? (Take g = 10 m/s 2 )
a.
360.0 J
Correct Answer
b.
36.0 J
c.
3.0 J
d.
4.0 J Test Date 23/12/2025 Test Time 9:00 AM - 10:30 AM 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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Q14mcq
The number of protons in and , respectively, are:
a.
8 and 6
b.
6 and 6
Correct Answer
c.
6 and 8
d.
7 and 7
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Q15mcq
Which of the following is NOT explained by the law of gravitation?
a.
The electrostatic attraction between two charged bodies
Correct Answer
b.
Tides in oceans
c.
Artificial satellites revolving around the Earth
d.
Falling of raindrops to the Earth
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Q16mcq
Vinegar is a 5-8% solution of which of the following?
a.
Formic acid in water
b.
Sodium hydroxide in water
c.
Acetic acid in water
Correct Answer
d.
Calcium carbonate in water
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Q17mcq
Consider the following statements and select the correct option. Statement A: A neutralisation reaction occurs when an acid reacts with a base. Statement B: Water and salt are formed during neutralisation.
a.
Both statements A and B are incorrect.
b.
Both statements A and B are correct.
Correct Answer
c.
Statement A is correct but B is incorrect.
d.
Statement A is incorrect but B is correct.
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Q18mcq
Which of the following correctly distinguishes binary fission from multiple fission in unicellular organisms?
a.
Binary fission occurs only in multicellular organisms, while multiple fission occurs in unicellular ones.
b.
Binary fission results in many daughter cells, while multiple fission forms only two.
c.
Binary fission requires spores, but multiple fission does not.
d.
Binary fission produces two daughter cells, whereas multiple fission produces many daughter cells at once.
Correct Answer
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A motorist travels 30 km in 50 minutes. He drives at a speed of x km/hr for the first 12 minutes, then at 2x km/hr for the next 22 minutes and finally at x km/hr for the remainder of the journey. Determine the value of x.
a.
22
b.
25
c.
30
d.
28
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