Plastids have their own __________ and __________, similar to mitochondria.
a.
nucleus; chromosomes
b.
DNA; ribosomes
Correct Answer
c.
vesicles; proteins
d.
enzymes; vacuoles
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Q2mcq
An object has a mass of 11 kg and is placed at a height above the ground. If its potential energy is 440 J and g = 10 m/s 2 , what is the height?
a.
8 m
b.
48,400 m
c.
2 m
d.
4 m
Correct Answer
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Q3mcq
Which of the following combination reactions is an example of exothermic reaction?
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Q4mcq
What happens to the sound when the source vibrates faster?
a.
The sound stops producing compressions and rarefactions.
b.
The frequency and pitch become lower.
c.
The frequency and pitch become higher.
Correct Answer
d.
The pitch stays the same, but frequency decreases.
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Q5mcq
The amount of solute dissolved in a particular solvent is defined in terms of:
a.
concentration
Correct Answer
b.
surface tension
c.
fluidity
d.
viscosity Test Date 02/02/2026 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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Q6mcq
Prokaryotic cells differ from eukaryotic cells in having which of the following?
a.
A true nucleus
b.
Ribosomes
c.
Membrane-bound organelles
d.
No membrane-bound nucleus
Correct Answer
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Q7mcq
Which of the following statements suits best for the role of chemical methods of birth control in family planning?
a.
They prevent sperm from entering the uterus by thickening the vaginal wall.
b.
They alter the hormone levels to inhibit ovulation and uterus preparation.
Correct Answer
c.
They increase estrogen levels to promote ovulation and make fertilisation less likely.
d.
They mechanically block the fallopian tubes and suppress menstruation entirely.
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Q8mcq
A convex mirror always forms an image that is ________.
a.
real, inverted, and smaller than the object
b.
real, erect, and same size as the object
c.
virtual, erect, and larger than the object
d.
virtual, erect, and diminished
Correct Answer
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Q9mcq
The absolute refractive index of a material is 4/3. If the speed of light in air is 3 x 10 8 m/s, then what will be the speed of light in this medium?
a.
3 x 108 m/s
b.
4 x 108 m/s
c.
2.25 x 108 m/s
Correct Answer
d.
1.33 x 108 m/s
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Q10mcq
Water harvesting is important because it:
a.
Purifies the water bodies
b.
Decreases the water supply to downstream areas
c.
Recharges groundwater
Correct Answer
d.
Reduces the mineral density in water bodies
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Which of the following situations clearly illustrates Newton’s third law, where action and reaction forces act on two different objects and are equal and opposite?
a.
A stone resting on the ground.
b.
A sailor pushes the boat backward while jumping forward, and the boat pushes him forward.
c.
A book kept on a table remains at rest.
d.
A car accelerating due to engine power.
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The difference between the present ages of two sisters is 3 years. After 2 years, the elder sister will be twice as old as the younger sister was 2 years ago. Find the sum of their ages after 8 years from now.
a.
33 years
b.
39 years
c.
31 years
d.
37 years
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The ratio of three numbers is 12 : 21 : 5. If 50 percent of the first number is 78, then what would be 50 percent of the absolute difference of third and second number? 5000
a.
105
b.
103
c.
102
d.
104
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Two trains are running in opposite directions at the same speed. If the length of each train is 444 m and they cross each other in 37 seconds, then what is the speed of each train?
a.
9 m/s
b.
8 m/s
c.
10 m/s
d.
12 m/s
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X, Y and Z together can complete a piece of work in 8 days, while X alone can complete it in 24 days and Y alone can complete it in 36 days. Find in how many days Z alone can complete the work?
a.
48 days
b.
12 days
c.
18 days
d.
28 days
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In a town with 75,000 voters, 95% cast their votes, all of which were valid. There were three candidates: A, B, and C. Candidate A received 40% of the valid votes, while candidate B received 12% fewer votes than A. What percentage of the valid votes did candidate C receive?
a.
52%
b.
48%
c.
15.2%
d.
24.8%
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A vertical stick 15 m long casts a shadow 5 m long on the ground. At the same time, a tower casts a shadow of 46.5 m long on the ground. The height of the tower is:
a.
137.5 m
b.
141.5 m
c.
139.5 m
d.
135.5 m
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During the festive season, one large laddoo having radius 32 cm is made as prashad. After pooja, it is decided to make small laddoos from one large laddoo so as to distribute to the devotees. How many laddoos of radius 2 cm can be made?
a.
4132
b.
4096
c.
3896
d.
3964
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Rahul covers a distance of 225 km in 15 hours. How many hours will he take to cover 40% less distance if he drives 20% faster than his original speed? 3164
a.
8
b.
7
c.
7.5
d.
8.5
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Kartik starts from Point A and drives 9 km towards east. He then takes a right turn, drives 5 km, turns right and drives 11 km. He then takes a right turn and drives 12 km. He takes a final right turn, drives 2 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (Note: All turns are 90° turns only unless specified.)
a.
7 km to the south
b.
7 km to the north
c.
6 km to the south
d.
6 km to the north
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Seven friends, L, M, N, O, Q, R and S, are sitting in a straight line facing north. No one sits to the right of S. S sits immediately to the right of Q. Only three people sit between S and N. R sits third to the left of M. O sits to the immediate right of M. How many people sit between L and Q?
a.
Two
b.
Three
c.
One
d.
Zero
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Refer to the given 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) 4 2 1 5 7 9 8 5 3 6 2 1 5 7 3 7 8 4 3 6 9 7 4 5 2 4 1 (Right) How many such even digits are there, each of which is immediately preceded by an even digit and also immediately followed by an odd digit?
a.
More than three
b.
Two
c.
Three
d.
One
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