How do plant cells respond immediately to a stimulus without specialized proteins like animal muscle cells?
a.
By secreting enzymes only
b.
By changing water content to cause swelling or shrinking
Correct Answer
c.
By producing immune responses
d.
By breaking down food to release energy instantly
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Q2mcq
Among the following materials, which one has the highest electrical resistivity at room temperature?
a.
Iron
b.
Chromium
c.
Mercury
d.
Manganese
Correct Answer
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Q3mcq
Which of the following statements is correct for uniform motion?
a.
The slope of the distance–time graph is constant.
Correct Answer
b.
The slope of the distance–time graph is increasing.
c.
The slope of the distance–time graph is decreasing.
d.
The slope of the distance–time graph is zero.
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Q4mcq
Which of the following best defines an ion?
a.
An atom or group of atoms that has a positive or negative charge
Correct Answer
b.
A molecule with more neutrons than protons
c.
An atom with equal number of protons and electrons
d.
A neutral particle formed by the combination of atoms
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Q5mcq
Why are sound waves classified as mechanical waves?
a.
They do not require a medium to travel
b.
They cause light oscillations
c.
They oscillate perpendicular to wave propagation
d.
They are characterised by the motion of particles in a medium Test Date 03/12/2025 Test Time 12:45 PM - 2:15 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.
Correct Answer
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Q6mcq
Which of the following statements is correct for the magnetic field inside a long, straight, current-carrying solenoid?
a.
It increases as we move towards its end.
b.
It decreases as we move towards its end.
c.
It is the same at all points.
Correct Answer
d.
It is zero.
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Q7mcq
Which of the following conditions will NOT favour evaporation?
a.
High Wind Speed
b.
High Humidity
Correct Answer
c.
Low Humidity
d.
High Temperature
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Q8mcq
When gypsum is heated at 373 K, it loses water of crystallisation and forms _________.
a.
calcium chloride pentahydrate
b.
calcium chloride hemihydrate
c.
calcium sulphate pentahydrate
d.
calcium sulphate hemihydrate
Correct Answer
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Q9mcq
Which of the following factors does NOT increase the rate of evaporation?
a.
Increase in surface area
b.
Increase in humidity
Correct Answer
c.
Increase of temperature
d.
Increase in wind speed
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Q10mcq
Which of the following statements best explains kinetic energy?
a.
It is the energy stored in an object due to its shape.
b.
It is the energy an object has because of its motion, and it increases as the object's speed increases.
Correct Answer
c.
It is the energy an object has because it is at rest.
d.
It is the energy that decreases as the object's speed increases.
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Which of the following statements is correct about the nature of the image formed by a concave mirror when the object is placed between the principal focus and the pole?
a.
Real, inverted, same size
b.
Virtual, erect, magnified
c.
Real, inverted, highly diminished (point image)
d.
Real, inverted, diminished
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What is the formula to calculate the acceleration due to gravity (g), where G is the universal gravitational constant, M is the mass of the Earth, and R is the radius of the Earth?
a.
g=GR/M2
b.
g=GM/R2
c.
g=GM/R
d.
g=GM2/R
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Srikar spends 10% of his monthly income on rent, 20% of the rest on household expenditure and 25% of the rest on food and saves the rest. He finally saves ₹78,300. Find his monthly income. 7083
a.
₹1,78,300
b.
₹1,45,000
c.
₹1,00,000
d.
₹1,50,000
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Dev and Tej started a business, investing amounts of ₹1,800 and ₹1,620, respectively. If Dev's share in the profit earned by them is ₹930, what is the total profit (in ₹) earned by them together?
a.
1,869
b.
1,767
c.
1,788
d.
1,753
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The total number of colour blocks is 4641. If the ratio of red blocks to blue blocks is 6 : 10 and the ratio of blue blocks to yellow blocks is 2 : 7, then how many yellow blocks are there?
a.
3155
b.
3148
c.
3185
d.
3149
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Refer to the number series given below and answer the question that follows. Counting to be done from left to right only. (NOTE: All numbers are single-digit numbers only.) (Left) 5 2 4 8 8 7 2 3 3 3 6 7 5 6 6 8 9 4 1 5 1 7 7 3 3 7 5 (Right) How many such odd numbers are there each of which is immediately preceded by an even number and also immediately followed by an even number?
a.
1
b.
2
c.
4
d.
3
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Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
a.
OS – WY
b.
TX – AC
c.
EI – LN
d.
AE – HJ
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Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which letter-cluster pair DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)
a.
HJ - DL
b.
NO - JK
c.
LM - HI
d.
QR - MN
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If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 3674185, how many digits will appear more than once in the new number thus formed?
a.
Three
b.
Two
c.
One
d.
None
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Five people, A, B, C, D and E, are sitting in a row, facing north. Only two people sit between A and B. B sits between D and E. E sits second to the left of A. Who sits at the extreme left end of the row?
a.
E
b.
C
c.
B
d.
D
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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: Some hair are nails. All nails are teeth. Conclusions (I): Some hair are teeth. Conclusions (II): All teeth are nails.
a.
Neither conclusion (I) nor (II) follows.
b.
Only conclusion (II) follows.
c.
Both conclusions (I) and (II) follow.
d.
Only conclusion (I) follows.
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If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 6437585, how many digits will appear more than once in the new number thus formed?
a.
Two
b.
Three
c.
One
d.
None
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A, B, C, D, W, X and Y are sitting around a circular table facing the centre of the table. C sits fourth to the right of X. Only two people sit between Y and W when counted from the left of Y. D sits third to the left of B. A is an immediate neighbour of B and W. How many people between C and A when counted from the left of A?
a.
One
b.
Four
c.
Two
d.
Three
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