Some organisms take in whole food material and break it down inside their bodies. This is called ________ nutrition.
a.
autotrophic
b.
saprophytic
c.
parasitic
d.
holozoic
Correct Answer
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Q2mcq
What does the velocity-time graph look like for an object moving with uniform velocity?
a.
A curved line rising gradually
b.
A straight line sloping downwards
c.
A straight line parallel to the time axis
Correct Answer
d.
A straight line sloping upwards
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Q3mcq
What happens when a solid is heated continuously?
a.
It shrinks
b.
It evaporates directly
c.
It melts and may later evaporate
Correct Answer
d.
It expands and turns into a gas
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Q4mcq
Sodium hydroxide is formed by:
a.
Passing electricity through brine
Correct Answer
b.
Passing chlorine through water
c.
Dissolving sodium in ethanol
d.
Reacting sodium with carbon dioxide
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Q5mcq
What will happen to a Hydra if it is cut into multiple pieces?
a.
Each piece will reproduce by budding.
b.
Only the head part will grow into a complete individual.
c.
Each piece will regenerate to form new individuals.
Correct Answer
d.
All pieces will die immediately. Test Date 09/01/2026 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.
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Q6mcq
Select the correct option regarding the following two statements labelled Assertion (A) and Reason (R). Assertion (A): Calcium oxide reacts vigorously with water to form calcium hydroxide. Reason (R): In a combination reaction, two or more substances combine to form one product.
a.
Both A and R are true, and R is the correct explanation of A.
Correct Answer
b.
Both A and R are true, and R is not the correct explanation of A.
c.
A is true, but R is false.
d.
A is false, but R is true.
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Q7mcq
In galvanisation, which metal is used to coat iron?
a.
Lead
b.
Aluminum
c.
Copper
d.
Zinc
Correct Answer
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Q8mcq
Which of the following contributes directly to forest conservation?
a.
Social Forestry
Correct Answer
b.
Logging
c.
Urbanization
d.
Mining
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Q9mcq
Select the INCORRECT statement regarding variation in plants.
a.
Individuals within a population are unique due to the variations.
b.
They are produced due to inaccuracy in the copying of DNA.
c.
Asexual reproduction is a regular source of variations in a population.
Correct Answer
d.
They are produced during sexual reproduction.
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Q10mcq
Which of the following metals does NOT react with dilute hydrochloric acid under normal conditions?
a.
Iron
b.
Aluminium
c.
Copper
Correct Answer
d.
Zinc
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In the case of a convex lens, under what specific object position is the image formed at 2F (F is the focal length) and has the same size as the object?
a.
At focus F
b.
At 2F
c.
Beyond 2F
d.
At infinity
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A constant force of ‘X’ N acts on a body such that the body undergoes a displacement of 5 m in the same direction as the force. If the work done due to the force is 500 J, then what is the value of X?
a.
100 N
b.
1/100 N
c.
2500 N
d.
250 N
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A sealed packet has a mass of 500 g and a volume of 350 cm 3 . Given the density of water is 1 g cm ⁻ ³, will the packet float or sink in water, and why?
a.
Float, because its density is less than water.
b.
Sink, because the total volume is high.
c.
Sink, because its density is greater than water's density.
d.
Float, because its mass is low.
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