What topics are covered under General Science for RRB JE?

Physics, Chemistry, and Biology based on 10th and 12th-grade syllabi.

How many questions are asked from General Science in RRB JE?

Approximately 15–20 questions, depending on the exam pattern.

Top 30 General Science Question for RRB JE Exam

Table of Contents

Chemistry Questions for RRB JE Exam

The Questions for Chemistry part in the General Science Section for RRB JE Exam as per the Answer Key released is provided below:

S. NO.	Questions and Answers
1	The dark blue colour in the pH scale refers to __________.
	(a)strong acidic solution	(b)weak basic solution
	(c)neutral solution	(d)strong basic solution
2	In a displacement reaction, if a more reactive metal displaces a less reactive metal from its salt solution, what is the result?
	(a)The less reactive metal is displaced and the more reactive metal becomes a part of the compound	(b)The less reactive metal is displaced and solidifies
	(c)The more reactive metal remains unchanged	(d)Formation of an insoluble salt
3	A solution has a pH of 8. If it is diluted with an equal volume of water, what will happen to its pH?
	(a)The pH will decrease.	(b)The pH will increase.
	(c)The pH will remain the same.	(d)It will become neutral.
4	Which of the following statements is true about the physical properties of compounds in a homologous series?
	(a)They have identical melting and boiling points.	(b)Their boiling points decrease as the number of carbon atoms increase.
	(c)They have a regular change in melting and boiling points.	(d)Their physical properties do not change.
5	Which ion reduces at the cathode during electrolysis of fresh brine solution?
	(a)Cl⁻	(b)H⁺
	(c)OH^–	(d)Na⁺
6	Which of the following combination will produce a precipitate?
	(a)NaOH + FeCl₃	(b)NaOH + Na₂SO₄
	(c)NaOH + NaCl	(d)NaCl + KNO₃
7	Which of the following best describes why ionic compounds like potassium bromide (KBr) do NOT conduct electricity in solid form but do in molten form?
	(a)Solid KBr has weak ions that do not conduct electricity.	(b)In molten form, KBr decomposes into gaseous atoms.
	(c)Ionic bonds prevent ion movement in solid KBr.	(d)Solid KBr consists of neutral atoms with no free electrons.
8	What happens when sodium hydroxide reacts with copper (II) sulfate solution?
	(a)No reaction occurs.	(b)Sodium sulfate is formed.
	(c)Copper metal is deposited.	(d)Copper(II) hydroxide precipitates.
9	When hydrogen gas is passed through heated black copper (II) oxide, it:
	(a)reduces to form bluish copper solution	(b)oxidises to form bluish copper solution
	(c)oxidises to form brownish copper metal	(d)reduces to form brownish copper metal
10	When washing soda is exposed to hot atmosphere for a long time, it:
	(a)gains water molecules and dissolves in them	(b)gains heat from the Sun and becomes dry
	(c)loses water molecules and becomes powdery	(d)loses water molecules but remains in crystal form

Physics Questions for RRB JE Exam

The Questions for Physics part in the General Science Section for RRB JE Exam as per the Answer Key released is provided below:

S. NO.	Questions and Answers
1	Consider a pencil dipped in water in a glass beaker. If the water is replaced by kerosene or turpentine, will the pencil appear displaced to the same extent?
	(a)Yes, the displacement will be the same.	(b)Yes, it will be more displaced than in water
	(c)No, the displacement will vary.	(d)No, the pencil will appear straight.
2	Which of the following describes the relationship between the aperture of a lens and its radius of curvature in the context of thin lenses?
	(a)The aperture is much smaller than the radius of curvature.	(b)The aperture equals the radius of curvature.
	(c)The aperture is much larger than the radius of curvature.	(d)The aperture is independent of the radius of curvature.
3	In the case of a thin lens, how are the centres of curvature typically positioned relative to the optical centre?
	(a)They are equidistant from the optical centre.	(b)They are located on the lens surface itself.
	(c)They are closer to the edge than to the optical centre.	(d)They coincide with the optical centre.
4	The Fleming’s right hand rule is used to find the:
	(a)direction of the magnetic field associated with a current carrying conductor	(b)direction of the current of a current carrying conductor
	(c)direction of the motion of the current carrying conductor	(d)direction of the gravitational field
5	The front face of a circular loop of a wire is the North Pole; the direction of current in this face of the loop will be:
	(a)towards north	(b)anti-clockwise
	(c)towards south	(d)clockwise
6	If the length of a wire-shaped resistor is doubled, the resistivity:
	(a)remains the same	(b)is doubled
	(c)is halved	(d)is quadrupled
7	How can you experimentally determine the focal length of a concave mirror?
	(a)Measure the angle of reflection.	(b)Measure the diameter of the mirror.
	(c)Measure the distance between the mirror and the image of a distant object formed by it.	(d)Measure the distance between the pole and the centre of curvature.
8	If a wire is stretched to quadruple its length without changing its area, what will happen to its resistivity?
	(a)It halves	(b)It quadruples
	(c)It remains the same	(d)It doubles
9	Consider a conductor in the plane of the paper with current going from bottom to the top. What will be the direction of the magnetic field lines to the left of the conductor?
	(a)Opposite to the direction of the current.	(b)Perpendicular to the plane of the paper and going in.
	(c)In the direction of the current.	(d)Perpendicular to the plane of the paper and coming out.
10	Which of the following will cause the greatest increase in power dissipation for a given resistor?
	(a)Doubling the voltage across the resistor	(b)Doubling the resistance
	(c)Halving the current through the resistor	(d)Halving the resistance

Biology Question for RRB JE Exam

The Questions for Biology part in the General Science Section for RRB JE Exam as per the Answer Key released is provided below:

S. NO.	Questions and Answers
1	Ravi has purchased an aquarium and was surprised to know that regular cleaning of aquariums is essential. Why does it have to be regularly cleaned?
	(a)Dead fish and plants may spoil the electric supply of the aquarium.	(b)Dead fish and plants are decomposed by microorganisms and smell bad.
	(c)Dead fish and plants should be disposed of in the soil, not in water	(d)Dead fish and plants may spoil the aeration system of the aquarium.
2	Leishmania reproduces by:
	(a)binary fission in a definite plane	(b)binary fission in two equal halves
	(c)binary fission in only vertical planes	(d)binary fission in any plane
3	Mendel studied traits such as flower colour and seed shape in pea plants. These traits are called as:
	(a)visible characters	(b)progeny units
	(c)dominant characteristics	(d)genetic codes
4	Seeds that are dispersed by animals often:
	(a)have hooks or edible flesh	(b)are very small and light weight
	(c)have wings or parachutes	(d)can float easily in water
5	What are the two versions of a gene controlling a trait called?
	(a)Proteins	(b)Chromosomes
	(c)Mutations	(d)Alleles
6	Which of the following plants propagates through runners?
	(a)Jasmine	(b)Potato
	(c)Strawberry	(d)Rose
7	Garden is an ecosystem because:
	(a)the living organisms in it interact with each other and are affected by abiotic components	(b)the living organisms in it interact with each other and are not affected by abiotic components
	(c)it has both plants, trees and animals like insects, frogs, birds, etc., as biotic components	(d)it has only biotic components like plants, trees and flowers
8	What is the thread-like structure in Rhizopus?
	(a)Spores	(b)Hyphae
	(c)Sporangia	(d)Blobs
9	What are the number of chromosomes in a human male germ cell?
	(a)46 pairs of Chromosomes	(b)23 pairs of Chromosomes
	(c)23 Chromosomes	(d)46 Chromosomes
10	What unique feature do the sex chromosomes in humans have compared to other chromosomes?
	(a)They are not always a perfect pair in males.	(b)They are always perfectly paired.
	(c)They are identical in males and females.	(d)They are the largest chromosomes in the body.