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Oswaal CBSE MCQ Class 10. We covered all the Oswaal CBSE MCQ Class 10 in this post for free so that you can practice well for the exam.
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Oswaal CBSE MCQ Class 10 for Students
Which of the following organizations is responsible for promoting international trade?
a) ECGC
b) MMTC
c) STC
d) All of the above
Option a – ECGC
Which institution deals with financing and insurance for exports?
a) ECGC
b) GAIL
c) CBDT
d) IDBI
Option a – ECGC
What does invisible export refer to?
a) Services
b) Banned goods
c) Unrecorded items
d) Goods smuggled illegally
Option a – Services
What are the main reasons for India’s trade balance deficit in earlier years?
a) A steep rise in imports
b) Slow growth in exports
c) Expensive and low-volume production
d) All of the above
Option d – All of the above
How is the Balance of Payment best defined?
a) The net value of exports and imports
b) The gap between a company’s liabilities and assets
c) The gap between government spending and revenue
d) A detailed record of economic transactions between the country and the rest of the world
Option d – A detailed record of economic transactions between the country and the rest of the world
Which country is the top importer of Indian leather goods?
a) USA
b) USSR
c) United Kingdom
d) West Germany
Option a – USA
Which of the following product groups makes up the largest share of India’s exports?
a) Engineering items and Tea
b) Tea, Gems, and Jewellery
c) Garments and Sugar
d) Garments, Gems, and Jewellery
Option d – Garments, Gems, and Jewellery
Which one of the following does not possess a free trade zone?
a) Kandla
b) Mumbai
c) Visakhapatnam
d) Thiruvananthapuram
Option a – Kandla
What does ECGC primarily deal with?
a) Promoting exports
b) Providing finance and insurance for exports
c) Certifying export quality
d) Publishing export statistics
Which optical phenomenon allows light to travel through optical fibers?
a) Interference
b) Scattering
c) Total internal reflection
d) Refraction
Option c – Total internal reflection
Why can light travel through bent optical fibers?
a) The fiber holes are very tiny
b) Light is absorbed at one end and emitted at the other
c) Scattering of light happens inside the fiber
d) Continuous total internal reflections occur inside the fiber
Option d – Continuous total internal reflections occur inside the fiber
During total internal reflection, light passes from
a) A rarer to a denser medium without loss of intensity
b) A denser to a rarer medium without intensity loss
c) A rarer to a denser medium with some intensity loss
d) A denser to a rarer medium with some intensity loss
Option d – A denser to a rarer medium with some intensity loss
Why do light rays follow a zig-zag path in optical fibers even though they normally move in straight lines?
a) Because of extremely narrow fiber openings
b) Due to light being absorbed and then re-emitted
c) Because of light scattering within the fiber
d) Due to repeated total internal reflections
Option d – Due to repeated total internal reflections
What gives diamonds their sparkling brilliance?
a) Light interference
b) Light diffraction
c) Light polarization
d) Total internal reflection
Option d – Total internal reflection
In which scenario can total internal reflection occur?
a) From Glass to Diamond
b) From Air to Water
c) From Air to Glass
d) From Diamond to Air
Option d – From Diamond to Air
What is the ‘M-STRIPES’ initiative associated with?
a) Captive breeding of wild species
b) Managing tiger reserves
c) Native satellite navigation
d) National highway safety
Option b – Managing tiger reserves
Where is India’s National Biological Garden located?
a) Mumbai
b) Lucknow
c) New Delhi
d) Bengaluru
Option c – New Delhi
Which was the first national park to be established in India?
a) Kanha National Park
b) Dudhwa National Park
c) Rajaji National Park
d) Jim Corbett National Park
Option d – Jim Corbett National Park
How many national parks are currently established in India for wildlife protection?
a) 39
b) 49
c) 59
d) 96
Option d – 96
What is the primary goal of India’s ‘Project Tiger’?
a) Observe tiger behavior
b) Gather data on animal species
c) Prevent tiger extinction
d) None of the above
Option c – Prevent tiger extinction
When is International Tiger Day celebrated?
a) July 24
b) July 29
c) July 20
d) July 25
Option b – July 29
Most protected wildlife areas in India are surrounded by
a) Dense forests
b) Water bodies
c) Human settlements
d) Hills and mountains
Option a – Dense forests
When was Project Tiger launched in India?
a) 1970
b) 1973
c) 1981
d) 1984
Option b – 1973
Which factor primarily affects the specific resistance of most metals?
a) Volume
b) Pressure
c) Temperature
d) Magnetic field
Option c – Temperature
What is the internal resistance of a 2.1 V cell that delivers 0.2 A current through a 10 Ω resistor?
a) 0.5 Ω
b) 0.8 Ω
c) 1.0 Ω
d) 0.2 Ω
Option a – 0.5 Ω
Ohm’s Law holds true for
a) Metallic conductors
b) Nonmetallic conductors
c) Insulators
d) Semiconductors
Option a – Metallic conductors
What happens to electron flow when voltage across a conductor increases?
a) It decreases
b) It increases
c) It stays constant
d) It sharply drops
Option b – It increases
When three resistances R₁, R₂, and R₃ are connected in parallel, the resulting resistance is
a) Equal to the sum of two resistors
b) Equal to the sum of all three
c) Less than any individual resistance
d) More than the combined total
Option c – Less than any individual resistance
Which of the following sets consists of good electrical conductors only?
a) Copper, Silver, Gold
b) Copper, Silicon, Diamond
c) Copper, Mercury, Salt
d) Copper, Germanium, Mercury
Option a – Copper, Silver, Gold
How does increasing the temperature affect the resistance of a conductor?
a) It always decreases
b) It always increases
c) It may either increase or decrease
d) It remains unchanged
Option b – It always increases
The current capacity of a cell is measured in
a) Amperes
b) Ampere-hours
c) Watts
d) Watt-hours
Option b – Ampere-hours
If a cell supplies 2.5 A for one hour, how much current can it provide in half an hour?
a) 1 A
b) 1.25 A
c) 2.5 A
d) 5 A
Option d – 5 A
What does the specific resistance of a conductor primarily depend on?
a) Length
b) Volume
c) Type of material
d) Diameter
Option c – Type of material
What is the term used for the current considered to flow from the positive to the negative terminal in a circuit?
a) Direct current
b) Wild-type current
d) Conventional current
Option d – Conventional current
In solid conductors, what are the primary charge carriers?
a) Protons
b) Negative ions
c) Positive ions
d) Electrons
Option d – Electrons
No current flows between two charged objects when they share the same:
a) Capacity
b) Potential
c) Charge
d) Area
Option b – Potential
When an electric field is applied across a conductor, free electrons move in which direction?
a) Same as the field
b) Opposite to the field
c) Perpendicular to the field
d) Cannot be determined
Option b – Opposite to the field
If an electron begins at rest in the direction of an electric field, how will it move?
a) In a straight line
b) In a parabola
c) In a circular path
d) In an ellipse
Option a – In a straight line
How is the solubility of gases typically expressed?
a) Molarity
b) Weight percentage
c) Volume percentage
d) Absorption coefficient
Option d – Absorption coefficient
Copper sulphate is insoluble in:
a) Kerosene
b) Benzene
c) Carbon tetrachloride
d) All of the above
Option d – All of the above
Which of the following is an ionic substance?
a) Copper sulphate
b) Benzene
c) Kerosene
d) Carbon tetrachloride
Option a – Copper sulphate
Ionic compounds generally exhibit which type of nature?
a) Polar
b) Non-polar
c) Both polar and non-polar
d) None of these
Option a – Polar
Which of these are polar solvents?
a) Water
b) Alcohol
c) Ammonia
d) All of the above
Option d – All of the above
Which among the following are covalent compounds?
a) Benzene
b) Naphthalene
c) Kerosene
d) All of the above
Option d – All of the above
Covalent compounds are typically:
a) Polar in nature
b) Non-polar in nature
c) Can be either polar or non-polar
d) None of the above
Option b – Non-polar in nature
A polar compound is likely to dissolve in:
a) Polar solvent
b) Non-polar solvent
c) Both a and b
d) None of the above
Option a – Polar solvent
In which of the following solvents does naphthalene dissolve?
a) Kerosene
b) Carbon tetrachloride
c) Benzene
d) All of the above
Option d – All of the above
What is the common name of sodium thiosulphate?
a) Rock salt
b) Double salt
c) Mohr’s salt
d) Hypo
Option d – Hypo
What is a solution called when it contains the maximum amount of solute that can dissolve?
a) Unsaturated solution
b) Saturated solution
c) Supersaturated solution
d) None of the above
Option b – Saturated solution
A solution with less solute than its solubility is known as: ( Oswaal CBSE MCQ Class 10 )
a) Saturated solution
b) Supersaturated solution
c) Unsaturated solution
d) All of the above
Option c – Unsaturated solution
Which of the following types of solution is the least stable? ( Oswaal CBSE MCQ Class 10 )
a) Saturated solution
b) Unsaturated solution
c) Supersaturated solution
d) None of the above
Option c – Supersaturated solution
Naphthalene dissolves in:
a) Kerosene
b) Water
c) Ammonia
d) Alcohol
Option a – Kerosene
In which solvent is sucrose soluble? ( Oswaal CBSE MCQ Class 10 )
a) Kerosene
b) Carbon tetrachloride
c) Water
d) Benzene
Option c – Water
What is a solution?
a) Homogeneous mixture of one substance
b) Homogeneous mixture of two substances
c) Homogeneous mixture of three substances
d) Homogeneous mixture of two or more substances
Option d – Homogeneous mixture of two or more substances
What is the color of copper sulphate solution? ( Oswaal CBSE MCQ Class 10 )
a) Red
b) Blue
c) Green
d) Yellow
Option b – Blue
A solution that maintains the same physical properties throughout is referred to as: ( Oswaal CBSE MCQ Class 10 )
a) Homogeneous
b) Heterogeneous
c) Binary solution
d) Solvent
Option a – Homogeneous
Which factors influence solubility? ( Oswaal CBSE MCQ Class 10 )
a) Solute type
b) Solvent type
c) Temperature
d) All of the above
Option d – All of the above
A solution is made of: ( Oswaal CBSE MCQ Class 10 )
a) Solvent
b) Solute
c) Both a and b
d) None of these
Option c – Both a and b
Which component is present in the smallest quantity in a solution? ( Oswaal CBSE MCQ Class 10 )
a) Solvent
b) Solute
c) Both
d) None
Option b – Solute
The component present in greater quantity in a solution is:
a) Solvent
b) Solute
c) Both
d) None
Option a – Solvent
In a sugar solution, what is the solute? ( Oswaal CBSE MCQ Class 10 )
a) Water
b) Sugar
c) Air
d) None
Option b – Sugar
In a sugar solution, what is water referred to as? ( Oswaal CBSE MCQ Class 10 )
a) Solution
b) Solute
c) Solvent
d) Both a and b
Option c – Solvent
If water is used as the solvent, what is the solution known as? ( Oswaal CBSE MCQ Class 10 )
a) Solution
b) Homogeneous solution
c) Heterogeneous solution
d) Aqueous solution
Option d – Aqueous solution
If 2 grams of copper sulphate are dissolved in 50 ml of water, what is the solute? ( Oswaal CBSE MCQ Class 10 )
a) Copper sulphate
b) Water
c) Both
d) None
Option a – Copper sulphate
In a solution of 10 g of CO₂ in 1 litre of water, the solvent is:
a) Carbon dioxide
b) Water
c) Both
d) None
Option b – Water
When 50 g of alcohol is added to 50 g of water, which is considered the solute? ( Oswaal CBSE MCQ Class 10 )
a) Water
b) Alcohol
c) Either water or alcohol
d) Both water and alcohol
Option c – Either water or alcohol
How is solubility defined at a constant temperature? ( Oswaal CBSE MCQ Class 10 )
a) Grams of solute per 100 grams of solvent
b) Grams of solute per 1000 grams of solvent
c) Grams of solute per 100 ml of solvent
d) Grams of solute per 1 litre of solvent
Option a – Grams of solute per 100 grams of solvent
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