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 organization promotes foreign trade?
(A) ECGC
(B) MMTC
(C) STC
(D) All of the above
Option a – ECGC
(A) ECGC
(B) GAIL
(C) CBDT
(D) IDBI
Option a – ECGC
Invisible export means the export of
(A) Services
(B) Prohibited goods
(C) Unrecorded goods
(D) Goods through smuggling
Option a – Services
What have been the reasons for the deficit in India’s Balance of Trade in the Past? ( Oswaal CBSE MCQ Class 10 )
(A) Very large rise in imports
(B) Modest growth of exports
(C) High-cost and low-quantity production
(D) All of the above
Option d – All of the above
Balance of payment is defined as
(A) the value of exports minus the value of imports
(B) the difference between the liabilities and assets of a firm
(C) the difference between current expenditure and current revenue in the government
(D) a complete record of all economic transactions between the residents of the country and the rest of the world
Option d – a complete record of all economic transactions between the residents of the country and the rest of the world
India exports the maximum leather to ( Oswaal CBSE MCQ Class 10 )
(A) U.S.A.
(B) U.S.S.R.
(C) England
(D) W. Germany
Option a – U.S.A.
Which one of the following groups constitutes the largest item of Export from India?
(A) Engineering Goods and Tea
(B) Tea, Gems, and Jewellery
(C) Readymade Garments and Sugar
(D) Readymade Garments, Gems, and Jewellery
Option d – Readymade Garments, Gems, and Jewellery
Which among the following does not have a ‘free trade zone’? ( Oswaal CBSE MCQ Class 10 )
(A) Kandla
(B) Mumbai
(C) Vishakhapatnam
(D) Thiruvananthapuram
Option a – Kandla
(A) Export promotion
(B) Export financing and insurance
(C) Export quality certification
(D) Export statistics publication
Option b – Export financing and insurance
The optical phenomenon that is responsible for the propagation of a light signal through an optical fiber is ( Oswaal CBSE MCQ Class 10 )
(a) interference
(b) scattering
(c) total internal reflection
(d) refraction
Option c – total internal reflection
Optical fibers, though bent in any manner, allow light to pass through. What is the inference that one can draw from it?
(a) The concept that light travels in a straight path is wrong.
(b) Light can flow through the optical fibers.
(c) Light can travel through the fibers because of their ductility.
(d) Light can travel through the fibers due to multiple total internal reflections.
Option d – Light can travel through the fibers due to multiple total internal reflections
In total internal reflection, the light travels from ( Oswaal CBSE MCQ Class 10 )
(a) rarer to denser medium and it occurs with no loss of intensity.
(b) denser to rarer medium and it occurs with no loss of intensity.
(c) rarer to denser medium and it occurs with a loss of intensity.
(d) denser to rarer medium and it occurs with a loss of intensity.
Option d – denser to rarer medium and it occurs with a loss of intensity
Light rays move in straight lines. But through an optical fiber, they can move in any type of zig-zag path because
(a) the holes through the fibers are extremely fine.
(b) light rays are absorbed at the entry end and relieved at the exit end of the fiber.
(c) scattering of light occurs inside the fiber.
(d) successive total internal reflections occur as a ray moves through the fiber.
Option d – successive total internal reflections occur as a ray moves through the fiber
The brilliance of the diamond is due to ( Oswaal CBSE MCQ Class 10 )
(a) interference of light.
(b) diffraction of light.
(c) polarization of light.
(d) total internal reflection of light.
Option d – total internal reflection of light
In which of the following cases can Total Internal Reflection (when the angle of incidence is greater than the critical angle) take place?
(a) Glass of Diamond
(b) Air to Water
(c) Air to Glass
(d) Diamond to Air
Option d – Diamond to Air
The term ‘M-STRIPES’ is sometimes seen in the news in the context of ( Oswaal CBSE MCQ Class 10 )
(A) Captive breeding of Wild Fauna
(B) Maintenance of Tiger Reserves
(C) Indigenous Satellite Navigation System
(D) Security of National Highways
Option b – Maintenance of Tiger Reserves
The National Biological Garden of India is situated in
(A) Mumbai
(B) Lucknow
(C) New Delhi
(D) Bengaluru
Option c – New Delhi
Which one of the following is the first National Park of India? ( Oswaal CBSE MCQ Class 10 )
(A) Kanha National Park
(B) Dudhwa National Park
(C) Rajaji National Park
(D) Jim Corbett National Park
Option d – Jim Corbett National Park
Today how many national parks are there in India, which has been established to protect wild animals?
(A) 39
(B) 49
(C) 59
(D) 96
Option d – 96
Project Tiger’ of the Government envisages
(A) To observe the habits of the tiger
(B) Collect vital information about different species
(C) To save the Indian tiger from extinction
(D) None of the above
Option c – To save the Indian tiger from extinction
International ‘Tiger Day’ is observed on
(A) 24th July
(B) 29th July
(C) 20th July
(D) 25th July
Option b – 29th July
Most of the wildlife-protected areas in India are surrounded by
(A) Dense forests
(B) Rivers and lakes
(C) Human settlements
(D) Mountains and hills
Option a – Dense forests
Project Tiger in India was started in
(A) 1970
(B) 1973
(C) 1981
(D) 1984
Option b – 1973
The specific resistance of all metals is mostly affected by
(A) Volume
(B) Pressure
(C) Temperature
(D) Magnetic field
Option c – Temperature
The internal resistance of a 2.1 V cell which gives a current of 0.2 A through a resistance of 10 Ω is
(A) 0.5 Ω
(B) 0.8 Ω
(C) 1.0 Ω
(D) 0.2 Ω
Option a – 0.5 Ω
Ohm’s Law is true for
(A) Metallic conductors
(B) Nonmetallic conductor
(C) Insulator
(D) semiconductors
Option a – Metallic conductors
If the potential difference applied across a conductor is increased the rate of flow of electrons:
(A) Decreases
(B) Increases
(C) Remain the same
(D) Decreases sharply
Option b – Increases
The three resistance R₁, R₂, and R3 are connected in parallel. The resultant Resistance R is :
(A) Equal to the sum of any two resistance
(B) Equal to the sum of three resistance
(C) Less than any one of the three resistances
(D) Greater than the sum of the three
Option c – Less than any one of the three resistances
Identify the set in which all three materials are good conductors of electricity :
(A) Cu, Ag Au
(B) Cu, Si, and diamond
(C) Cu, Hg, and NaCl
(D) Cu, Ge, and Hg
Option a – Cu, Ag Au
When the temperature of the material of the conductor is increased, its resistance :
(A) Always decreases
(B) Always increase
(C) May increase or decrease
(D) Remain the same
Option b – Always increase
The current capacity of a cell is measured in terms of
(A) Ampere
(B) Ampere-hour
(C) Watt
(D) Watt-hour
Option b – Ampere-hour
A storage cell can supply a current of 2.5A for 1hr. The maximum current it can supply for 1/2 hr is :
(A) 1 A
(B) 1.25 A
(C) 2.5 A
(D) 5 A
Option d – 5 A
The specific resistance of a conductor depends on its :
(A) Length
(B) Volume
(C) Material
(D) Diameter
Option c – Material
The current which is assumed to be flowing in a circuit from the +ve terminal to the -ve terminal is called :
(A) Direct current
(B) Wild-type current
(D) Conventional current
Option d – Conventional current
The carriers of electricity in a solid conductor are :
(A) Protons
(B) -ve ions
(C) +ve ions
(D) Electrons
Option d – Electrons
No current flows between two charged bodies when connected if they have the same :
(A) Capacity
(B) Potential
(C) Charge
(D) Area
Option b – Potential
When an electric field (E) is applied on the ends of a conductor, the free electrons start moving in the direction :
(A) Similar to E
(B) Opposite to E
(C) Perpendicular to E
(D) Cannot be predicated
Option b – Opposite to E
If an electron has no initial velocity in a direction different from that of an electric field, the path of the electron is :
(A) Straight line
(B) Parabolic
(C) Circular
(D) Elliptical
Option a – Straight line
Solubilities of gases are expressed in
1. Molarity
2. Weight percentage
3. Volume percentage
4. Absorption coefficients
Option 4 – Absorption coefficients
Copper sulphate is insoluble in
1. Kerosene
2. Benzene
3. Carbon tetra Chloride
4. All the above
Option 4 – All the above
Which of the following is ionic compound
1. Copper sulphate
2. Benzene
3. Kerosene
4. Carbon tetra chloride
Option 1 – Copper sulphate
Ionic compounds are
1. Polar in nature
2. Non-polar in nature
3. (1) and (2)
4. None of these
Option 1 – Polar in nature
Which of the following is polar solvent
1. Water
2. Alcohol
3. Ammonia
4. All the above
Option 4 – All the above
Which of the following is covalent compound
1. Benzene
2. Naphthalene
3. Kerosene
4. All the above
Option 4 – All the above
Covalent compounds are
1. Polar in nature
2. None-polar in nature
3. (1) and (2)
4. None of these
Option 2 – None-polar in nature
A polar compound dissolves in a
1. Polar solvent
2. None polar solvent
3. (1) and (2)
4. None of these
Option 1 – Polar solvent
Naphthalene dissolves in
1 : Kerosene
2. Carbon tetra Chloride
3. Benzene
4. All the above
Option 4 – All the above
The common name of sodium Thiosulphate is
1. Rock salt
2. Double salt
3. Morse salt
4. Нуро
Option 4 – Нуро
A solution containing maximum amount of solute in dissolved state is called
1. Un saturated solution
2. Saturated solution
3. Super saturated solution
4. None of these
Option 2 – Saturated solution
A solution in which the amount of solute is less than its solubility is called
1. Saturated solution
2. Super saturated solution
3. Un saturated solution
4. All the above
Option 3 – Un saturated solution
Which of the following is unstable
1. Saturated solution
2. Un saturated solution
3. Super saturated solution
4. None of these
Option 3 – Super saturated solution
Naphthalene is soluble in
1. Kerosene
2. Water
3. Ammonia
4. Alcohol
Option 1 – Kerosene
Sucrose dissolves in
1. Kerosene
2. Carbon tetrachloride
3. Water
4. Benzene
Option 3 – Water
A solution is a
1. Homogeneous mixture of 1 substance
2. Homogeneous mixture of 2 substance
3. Homogeneous mixture of 3 substance
4. Homogeneous mixture of 2 or more substances
Option 4 – Homogeneous mixture of 2 or more substances
The colour of copper sulphate solution is
1. Red
2. Blue
3. Green
4. Yellow
Option 2 – Blue
The physical properties are the same in any part of the solution the solution is called?
1. Homogeneous
2. Heterogeneous
3. Binary Solutions
4. Solvent
Option 1 – Homogeneous
Solubility of a substance depends on
1. Nature of solute
2. Nature of solvent
3. Temperature
4. All the above
Option 4 – All the above
The following component is present in solution
1. Solvent
2. Solute
3. Both (1) and (2)
4. None
Option 3 – Both (1) and (2)
Which of the following is taken less quantity in the preparation of solution
1. Solvent
2. Solute
3. (1) and (2)
4. None
Option 2 – Solute
In the solution comparatively large quantity component is
1. Solvent
2. Solute
3. (1) and (2)
4. None
Option 1 – Solvent
In sugar solution solute is
1. Water
2. Sugar
3. Air
4. None
Option 2 – Sugar
In sugar solution water is called
1. Solution
2. Solute
3. Solvent
4. (1) and (2)
Option 3 – Solvent
If the solvent used is water, the resultant solution is called
1. Solution
2. Homogeneous solution
3. Heterogeneous solution
4. Aqueous solution
Option 4 – Aqueous solution
2 grams of copper sulphate is added to 50 ml water Identify the solute
1. Copper sulphate
2. Water
3. (1) and (2)
4. None
Option 1 – Copper sulphate
10 gr of carbon dioxide is dissolved in one litre of water Identify the solvent
1. Carbon dioxide
2. Water
3. (1) and (2)
4. None
Option 2 – Water
Which one is the solute when 50 grams of alcohol is added to 50 grams of water
1. Water
2. Alcohol
3. (1) or (2)
4. (1) and (2)
Option 3 – (1) or (2)
Solubility is defined at constant temperature as
1. Amount of solute by weight in gram dissolved in 100 grams of solvent
2. Amount of solute by weight in grams dissolved in 1000 grams of solvent
3. Amount of solute by weight in grams dissolved in 100 ml of solvent
4. Amount of solute by weight in grams dissolved in 1 litre of solvent
Option 1 – Amount of solute by weight in gram dissolved in 100 grams of solvent
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