Preparing for entrance exams requires a comprehensive understanding of the subject matter and thorough practice. For those aspiring to pursue a Bachelor of Education (B.Ed) in Odisha, mastering the fundamentals of Physical Science is crucial. To aid in your preparation, here are the top 30 Multiple Choice Questions (MCQs) in Physical Science tailored for the Odisha B.Ed Entrance Exam:
Top 30 Physical Science MCQs For Odisha B.Ed Entrance Exam
- Which subatomic particle has a negative charge?
(a) Proton
(b) Neutron
(c) Electron
(d) Nucleus
Ans. (c) Electron - What is the smallest unit of an element that retains the properties of that element?
(a) Molecule
(b) Atom
(c) Ion
(d) Compound
Ans. (b) Atom - Which of the following elements is classified as a noble gas?
(a) Oxygen
(b) Nitrogen
(c) Argon
(d) Carbon
Ans. (c) Argon - In the periodic table, elements in the same group have:
(a) The same number of protons
(b) Similar chemical properties
(c) The same number of neutrons
(d) The same atomic mass
Ans. (b) Similar chemical properties - The atomic number of an element is determined by the number of:
(a) Electrons
(b) Protons
(c) Neutrons
(d) Isotopes
Ans. (b) Protons - What type of reaction is represented by the equation 2H2+O2=2H2O
(a) Decomposition
(b) Combustion
(c) Combination
(d) Displacement
Ans. (c) Combination - In a balanced chemical equation, the number of atoms of each element on the reactant side must be:
(a) Equal to the number of molecules on the product side
(b) Less than the number of atoms on the product side
(c) Equal to the number of atoms on the product side
(d) More than the number of atoms on the product side
Ans. (c) Equal to the number of atoms on the product side - Which of the following is a sign of a chemical reaction?
(a) Change in temperature
(b) Formation of a gas
(c) Color change
(d) All of the above
Ans. (d) All of the above - What is the product of a neutralization reaction?
(a) Salt and water
(b) Acid and base
(c) Oxygen and hydrogen
(d) Carbon dioxide and water
Ans. (a) Salt and water - According to Newton’s first law of motion, an object at rest will stay at rest unless acted upon by:
(a) A strong force
(b) An external force
(c) A weak force
(d) A balanced force
Ans. (b) An external force - What is the unit of force in the International System of Units (SI)?
(a) Joule
(b) Newton
(c) Pascal
(d) Watt
Ans. (b) Newton - Work is defined as:
(a) Force divided by distance
(b) Force multiplied by distance
(c) Force plus distance
(d) Distance divided by force
Ans. (b) Force multiplied by distance - The ability to do work is known as:
(a) Power
(b) Energy
(c) Momentum
(d) Pressure
Ans. (b) Energy - Pressure is measured in:
(a) Newton
(b) Joule
(c) Pascal
(d) Watt
Ans. (c) Pascal - The potential difference between two points in an electric circuit is measured in:
(a) Amperes
(b) Volts
(c) Ohms
(d) Coulombs
Ans. (b) Volts - The flow of electric charge is known as:
(a) Voltage
(b) Resistance
(c) Electric current
(d) Capacitance
Ans. (c) Electric current - A magnetic field around a current-carrying conductor is:
(a) Circular
(b) Straight
(c) Rectangular
(d) Triangular
Ans. (a) Circular - Lines of force in a magnetic field represent:
(a) The strength and direction of the field
(b) The amount of charge
(c) The speed of current
(d) The resistance in the field
Ans. (a) The strength and direction of the field - Electro-magnetic induction is the process of generating:
(a) Electric current from a magnetic field
(b) Magnetic field from electric current
(c) Heat from electric current
(d) Light from a magnetic field
Ans. (a) Electric current from a magnetic field - Heat transfer from one place to another without the movement of particles is called:
(a) Conduction
(b) Convection
(c) Radiation
(d) Induction
Ans. (c) Radiation - The phenomenon of light bending as it passes from one medium to another is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Dispersion
Ans. (b) Refraction - Sound cannot travel through:
(a) Solid
(b) Liquid
(c) Gas
(d) Vacuum
Ans. (d) Vacuum - The speed of light in a vacuum is approximately:
(a) 300,000 m/s
(b) 300,000 km/s
(c) 300,000 cm/s
(d) 300,000 mm/s
Ans. (b) 300,000 km/s - The process of heat transfer in fluids by the movement of particles is called:
(a) Conduction
(b) Convection
(c) Radiation
(d) Insulation
Ans. (b) Convection - Which of the following is a non-luminous object?
(a) Sun
(b) Moon
(c) Candle
(d) Bulb
Ans. (b) Moon - Echoes are produced due to:
(a) Reflection of sound
(b) Refraction of sound
(c) Diffraction of sound
(d) Absorption of sound
Ans. (a) Reflection of sound - The phenomenon of splitting of white light into its constituent colors is called:
(a) Reflection
(b) Refraction
(c) Dispersion
(d) Diffraction
Ans. (c) Dispersion - The pitch of a sound is determined by its:
(a) Amplitude
(b) Frequency
(c) Speed
(d) Wavelength
Ans. (b) Frequency - What is the value of acceleration due to gravity?
(a) Minimum at equator and maximum at poles
(b) Maximum at equator and minimum at poles
(c) Equal at poles and equator
(d) None of the above
Ans. (a) Minimum at equator and maximum at poles - The inertia of an object depend on which of the following criteria?
(a) Bulk
(b) Size
(c) Shape
(d) Mass
Ans. (d) Mass
