MCQ Questions | Class 10 Science Chapter 14 | Sources of Energy with Answers

MCQ | Class 10 Science Chapter 14 | Sources of Energy Set A

Check the below NCERT MCQ Questions for Class 10 Science Chapter 14 Sources of Energy with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Sources of Energy Class 10 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | Science Class 10 Chapter 14

NCERT Solutions Class 10 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	10th
Subject:	Science
Chapter:	14
Chapters Name:	Sources of Energy
Medium:	English

Class 10th Science Book | Objective Type Questions

You can refer to NCERT Solutions for Class 10 Science Chapter 14 Sources of Energy to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Sources of Energy | Class 10 Science | NCERT Solutions

Q1.	Assertion: Fuel has to be burnt to obtain heat energy. Reason: The minimum temperature to which a fuel must be heated so that it may catch fire and start burning is known as ignition temperature.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.

Ans: Both A and R are true but R is not the correct explanation of A.

Q2.	Assertion: The major constituent of biogas is methane. Reason: Biogas is produced by the aerobic degradation by animal wastes like cow ding in the presence of water.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.

Ans: A is true but R is false.

Q3.	Biogas is formed in the
	A. presence of air only
	B. presence of water only
	C. absence of air only
	D. presence of water and absence of air

Ans: presence of water and absence of air

Q4.	Biogas is a better fuel than animal dung cake because
	A. biogas has lower calorific value.
	B. animal dung cake has high calorific value
	C. biogas bums smoke and leaves no residue
	D. biogas is used as a fuel for cooking only wheareas dung cake can be used for cooking, illuminant the lanterns.

Ans: biogas bums smoke and leaves no residue

Q5.	Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun’s energy?
	A. geothermal energy
	B. wind energy
	C. nuclear energy
	D. bio-mass

Ans: nuclear energy

Q6.	The working fluid in ocean thermal power plant is
	A. Volatile liquid like ammonia
	B. petrol
	C. charcoal
	D. liquified petroleum gas

Ans: Volatile liquid like ammonia

Q7.	Ocean thermal energy is produced due to
	A. pressure difference at different levels in the ocean.
	B. temperature difference at different levels in the ocean.
	C. energy stored by waves in the ocean.
	D. tides rising out of the ocean.

Ans: temperature difference at different levels in the ocean.

Q8.	A device in which electricity is produced by the process of controlled nuclear fission reaction is called
	A. nuclear chain reaction
	B. hydel power plant
	C. nuclear reactor
	D. thermal power plant

Ans: nuclear reactor

Q9.	India exploded her first underground nuclear device at
	A. Ranchi
	B. Kota
	C. Jaipur
	D. Pokhran

Ans: Pokhran

Q10.	Fusion reaction is also known as
	A. chemical reaction
	B. elastic scattering
	C. thermonuclear reaction
	D. photo nuclear reaction

Ans: thermonuclear reaction

Q11.	A good fuel should possess
	A. high ignition temperature
	B. moderate ignition temperature
	C. high calorific value
	D. both high calorific value and moderate ignition temperature

Ans: both high calorific value and moderate ignition temperature

Q12.	Geothermal energy is
	A. Heat energy in the interior of earth
	B. energy of molten mars exists in the farm of magma inside the earth.
	C. molten lava on the surface of earth
	D. energy obtained from solar thermal electric plants

Ans: molten lava on the surface of earth

Q13.	Tidal energy is harnessed by constructing a dam across
	A. narrow opening to the sea
	B. wide opening to the sea
	C. the river in hilly trains
	D. the river in plane areas