Question 1
Sources of Energy
Which two plant nutrients can be present in biogas digestate?
Correct!
The answer is D, Nitrogen and phosphorus.
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Sources of Energy questions for CBSE X
Lakshyank has 57 Sources of Energy questions for CBSE X. Try a few below, then practise the rest free.
Question 2
Sources of Energy
What reaction supplies the Sun’s energy?
Correct!
The answer is D, Nuclear fusion.
Question 3
Sources of Energy
Which element is widely used as a semiconductor in solar cells?
Correct!
The answer is A, Silicon.
Question 4
Sources of Energy
Which social and ecological concerns can accompany large hydroelectric dams?
Correct!
The answer is B, Displacement,submerged habitats and altered river systems.
Question 5
Sources of Energy
Which sequence describes electricity generation in a typical thermal nuclear power system?
Correct!
The answer is A, Controlled fission heat→steam or working-fluid system→turbine→generator.
Question 6
Sources of Energy
Which set gives applications of photovoltaic panels?
Correct!
The answer is B, Satellites,remote electrical supply and suitable irrigation pumping.
Question 7
Sources of Energy
What is geothermal energy?
Correct!
The answer is D, Energy obtained from heat within Earth.
Question 8
Sources of Energy
Which benefit can biogas offer when produced and used well?
Correct!
The answer is A, Energy recovery from organic residues with relatively little visible smoke during suitable combustion.
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