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Sources of Energy - MCQ (with Solution), Class 10 Science

Introduction:
Sources of energy are essential for various activities in our daily lives. In Class 10 Science, students learn about different sources of energy and their characteristics. Multiple Choice Questions (MCQs) are a common assessment tool used to test students' understanding of the topic. Here are some MCQs related to sources of energy, along with their solutions.

MCQ 1:
Which of the following is a renewable source of energy?
a) Coal
b) Natural gas
c) Solar power
d) Uranium

Solution:
c) Solar power

Explanation:
Renewable sources of energy are those that can be replenished naturally. Solar power is derived from the sun's energy and is considered a renewable source. Coal, natural gas, and uranium are non-renewable sources of energy as they are finite and take millions of years to form.

MCQ 2:
Which of the following is a non-renewable source of energy?
a) Wind energy
b) Geothermal energy
c) Biomass energy
d) Fossil fuels

Solution:
d) Fossil fuels

Explanation:
Fossil fuels, such as coal, oil, and natural gas, are non-renewable sources of energy. They are formed from the remains of plants and animals buried deep within the Earth's crust over millions of years. Fossil fuels are finite resources and their extraction and usage contribute to environmental pollution and climate change.

MCQ 3:
Which of the following is an example of a secondary source of energy?
a) Wind energy
b) Solar energy
c) Nuclear energy
d) Electricity

Solution:
d) Electricity

Explanation:
Electricity is considered a secondary source of energy because it is derived from primary sources such as fossil fuels, nuclear energy, wind energy, and solar energy. Electricity is a versatile and widely used form of energy that powers various appliances and devices in our homes and industries.

MCQ 4:
Which of the following is an example of a renewable source of energy used for transportation?
a) Diesel
b) Petrol
c) CNG
d) Biofuel

Solution:
d) Biofuel

Explanation:
Biofuels, such as biodiesel and ethanol, are renewable sources of energy used for transportation. They are derived from organic materials like agricultural crops, waste vegetable oils, and algae. Biofuels are considered more environmentally friendly compared to fossil fuels as they have lower carbon emissions.

Conclusion:
Understanding the different sources of energy and their characteristics is crucial for Class 10 students studying Science. MCQs provide a useful tool for assessing their knowledge and comprehension of the topic. By practicing and answering such questions, students can enhance their understanding of various energy sources and their significance in our daily lives.