Renewable Energy Multiple Choice Questions on “World Energy Status -1”.
1. Which of the following best describes world energy consumption?
a) Total energy produced and used by humanity
b) Total energy consumed by humanity
c) Total energy consumed by humans in the biological pyramid
d) Total energy produced by humans in the biological pyramid
Answer: a
Clarification: World energy consumption is the total energy produced and used by humanity. It includes all energy harnessed from every source.
2. Which of the following is NOT included in world energy consumption?
a) Solar energy
b) Energy from food
c) Energy from wind
d) Energy from fossil fuels
Answer: b
Clarification: Energy from food is not included in world energy consumption. Since the energy consumption from biomass is difficult to calculate, it has not been well-documented.
3. World energy consumption is measured _______
a) quarterly
b) half-yearly
c) yearly
d) every decade
Answer: c
Clarification: World energy consumption is generally measured year. It involves all energy harnessed from every possible energy source towards humanity’s endeavors.
4. Which of the following energy sources is majorly used?
a) Wind energy
b) Nuclear energy
c) Hydrogen energy
d) Fossil fuels
Answer: d
Clarification: Burning fossil fuels supplies more than 80 percent of world’s energy. It is the major cause of some of the world’s pressing problems like global warming and climate change.
5. Which of the following is perceived to contribute towards world population growth?
a) Uganda
b) USA
c) UK
d) Germany
Answer: a
Clarification: Developing countries like Uganda, Botswana, India, China, etc. are perceived to contribute towards immense growth of world population. This is because of poverty and high infant mortality rate.
6. Why is there a demand for renewable sources of energy?
a) Because they emit greenhouse gases
b) Because of low or zero carbon footprint
c) Because of the decreasing global temperatures
d) Because they are more efficient
Answer: b
Clarification: Renewable energy sources are required because they have zero or extremely low carbon footprint. Thus, greenhouse gas emissions from such sources are negligible as compared to fossil fuels.
7. As the population grows, the demand for energy ________
a) decreases
b) remains the same
c) increases
d) becomes volatile
Answer: c
Clarification: As world population increases, the demand for energy increases. This is because energy demand and consumption per capita increases.
8. Which of the following countries will experience a major increment in energy demand?
a) USA
b) France
c) UK
d) China
Answer: d
Clarification: China will experience a major increment in energy demand. China is the most populated country in the world and its population is expected to increase. Moreover, China is a developing country. Though the Chinese government have taken steps to curb the growth, catering to the demands of the existing population is extremely challenging.
9. Despite significant investments in renewable sector, why are fossil fuels still used?
a) Because of logistic, structural and operational issues
b) Because people do not trust the renewable sector
c) Because fossil fuels are cheap
d) Because global warming is a hoax