Collection of verified questions for Urja Evam Urja Sansadhan under Environment & Ecology. Includes previous year exam questions with official answer keys and step-by-step solutions.
In which of the following regions of India have geothermal energy sources not been found?
Match List-I with List-II and select the correct answer using the codes given below: List-I List-II A. Minerals 1. Rainfall B. Solar energy 2. Methane and carbon dioxide C. Biogas 3. Exhaustible D. Deforestation 4. Inexhaustible
Conventional energy sources are-
Assertion (A): Coal-based thermal power stations contribute to acid rain. Reason (R): Oxides of carbon are emitted when coal burns. Code:
Which of the following fuels causes minimum environmental pollution?
Which of the following fuels produces minimum environmental pollution?
Which of the following statements is not correct with reference to compost?
Four energy crops are mentioned below. Which one of them can be cultivated for ethanol production?
Which was the first Indian airline company to use bio-fuel as Aviation Turbine Fuel (ATF) in August 2018?
Which of the following is a biodiesel crop?
As of March 2023, which of these states had the highest installed capacity of solar energy in India?
Which of the following fuels will cause the minimum environmental pollution?
Which of the following is a source of green fuel?
With reference to green hydrogen, consider the following statements: 1. It can be used directly as a fuel for internal combustion. 2. It can be blended with natural gas and used as fuel for heat or power generation. 3. It can be used in the hydrogen fuel cell to run vehicles. How many of the above statements are correct?
With reference to 'Fuel Cells' in which hydrogen-rich fuel and oxygen are used to generate electricity, consider the following statements: 1. If pure hydrogen is used as fuel, the fuel cell emits heat and water as by-products. 2. Fuel cells can be used for powering buildings, but not for small devices like laptop computers. 3. Fuel cells produce electricity in the form of Alternating Current (AC). Which of the statements given above is/are correct?
Biomass gasification is considered one of the sustainable solutions to India's energy crisis. In this context, which of the following statements is/are correct? 1. Coconut shells, groundnut shells and rice husk can be used for biomass gasification. 2. The combustible gases generated consist only of hydrogen and carbon dioxide. 3. The combustible gases can be used directly for heat generation, but not in internal combustion engines. Select the correct answer using the code given below:
Why is Pongamia pinnata considered a viable alternative to Jatropha curcas for the production of biodiesel in India? 1. Pongamia pinnata grows naturally in most of the arid regions of India. 2. The seeds of Pongamia pinnata are rich in lipid content of which nearly half is oleic acid. Which of the statements given above is/are correct?
Which of the following statements is not true regarding biofuels?
Microbial fuel cells (MFCs) are considered a source of sustainable energy. Why? 1. They utilize living organisms as catalysts to generate electricity from certain substrates. 2. They use a variety of inorganic materials as substrates. 3. They can be installed in wastewater treatment plants to cleanse water and produce electricity. Which of the statements given above is/are correct?
The Secretariat of the International Solar Alliance (ISA) is currently located at which of the following places?
Consider the following statements: 1. Gujarat has the largest solar park in India. 2. Kerala has a fully solar-powered international airport. 3. Goa has the largest floating solar photovoltaic project in India. Which of the statements given above is/are correct?
What target of solar power capacity did the Government of India set to achieve by the year 2022?
Which of the following smart cities has become India's first city to run on 100% renewable energy during daytime?
Which district became the first district in India to have 100% solar-powered primary health centres?
In the Union Budget 2011-12, full exemption from basic customs duty was extended to bio-asphalt. What is the importance of this material? 1. Unlike traditional asphalt, bio-asphalt is not based on fossil fuels. 2. Bio-asphalt can be made from non-renewable resources. 3. Bio-asphalt can be made from organic waste materials. 4. It is eco-friendly to use bio-asphalt for surfacing roads. Which of the statements given above are correct?