Environment Ecology

Q181.In atmosphere, the highest percentage is of

Q182.Which of the following statements are true regarding the members of the Asia Pacific Partnership? 1. Their population account to 45% of the world’s population. 2. They consume the world’s 48% of energy. 3. They contribute nearly 48% of the world’s greenhouse gases. 4. They intend to support the Kyoto Protocol. Select the correct answer from the code given below.

Q183.Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statement(s) is/are correct? 1. Coconut shells, groundnut shells and rice husk can be used in biomass gasification. 2. The combustible gases generated from biomass gasification consist of hydrogen and carbon dioxide only. 3. The combustible gases generated from biomass gasification can be used for direct heat generation but not in internal combustion engines. Select the correct answer using the codes given below.

Q184.The highest percentage of gas in the air is

Q185.Consider the following statements. 1. Kyoto Protocol came into force in the year 2005. 2. Kyoto Protocol deals primarily with the depletion of the ozone layer. 3. Methane as a greenhouse gas is more harmful than carbon dioxide. Which of the statements given above is/are correct?

Q186.Consider the following statements. 1. The International Solar Alliance was launched at the United Nations Climate Change Conference in 2015. 2. The Alliance includes all the member countries of the United Nations. Which of the statements given above is/are correct?

Q187.If all the plants and trees vanish from the earth, the gas which will decrease is

Q188.Which one of the following is not correctly matched? Greenhouse Gas Source

Q189.Concerning ‘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 a fuel, the fuel cell emits heat and water as a by-product. 2. Fuel cells can be used for powering buildings and 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?

Q190.Which of the following is not a function of the tree?

Q191.As a result of global warming, there has been 1. Better global communication 2. Melting of glaciers 3. Flowering of mango trees before times 4. Adverse impact on health Select your answer from the code given below.

Q192.Assertion (A): Coal-based thermal power stations contribute to acid rain. Reason (R): Oxides of carbon are emitted when coal burns.

Q193.Which of the following does not add the carbon dioxide to carbon cycle on the planet Earth?

Q194.Which of the following conditions indicate the impact of global warming? 1. Melting of glaciers 2. Rise in sea level 3. Changes in weather conditions 4. Rise in global temperature Select the correct answer from the code given below. Code

Q195.Microbial fuel cells are considered a source of sustainable energy. Why? 1. They use 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 waste water treatment plants to cleanse water and produce electricity. Which of the statements given above is/are correct?

Q196.The concept of weathering relates to

Q197.Consider the following. 1. Rice fields 2. Coal mining 3. Domestic animals 4. Wetlands Which of the above is a source of methane, a major greenhouse gas?

Q198.It is possible to produce algae based bio-fuels, but what is/are the likely limitations of developing countries in promoting this industry? 1. Production of algae based biofuels is possible in seas only and not on continents. 2. Setting up and engineering the algae based bio-fuel production requires high level of expertise/technology until the construction is completed. 3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns. Select the correct answer using the code given below.

Q199.The headquarter of World Meteorological Organization is located at

Q200.Consider the following statements regarding ‘Earth Hour’. 1. It is an intiative of UNEP and UNESCO. 2. It is a movement in which the participants switch off the lights for one hour on a certain day every year. 3. It is a movement to raise the awareness about the climate change and the need to save the planet. Which of the statements given above is/are correct?