Q69. With reference to furnace oil, consider the following statements: 1. It is a product of oil refineries. 2. Some industries use it to generate power. 3. Its use causes sulphur emissions into the environment. Which of the statements given above are correct?

Consider the following statements: 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen int

With reference to the usefulness of the byproducts of the sugar industry, which of the following statements is/are correct? 1. Bagasse can be used as biomass fu

Consider the following: 1. Carbon dioxide 2. Oxides of Nitrogen 3. Oxides of Sulphur Which of the above is/are the emission/emissions from coal combustion at th

With reference to chemical fertilisers in India, consider the following statements: 1. At present, the retail price of chemical fertilisers is market-driven and

Why is there a concern about copper smelting plants? 1. They may release lethal quantities of carbon monoxide into the environment. 2. The copper slag can cause

In the context of global oil prices, “Brent crude oil” is frequently referred to in the news. What does this term imply? 1. It is a major classification of cru

Consider the following statements: 1. Molasses is a by-product of the sugar production process. 2. Bagasse obtained in the sugar mills is used as a fuel in the

With reference to Neem tree, consider the following statements: 1. Neem oil can be used as a pesticide to control the proliferation of some species of insects a

Consider the following statements: 1. Agricultural soils release nitrogen oxides into the environment. 2. Cattle release ammonia into the environment. 3. Poultr

With reference to ‘palm oil’, consider the following statements: 1. The palm oil tree is native to Southeast Asia. 2. Palm oil is a raw material for some indust

Which of the following is/are the characteristic/characteristics of Indian coal ? 1. High ash content 2. Low sulphur content 3. Low ash fusion temperature Sele

With reference to ‘fly ash’ produced by the power plants using coal as fuel, which of the following statements is/are correct? 1. Fly ash can be used in the pro

Steel slag can be the material for which of the following? 1. Construction of base road 2. Improvement of agricultural soil 3. Production of cement Select the

With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements: 1. PF

Microbial fuel cells are considered a source of sustainable energy. Why? 1. They use living organisms as catalysts to generate electricity from certain substrat

Which of the following statements are correct about the deposits of ‘methane hydrate’? 1. Global warming might trigger the release of methane gas from these dep

In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be potential sites for ca

Consider the following statements : Coke is one of the materials of the charge added to blast furnaces for the production of steel/iron. Its function is to: 1.

Consider the following statements: 1. The Oil Pool Account of Government of India was dismantled with effect from 1-4-2002 2. Subsidies on PDS kerosene and dome

Consider the following which can be found in the ambient atmosphere: 1. Soot 2. Sulphur hexafluoride 3. Water vapour Which of the above contribute to the warmi

Consider the following statements regarding mercury pollution: (a) Gold mining activity is a source of mercury pollution in the world. (b) Coal-based thermal p

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 nat

Consider the following activities: 1. Spraying pesticides on a crop field 2. Inspecting the craters of active volcanoes 3. Collecting breath samples from spouti

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 i

Consider the following: 1. Carbon monoxide 2. Methane 3. Ozone 4. Sulphur dioxide Which of the above are released into the atmosphere due to the burning of crop

With reference to coal-based thermal power plants in India, consider the following statements: 1. None of them uses seawater. 2. None of them are set up in wate

Which of the following are some important pollutants released by the steel industry in India? 1. Oxides of sulphur 2. Oxide of nitrogen 3. Carbon monoxide 4. Ca

In the context of proposals to the use of hydrogen-enriched CNG (H-CNG) as fuel for buses in public transport, consider the following statements: 1. The main ad

Consider the following statements: 1. Maize can be used for the production of starch. 2. Oil extracted from maize can be a feedstock for biodiesel. 3. Alcoholic

Consider the following heavy industries: 1. Fertilizer plants 2. Oil refineries 3. Steel plants Green hydrogen is expected to play a significant role in decarb

With reference to agricultural soils, consider the following statements: 1. A high content of organic matter in soil drastically reduces its water holding capa

Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following? 1. Brakes o

The ‘Common Carbon Metric’, supported by UNEP, has been developed for (a) Assessing the carbon footprint of building operations around the world (b) E

What is blue carbon? (a) Carbon captured by oceans and coastal ecosystems (b) Carbon sequestered in forest biomass and agricultural soils (c) Carbon c

Which of the following are the reasons/factors for exposure to benzene pollution? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varn

According to India’s National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels? 1. Cassava 2. Da

Which one of the following statements best describes the term ‘Social Cost of Carbon’? It is a measure, in monetary value, of the: (a) long-term damag

In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint? 1.

In the context of which one of the following are the terms ‘pyrolysis and plasma gasification’ mentioned? (a) Extraction of rare earth elements (b) Na