Q133. 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 Select the correct answer using the codes given below:

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

Despite having large reserves of coal, why does India import millions of tons of coal? 1. It is the policy of India to save its own coal reserves for the future

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 ‘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

Consider the following statements: 1. Coal sector was nationalised by the Government of India under Indira Gandhi. 2. Now, coal blocks are allocated on lottery

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

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

Which one of the following is the appropriate reason to considering the Gondwana rocks as most important of rock systems of India?

Biomass gasification is considered to be one of the sustainable solutions to the power crisis in India. In this context, which of the following statements is/ar

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

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

To meet its rapidly growing energy demand, some opine that India should pursue research and development on thorium as the future fuel of nuclear energy. In this

Consider the following statements : 1. In India, State Governments do not have the power to auction non-coal mines. 2. Andhra Pradesh and Jharkhand do not have

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 India, what is the role of the Coal Controller’s Organization (CCO)? 1. CCO is the major source of Coal Statistics in Government of India. 2. It monitors pr

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.

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

Which of the following adds nitrogen to the soil? (2013) 1. Excretion of urea by animals 2. Burning of coal by man 3. Death of vegetation Select the correct ans

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

In which of the following regions of India are shale gas resources found? 1. Cambay Basin 2. Cauvery Basin 3. Krishna-Godavari Basin Select the correct answer

What are the possible limitations of India in mitigating the global warming at present and in the immediate future? 1. Appropriate alternate technologies are no

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

What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farming. 2. When biochar is a part of the growing medi

Consider the following statements: 1. Natural gas occurs in the Gondwana beds. 2. Mica occurs in abundance in Kodarma. 3. Dharwars are famous for petroleum. Whi

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

What is/are the advantage/ advantages of zero tillage in agriculture? 1. Sowing of wheat is possible without burning the residue of the previous crop. 2. Withou

Consider the following statements : Statement-I : The atmosphere is heated more by incoming solar radiation than by terrestrial radiation. Statement-I

Consider the following statements : Statement-I : Thickness of the troposphere at the equator is much greater as compared to poles. Statement-II : At

Which of the following is/are correct inference/inferences from isothermal maps in the month of January? 1. The isotherms deviate to the north over th

Consider the following statements: Statement-I: Rainfall is one of the reasons for the weathering of rocks. Statement-II: Rain water contains carbon d

Consider the following : 1. Pyroclastic debris 2. Ash and dust 3. Nitrogen compounds 4. Sulphur compounds How many of the above are products of volcan

With reference to the Himalayan rivers joining the Ganga downstream of Prayagraj from West to East, which one of the following sequences is correct?

The longest border between any two countries in the world is between :

Consider the following statements : 1. The Red Sea receives very little precipitation in any form. 2. No water enters the Red Sea from rivers. Which o