Q291. Consider the following statements: At the present level of technology available in India, solar energy can be conveniently used to: 1. Supply hot water to residential buildings. 2. Supply water for minor irrigation projects. 3. Provide street lighting. 4. Electrify a cluster of villages and small towns. Of these statements

With reference to solar water pumps, consider the following statements: 1. Solar power can be used for running surface pumps and not for submersible pumps. 2. S

With reference to technology for solar power production, consider the following statements: 1. Photovoltaics is a technology that generates electricity by direc

Consider the following statements regarding power sector in India : 1. The installed capacity of power generation is around 95000 MW 2. Nuclear plants contribut

If the National Water Mission is properly and completely implemented, how will it impact the country? 1. Part of the water needs of urban areas will be met thr

Consider the following statements: Hard water is not suitable for: 1. Drinking 2. washing clothes with soap 3. use in boilers 4. irrigating crops Which of these

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 la

With reference to Indian satellites and their launchers, consider the following statements: 1. All the INSAT series of satellites were launched abroad. 2. PSLVs

Consider the following statements: 1. Ocean currents are slow-surface movement of water in the ocean. 2. Ocean currents assist in maintaining the Earth’s heat b

Consider the following statements: The satellite Oceansat-2 launched by India helps in 1. estimating the water vapour content in the atmosphere. 2. predicting t

Consider the following statements regarding environmental issues in India : (a) Gulf of Mannar is one of the biosphere reserves (b) The Ganga Action Plan, phase

‘Net metering’ is sometimes seen in the news in the context of promoting the: (a) Production and use of solar energy by the households/consumers (b) Use of pipe

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 statement: India continues to be dependent on imports to meet the requirement of oilseeds in the country because: 1. Farmers prefer to gr

With reference to solar power production in India, consider the following statements: 1. India is the third largest in the world in the manufacture of silicon w

Consider the following statements: If there were no phenomenon of capillarity 1. It would be difficult to use a kerosene lamp. 2. One would not be able to use a

With reference to the latest developments in stem cell research, consider the following statements 1. The only source of human stem cells are the embryos at bla

Microfinance is the provision of financial services to people of low-income groups. This includes both the consumers and the self-employed. The service/services

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

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

‘RNA interference (RNAi)’ technology has gained popularity in the last few years. Why? 1. It is used in developing gene-silencing therapies. 2. It can be used i

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

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

Other than resistance to pests, what are the prospects for which genetically engineered plants have been created? 1. To enable them to withstand drought. 2. To

Consider the following statements in respect of a jet engine and a rocket: 1. A jet engine uses the surrounding air for its oxygen supply and so is un

Consider the following statements in respect of India advanced satellite INSAT–4A: 1. INSAT-4A was launched in December, 2005 from New Mexico. 2. The

A ‘black hole’ is a body in space which does not allow any radiation to come out. This property is due to its:

The tail of a comet is directed away from the sun because:

Consider the following statements: A person in a spaceship located half way between the earth and the sun will notice that the: (1) The sky is jet bla

"Membrane Bioreactors" are often discussed in the context of:

Which one of the following is synthesised in the human body that dilates blood vessels and increases blood flow?

Consider the following activities: 1. Identification of narcotics on passengers at airports or in aircraft 2. Monitoring of precipitation 3. Tracking