In the union budget 2011-12, a full exemption from the basic customs duty was extended to the bio-based asphalt (asphalt).What is the importance of these materials?
1. Unlike traditional asphalt, bio-asphalt is not based on fossil fuels.
2. Bioasphalt can be made from non-renewable resources.
3. Bioasphalt can be made from organic waste materials.
4. It is eco-friendly to use bioasphalt for surfacing of the roads.
Which of the statements given above are correct?
Consider the following :
1. Carbon dioxide
2. Oxides of nitrogen
3. Oxide of sulphur
Which of the above is/are the emission/emissions from coal combustion at thermal power plants?
Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be such an orbit when:
1. The orbit is geosynchronous.
2. The orbit is circular.
3. The orbit lies in the plane of the earth's equator.
4. The orbit is at an altitude of 22,236 km.
Select the correct answer using the codes given below:
India has experienced persistent and high food inflation in the recent past. What could be the reasons?
1. Due to a gradual switchover to the cultivation of commercial crops, the area under the cultivation of food grains has steadily decreased in the last years by about 30%.
2. As a consequence of increasing income, the consumption patterns of the people have undergone a significant change.
3. The food supply chain has structural change.
Which of the statements given above are correct?
At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us?
1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?
Microbial fuel cells are considered a source of sustainable energy. Why?
1. They use living organisms as catalysts to generate electricity from certain substances.
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?
Consider the following actions that the government can take:
1. Devaluing the domestic currency.
2. Reduction in the export subsidy.
3. Adopting suitable policies that attract greater FDI and more funds from FIIs.
Which of the above action/actions can help in reducing the current account deficit?
