From the point of view of evolution of living organisms, which one of the following is the correct sequence of evolution?
Subject: Environment
-
India is a party to the Ramsar Convention and has declared many areas as Ramsar Sites.
India is a party to the Ramsar Convention and has declared many areas as Ramsar Sites.
Which of the following statements best describes as to how we should maintain these sites in the context of the Convention. -
Other than Jatropha curcas, why is Pongamia pinnata also considered a good option for the production of biodiesel in India
Other than Jatropha curcas, why is Pongamia pinnata also considered a good option for the production of biodiesel in India?
1. Pongamia pinnata grows naturally in most of the arid regions of India
2. The seeds of Pongamia pinnata are rich in lipid content of which nearly half is oleic acid
Which of the statement given above is/are correct? -
Which feature of some species of blue green algae helps promoted them as bio-fertilizers
Which feature of some species of blue green algae helps promoted them as bio-fertilizers?
-
Which bacterial strain, developed from natural isolated by genetic manipulations, can be used for treating oil spills
Which bacterial strain, developed from natural isolated by genetic manipulations, can be used for treating oil spills?
-
The United Nations Framework Convention on Climate Change (UNFCCC) is and international treaty drawn at
The United Nations Framework Convention on Climate Change (UNFCCC) is and international treaty drawn at
-
Hydrogen fuel cell vehicles produce one of the following as ‘exhaust’
Hydrogen fuel cell vehicles produce one of the following as ‘exhaust’
-
A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop – Rat -Snake – Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following
A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is: Food crop – Rat -Snake – Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?
-
Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because
Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because
1. its escape into the outer stratosphere
2. the photosynthesis by phytoplankton in the oceans
3. the trapping of air in the polar ice caps.
Which of the statements given above is/are correct? -
In the Union Budget 2011-12, a full exemption from the basic customs duty was extended to the bio-based asphalt (bioasphalt). What is the importance of this material
In the Union Budget 2011-12, a full exemption from the basic customs duty was extended to the bio-based asphalt (bioasphalt). What is the importance of this material?
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?