• 1. The anaerobic conditions associated with rice cultivation cause the emission of methane. 
• 2. When nitrogen based fertilizers are used, nitrous oxide, is emitted from the cultivated soil. 

• 1. Bhiterkanika, Orissa                                                               Salt Water Crocodile 
• 2. Desert National Park,Rajasthan                                            Great Indian Bustard 
• 3. Eravikulam, Kerala                                                                  Hoolak Gibbon 

• 1. Appropriate alternate technologies are not sufficiently available.
• 2. India cannot invest huge funds in research and development.
• 3. Many developed countries have already set up their polluting industries in India.

Biosphere reserves are meant to 

Average annual rainfall of Kerala is about?

India will host the world Tiger Summit for the first time in 2010. The Summit will be organized in ______

Meteriology is the science of ..........

Contour bunding is a method of conservation used in

Which one of the following terms describes not only the physical space occupied by an organism, but also its functiona l role in the community of organisms?

Acid rain is caused by the pollution of environment by

With reference to food chains in ecosystems, consider the following statements :
1. A food chain illustrates the order in which a chain of organisms feed upon each other.
2. Food chains are found within the populations of a species.
3. A food chain illustrates the numbers of each organism which are eaten by others.

Which of the statements given above is / are correct?