UPSC Prelims 2022 Environment & Ecology

Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide?

The "Miyawaki method" is well known for the:

Consider the following; 1. Carbon monoxide 2. Nitrogen oxide 3. Ozone 4. Sulphur dioxide Excess of which of the above in the environment is/are the cause(s) ...

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 ...

"Biorock technology" is talked about in which one of the following situations?

With reference to Indian laws about wildlife protection, consider the following statements: 1. Wild animals are the sole property of the government. 2. When ...

Which one of the following best describes the term "greenwashing"?

Consider the following pairs: Wetland/Lake - Location 1. Hokera Wetland - Punjab 2. Renuka Wetland - Himachal Pradesh 3. Rudrasagar Lake - Tripura 4. Sastham...

Which one of the following lakes of West Africa has become dry and turned into a desert?

Consider the following statements: 1. "The Climate Group" is an international non-profit organization that drives climate action by building large networks a...

In the context of WHO Air Quality Guidelines, consider the following statements: 1. The 24-hour mean of PM2.5 should not exceed 15 ug/m³ and annual mean of P...

"If rainforests and tropical forests are the lungs of the Earth, then surely wetlands function as its kidneys." Which one of the following functions of wetla...