UPSC Environment & Ecology Questions

Consider the following: 1) Photosynthesis 2) Respiration 3) Decay of organic matter 4) Volcanic action Which of the above add carbon dioxide to the carbon cycle…

A sandy and saline area is the natural habitat of an Indian animal species. The animal has no predators in that area but its existence is threatened due to the …

La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino? 1) La Nina is characterized by unusually cold ocean tempe…

Consider the following which can be found in the ambient atmosphere: 1. Soot 2. Sulphur hexafluoride 3. Water vapour Which of the above contribute to the warmin…

King Cobra is the only snake that makes its own nest. Why does it make its nest?

Indiscriminate disposal of used fluorescent electric lamps causes mercury pollution in the environment. Why is mercury used in the manufacture of these lamps?

As a result of their annual survey, the National Geographic Society and an international polling firm GlobeScan gave India top rank in Greendex 2009 score. What…

In the context of space technology, what is "Bhuvan", recently in the news?

From the point of view of evolution of living organisms, which one of the following is the correct sequence of evolution?

With regard to the transmission of the Human Immunodeficiency Virus, which one of the following statements is not correct?

Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decreases. What causes thi…

Consider the following statements: 1. The Taxus tree naturally found in the Himalayas. 2. The Taxus tree is listed in the Red Data Book. 3. A drug called "taxol…

Consider the following statements : 1. Every individual in the population is equally susceptible host for Swine Flu. 2. Antibiotics have no role in the primary …

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…

Sustainable development is described as the development that meets the needs of the present without compromising the ability of future generations to meet their…

Consider the following pairs : Protected area Well-known for 1. Bhiterkanika, Orissa Salt Water Crocodile 2. Desert National Park, Rajasthan Great Indian Bustar…

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 main…

Given below are the names of four energy crops. Which one of them can be cultivated for ethanol?

Which one of the following reflects back more sunlight as compared to other three?

Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/reasons is this attributable? 1. The anaero…