UPSC Environment & Ecology Questions

With reference to ‘fuel cells’ in which hydrogen-rich fuel and oxygen are used to generate electricity. Consider the following statements: 1. If pure hydrogen i…

With reference to ‘fly ash’ produced by the power plants using coal as fuel, which of the following statements is/are correct? 1. Fly ash can be used in the pro…

What is the Rio+20 Conference, often mentioned in the news?

Which of the following statements regarding 'Green Climate Fund' is/are correct? 1. It is intended to assist developing countries in adaptation and mitigation p…

Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances?

With reference to an organisation known as 'BirdLife International', which of the following statements is/are correct? 1. It is a Global Partnership of Conserva…

With reference to the International Union for Conservation of Nature and Natural Resource (IUCN) and the Convention of International Trade in Endangered Species…

Which one of the following National Parks has a climate that varies from tropical to subtropical, temperate, and arctic?

Which of the following National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity?

Which one of the following regions of India has a combination of mangrove forest, evergreen forest, and deciduous forest?

Which one of the following is the best description of the term 'ecosystem'?

With reference to technology for solar power production, consider the following statements: 1. 'Photovoltaics' is a technology that generates electricity by dir…

With reference to Neem tree, consider the following statements: 1. Neem oil can be used as a pesticide to control the proliferation of some species of insects a…

Other than poaching, what are the possible reasons for the decline in the population of Ganga River Dolphins? 1. Construction of dams and barrages on rivers. 2.…

Consider the following diseases: 1. Diphtheria 2. Chickenpox 3. Smallpox Which of the above diseases has/have been eradicated in India?

Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

Consider the following statements: 1. Maize can be used for the production of starch. 2. Oil extracted from maize can be a feedstock for biodiesel. 3. Alcoholic…

Which of the following statements is/are correct regarding vegetative propagation of plants? 1. Vegetative propagation produces a clonal population. 2. Vegetati…

With reference to technology for solar power production, consider the following statements: 1. 'Photovoltaics' is a technology that generates electricity by dir…

Consider the following techniques/phenomena: 1. Budding and grafting in fruit plants 2. Cytoplasmic male sterility 3. Gene silencing Which of the above is/are u…