IAS 2017 — Environment & Ecology

Biological Oxygen Demand (BOD) is a standard criterion for

In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation technique ? 1. It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature. 2. Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using microorganisms. 3. Genetic engineering can be used to create microorganisms specifically designed for bioremediation. Select the correct answer using the code given below :

Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences ? 1. Pollination of some plants could be adversely affected. 2. There could be a drastic increase in the fungal infections of some cultivated plants. 3. It could lead to a fall in the population of some species of wasps, spiders and birds. Select the correct answer using the code given below :

With reference to 'Global Climate Change Alliance', which of the following statements is/are correct? 1. It is an initiative of the European Union. 2. It provides technical and financial support to targeted developing countries to integrate climate change into their development policies and budgets. 3. It is coordinated by World Resources Institute (WRI) and World Business Council for Sustainable Development (WBCSD). Select the correct answer using the code given below :

If you want to see gharials in their natural habitat, which one of the following is the best place to visit ?

In India, if a species of tortoise is declared protected under Schedule I of the Wildlife (Protection) Act, 1972, what does it imply ?

From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats ?

In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be the potential sites for carbon sequestration ? 1. Abandoned and uneconomic coal seams 2. Depleted oil and gas reservoirs 3. Subterranean deep saline formations Select the correct answer using the code given below :

The term 'M-STrIPES' is sometimes seen in the news in the context of

Consider the following statements in respect of Trade Related Analysis of Fauna and Flora in Commerce (TRAFFIC) : 1. TRAFFIC is a bureau under United Nations Environment Programme (UNEP). 2. The mission of TRAFFIC is to ensure that trade in wild plants and animals is not a threat to the conservation of nature. Which of the above statements is/are correct ?

According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except under some provisions provided by law ? 1. Gharial 2. Indian wild ass 3. Wild buffalo Select the correct answer using the code given below :

It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry ? 1. Production of algae based biofuels is possible in seas only and not on continents. 2. Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed. 3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns.