IAS 2014 — Environment & Ecology

With reference to 'Eco-Sensitive Zones', which of the following statements is/are correct? 1. Eco-Sensitive Zones are the areas that are declared under the Wildlife (Protection) Act, 1972. 2. The purpose of the declaration of Eco-Sensitive Zones is to prohibit all kinds of human activities in those zones except agriculture. Select the correct answer using the code given below.

Consider the following statements: 1. Animal Welfare Board of India is established under the Environment (Protection) Act, 1986. 2. National Tiger Conservation Authority is a statutory body. 3. National Ganga River Basin Authority is chaired by the Prime Minister. Which of the statements given above is/are correct?

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 and mites. 2. Neem seeds are used in the manufacture of biofuels and hospital detergents. 3. Neem oil has applications in pharmaceutical industry. Which of the statements given above is/are correct?

With reference to Bombay Natural History Society (BNHS), consider the following statements: 1. It is an autonomous organization under the Ministry of Environment and Forests. 2. It strives to conserve nature through action-based research, education and public awareness. 3. It organizes and conducts nature trails and camps for the general public. Which of the statements given above is/are correct?

If a wetland of international importance is brought under the 'Montreux Record', what does it imply?

Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth? 1. Volcanic action 2. Respiration 3. Photosynthesis 4. Decay of organic matter Select the correct answer using the code given below.

What are the significances of a practical approach to sugarcane production known as 'Sustainable Sugarcane Initiative'? 1. Seed cost is very low in this compared to the conventional method of cultivation. 2. Drip irrigation can be practiced very effectively in this. 3. There is no application of chemical/inorganic fertilizers at all in this. 4. The scope for intercropping is more in this compared to the conventional method of cultivation. Select the correct answer using the code given below.

Brominated flame retardants are used in many household products like mattresses and upholstery. Why is there some concern about their use? 1. They are highly resistant to degradation in the environment. 2. They are able to accumulate in humans and animals. Select the correct answer using the code given below.

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

What are the benefits of implementing the 'Integrated Watershed Development Programme'? 1. Prevention of soil runoff 2. Linking the country's perennial rivers with seasonal rivers 3. Rainwater harvesting and recharge of groundwater table 4. Regeneration of natural vegetation Select the correct answer using the code given below.

The most important strategy for the conservation of biodiversity together with traditional human life is the establishment of

Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins? 1. Construction of dams and barrages on rivers 2. Increase in the population of crocodiles in rivers 3. Getting trapped in fishing nets accidentally 4. Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers Select the correct answer using the code given below.

Which one of the following is the correct sequence of a food chain?

Which of the following have coral reefs? 1. Andaman and Nicobar Islands 2. Gulf of Kachchh 3. Gulf of Mannar 4. Sunderbans Select the correct answer using the code given below.

If you walk through countryside, you are likely to see some birds stalking alongside the cattle to seize the insects disturbed by their movement through grasses. Which of the following is/are such bird/birds? 1. Painted Stork 2. Common Myna 3. Black-necked Crane Select the correct answer using the code given below.

The scientific view is that the increase in global temperature should not exceed 2 °C above pre-industrial level. If the global temperature increases beyond 3 °C above the pre-industrial level, what can be its possible impact/impacts on the world? 1. Terrestrial biosphere tends toward a net carbon source. 2. Widespread coral mortality will occur. 3. All the global wetlands will permanently disappear. 4. Cultivation of cereals will not be possible anywhere in the world. Select the correct answer using the code given below.

Consider the following international agreements: 1. The International Treaty on Plant Genetic Resources for Food and Agriculture 2. The United Nations Convention to Combat Desertification 3. The World Heritage Convention Which of the above has/have a bearing on the biodiversity?