Environment & Ecology - MOST IMPORTANT CDS Previous Year Questions

Which one of the following statements about the National Green Tribunal is not correct?

'Rio + 20' is the short name for

The concept of sustainable development relates to

The largest barrier reef system in the world is found at

Which one among the following is not a coral reef island?

Which one among the following groups of items contains only biodegradable items?

Which one of the following Biosphere Reserves is spread over three states in India?

Which one of the following statements on biosphere reserves is not correct?

A biological community in its environment such as a pond, an ocean, a forest, even an aquarium is known as:

Energy and nutrients flow from one trophic level to another in an ecosystem. Which one of the following statements correctly describes the direction of flow of energy and nutrients in as ecosystem?

Food chain is

Which one among the following statements is not correct?

Long-Term Low Emissions Development Strategy envisions: 1. a transition from fossil fuels in a just, smooth, sustainable manner. 2. increased use of bio-fuels. 3. climate resistant urban development. 4. financing of sustainable development through Green Bonds. Select the answer using the code given below:

The use of plastics has led to a number of environment-related problems. For this, which one of the following statements is correct?

Which one of the following is not biodegradable?

Which one among the following industries produces the most non-biodegradable wastes?

Which one of the following is the most important factor for the formulation of smog?

Which one of the following plants is popularly grown along the road for absorbing vehicular pollutants?

Match List I with List II and select the correct answer using the code given below the Lists: List I (Air Pollutant) A. Chlorofluorocarbon B. Sulphur dioxide C. Lead compound D. Carbon dioxide List II (Effect) 1. Acid rain 2. Depletion of ozone layer in the atmosphere 3. Harmful for human nervous system 4. Topmost contribution to greenhouse effect

The variability among living organisms from all sources including terrestrial, marine and other ecosystems and the ecological complexes of which they are part which includes diversity within species, between species of ecosystems refers to: