IAS 2025 — Environment & Ecology

Consider the following pairs : Plant | Description I. Cassava | : Woody shrub II. Ginger | : Herb with pseudostem III. Malabar spinach | : Herbaceous climber IV. Mint | : Annual shrub V. Papaya | : Woody shrub How many of the above pairs are correctly matched?

Consider the following statements : 1. Statement I : Article 6 of the Paris Agreement on climate change is frequently discussed in global discussions on sustainable development and climate change. 2. Statement II : Article 6 of the Paris Agreement on climate change sets out the principles of carbon markets. 3. Statement III : Article 6 of the Paris Agreement on climate change intends to promote inter-country non-market strategies to reach their climate targets. Which one of the following is correct in respect of the above statements?

The World Bank warned that India could become one of the first places where wet-bulb temperatures routinely exceed 35 °C. Which of the following statements best reflect(s) the implication of the above-said report? 1. Peninsular India will most likely suffer from flooding, tropical cyclones and droughts. 2. The survival of animals including humans will be affected as shedding of their body heat through perspiration becomes difficult.

Consider the following statements : 1. Carbon dioxide (CO2) emissions in India are less than 0·5 t CO2/capita. 2. In terms of CO2 emissions from fuel combustion, India ranks second in Asia-Pacific region. 3. Electricity and heat producers are the largest sources of CO2 emissions in India. Which of the statements given above is/are correct?

Consider the following statements : 1. Statement I : Circular economy reduces the emissions of greenhouse gases. 2. Statement II : Circular economy reduces the use of raw materials as inputs. 3. Statement III : Circular economy reduces wastage in the production process. Which one of the following is correct in respect of the above statements?

Regarding Peacock tarantula (Gooty tarantula), consider the following statements : 1. It is an omnivorous crustacean. 2. Its natural habitat in India is only limited to some forest areas. 3. In its natural habitat, it is an arboreal species. Which of the statements given above is/are correct?

With reference to the planet Earth, consider the following statements : 1. Rain forests produce more oxygen than that produced by oceans. 2. Marine phytoplankton and photosynthetic bacteria produce about 50% of world's oxygen. 3. Well-oxygenated surface water contains several folds higher oxygen than that in atmospheric air. Which of the statements given above is/are correct?

Consider the following statements : 1. Statement I : Of the two major ethanol producers in the world, i.e., Brazil and the United States of America, the former produces more ethanol than the latter. 2. Statement II : Unlike in the United States of America where corn is the principal feedstock for ethanol production, sugarcane is the principal feedstock for ethanol production in Brazil. Which one of the following is correct in respect of the above statements?

Artificial way of causing rainfall to reduce air pollution makes use of