Environment & Ecology PYQ

Consider the following statements about Rhynchostylis retusa (Foxtail orchid): 1. It is an epiphytic orchid. 2. The species is endemic to North-east India. 3. It is the State flower of Arunachal Pradesh and Assam. Which of the statements given above is/are correct?

Which one of the following is the first Plan Vivo certified Reducing Emissions from Deforestation and Forest Degradation (REDD+) project in India?

Which of the following best explain(s) the rationale for protecting mangrove ecosystems in the context of climate resilience? 1. Mangroves reduce tidal energy and store freshwater, making them ideal sites for paddy cultivation in saline estuarine belts. 2. Their salt-sensitive roots filter seawater, making mangroves key to converting coastal land into freshwater aquaculture zones. 3. By withstanding tidal surges and offering biomass resources, mangroves function both as natural bio-shields and livelihood bases for rural communities. Select the answer using the code given below :

With respect to the Western Hoolock Gibbons, which of the following statements is/are correct? 1. A Sanctuary in North-east India is home to this ape species listed as Endangered in the International Union for Conservation of Nature (IUCN) Red List. 2. They have specialized brachiation and can easily swing between trees. 3. They possess a strong and heavy build like gorillas, yet are remarkably agile tree climbers. Select the answer using the code given below :

Which of the following statements with regard to the arrival of Amur Falcons at Doyang Lake in Nagaland each year from Mongolia is/are correct? 1. It showcases how sustained local conservation efforts can contribute to the arrival and protection of international migratory birds. 2. It reflects the global success of advanced tracking technologies that guide migratory birds back to their stopover sites. 3. It confirms that Amur Falcons have adapted to permanent residency in India due to favourable habitat changes. Select the answer using the code given below :

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

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?

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?

With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements : 1. PFAS are found to be widespread in drinking water, food and food packaging materials. 2. PFAS are not easily degraded in the environment. 3. Persistent exposure to PFAS can lead to bioaccumulation in animal bodies. Which of the statements given above are correct ?

Consider the following plants : 1. Groundnut 2. Horse-gram 3. Soybean How many of the above belong to the pea family ?

One of the following regions has the world's largest tropical peatland, which holds about three years worth of global carbon emissions from fossil fuels; and the possible destruction of which can exert detrimental effect on the global climate. Which one of the following denotes that region ?

According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions ?

Consider the following statements : 1. Lions do not have a particular breeding season. 2. Unlike most other big cats, cheetahs do not roar. 3. Unlike male lions, male leopards do not proclaim their territory by scent marking. Which of the statements given above are correct ?

Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree ?

Consider the following : 1. Cashew 2. Papaya 3. Red sanders How many of the above trees are actually native to India ?

Consider the following statements : 1. Statement-I : Many chewing gums found in the market are considered a source of environmental pollution. 2. Statement-II : Many chewing gums contain plastic as gum base. Which one of the following is correct in respect of the above statements ?

Consider the following : 1. Butterflies 2. Fish 3. Frogs How many of the above have poisonous species among them ?

Consider the following statements : 1. Statement-I : The Indian Flying Fox is placed under the "vermin" category in the Wild Life (Protection) Act, 1972. 2. Statement-II : The Indian Flying Fox feeds on the blood of other animals. Which one of the following is correct in respect of the above statements ?