SawaalBoxसवाल बॉक्स
2011 · Q61Environment & EcologyEcosystems & Ecology Conceptseasy

Biodiversity forms the basis for human existence in the following ways: 1. Soil formation 2. Prevention of soil erosion 3. Recycling of waste 4. Pollination of crops Select the correct answer using the codes given below:

  1. (a)1, 2 and 3 only
  2. (b)2, 3 and 4 only
  3. (c)1 and 4 only
  4. (d)1, 2, 3 and 4
Show answerHide answer

Official answer(d) 1, 2, 3 and 4

2026 · Q33Environment & EcologyEcosystems & Ecology Conceptsmoderate

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 :

  1. (a)1 only
  2. (b)1 and 2
  3. (c)2 and 3
  4. (d)3 only
Show answerHide answer

Official answer(d) 3 only

2023 · Q10Environment & EcologyEcosystems & Ecology Conceptseasy

With reference to India’s projects on connectivity, consider the following statements : 1. East-West Corridor under Golden Quadrilateral Project connects Dibrugarh and Surat. 2. Trilateral Highway connects Moreh in Manipur and Chiang Mai in Thailand via Myanmar. 3. Bangladesh-China-India-Myanmar Economic Corridor connects Varanasi in Uttar Pradesh with Kunming in China. How many of the above statements are correct?

  1. (a)Only one
  2. (b)Only two
  3. (c)All three
  4. (d)None
Show answerHide answer

Official answer(d) None