Environment and Ecology questions with answers

2,222 multiple-choice questions. Open any question for its answer and explanation.

Questions asked in State PSC and UPSC prelims, by topic. Each topic also has notes to read.

26. Generally, environment can be classified as following categories. Which among the following is NOT a part of such category?Asked in UPPCS Prelims 2020
27. Which of the following is NOT correctly matched?Asked in UPPCS Prelims 2021
28. Given below are two statements, one is labelled as Assertion (A) and other as Reason (R) - Assertion (A) - Population control is necessary to maintain the environment of the country. Reason (R) - Due to the rapid increase in population, the environmental balance is maintained. Select the correct answer using the code given below -Asked in UPPCS Prelims 2023
29. Which one of the following is NOT correct about organic farming ?Asked in UPSC CAPF 2017
30. With reference to the circumstances in Indian agriculture, the concept of 'Conservation Agriculture' assumes significance. Which of the following fall under the Conservation Agriculture ? 1. Avoiding the monoculture practices 2. Adopting minimum tillage 3. Avoiding the cultivation of plantation crops 4. Using crop residues to cover soil surface 5. Adopting spatial and temporal crop sequencing/crop rotations Select the correct answer using the code given below :Asked in UPSC IAS 2018
31. A country's natural capital includes all of the following exceptAsked in UPPCS Prelims 2012
32. The World Environment Day is celebrated onAsked in UPPCS Prelims 2012
33. Application of gypsum is required more in the crop ofAsked in UPPSC Upper Mains 2007
34. Which of the following trees is not eco- friendly?Asked in UPPSC Upper Mains 2011
35. Which Indian scientist is recognised by 'UNEP' as Father of Economic Ecology ?Asked in UPPSC Upper Mains 2007
36. According to Meadows (1972), if the present trends in world population, industrialisation, pollution, food production and resource depletion continue unchanged, the “Limits to Growth” on our planet will be reached in the nextAsked in UPPCS Prelims 1998
37. Which of the following statements accurately describe the environmental impacts associated with agricultural practices ? I. The application of synthetic fertilizers and pesticides may result in soil and water contamination. II. Sustainable agriculture focuses on preserving soil health and protecting biodiversity. III. Modern agricultural practices are unrelated to the depletion of freshwater resources. IV. Expanding monoculture farming supports overall ecosystem stability.Asked in APPSC Group II Mains paper 2 2025
38. On which date is 'World Environment Day' celebrated?Asked in APPSC Group II Prelims 2018
39. World Earth Day is celebrated onAsked in WBCS Main Paper 4 2023
40. Which of the following pairs is/are NOT correctly matched? (Day) 1. International Ozone Day - 16 September 2. World Environment - 5 June Day 3. World Wildlife Day - 22 March Select the correct answer from the code given below: Code:Asked in uppsc 2025 2025
41. संचार उपग्रह के ͧलिए सामान्य: उपयोग में लिी जाने वालिी कक्षा होती हैAsked in JUNIOR ACCOUNTANT AND TRA 2013
42. Read the lines given below and answer the questions : "June 5th is celebrated as World Environment Day to spread public awareness all over the World towards environment safety and cleanliness. June 5th is celebrated as. Environment Day not to :Asked in Protection Officer 2018
43. 'Earth Day' is celebrated onAsked in Sr. Teacher Gr II (Sec. Edu.) Comp. Exam 2022
44. Which one of the following is correct about social forestry? A) Social forestry concept in India was first used in the year 1987. B) Social forestry helps in management and protection of environment, society and rural development. C) Social forestry projects increase the pressure on existing forests. D) Social forestry scheme is not related to farm forestry, community forestry, extension forestry and agroforestry.Asked in APPSCCE 2020 Prelims 2020
45. Which one of the following agricultural practices is eco-friendly A) Organic farming B) Shifting cultivation C) Growing plants in glass- house D) Cultivation of high yielding varietiesAsked in ASSISTANT AUDIT OFFICER 2017 18 2017
46. World Environmental Day is celebrated onAsked in Civil Judge (Junior Division) Exam 2008
47. The 'Earth Day' is observed onAsked in Sr. Teacher Gr.II Comp. Exam 2016 1 2016
48. When is World Environment Day celebrated ?Asked in COMBINED STATE AGRICULTURAL SER‐ VICES (PRE.) EXAM 2024
49. World Environment Day is celebrated onAsked in Forest Range Officer Exam 2012
50. On World Environment Day, the tree plantation campaign attempting to leverage the deep love and respect for mothers towards conserving mother nature was launched in ___________ is known asAsked in Paper I 4