SSC Ecology and Environment
Total Questions:- 50
Time:- 30 Minutes
TCS Pattern MCQs
Date:- 29/07/2026
1. In which state is the Renuka Lake located?
2. Who conducted the study on the 'TrophicDynamic Aspect of Ecology' in the year 1942?
3. What is called the total number of organisms living in both plants and animals in a given area?
4. The pyramid of energy is……….
5. In 1972,_______coined the term 'pyramid of numbers', which represents the total number of individuals (population) at each trophic level.
6. A species restricted to a given area is………
7. ______ refers to an environment in which oxygen is readily available.
8. As of December 2020, how many RAMSAR sites does India have?
9. Which of the following is NOT manmade ecosystem?
10. In the context of various environment protection treaties/protocols and the places associated with them, which of the following is NOT correctly paired?
11. Reduce, Reuse and ………. are the three R's to save the environment.
12. Small, marine-dwelling organisms, phytoplankton, are related to which trophic level in the food web?
13. Select the correct statement–
14. In which of the following modes of nutrition do organisms take in nutrients in solution form from dead and decaying matter?
15. Which of the following is grazing food chain?
16. Which of the following sites is the largest protected wetland in India?
17. Which of the following is an endemic species?
18. In which year was the National Biodiversity Authority, a statutory autonomous body under the Ministry of Environment and Forests, Government of India, established?
19. What are the microorganisms that breakdown the dead remains and waste product of organisms called?
20. The word 'ecology' is derived from the ______ word 'Oekologie'.
21. Which among the following is NOT one of the 36 global biodiversity hotspots?
22. In which of the following states is the Loktak Lake located?
23. Biodiversity is defined in which of the following forms?
24. Grassland ecosystem has which type of biomass pyramid?
25. Why is Rann Of Kutch of India famous for?
26. Mission of Ramsar Convention is to conserve....
27. Which of the following is not abiotic?
28. In which of the following states is Sambhar Salt Lake situated?
29. Who coined the term “Ecology”?
30. Which of the following is an example of an artificial ecosystem?
31. Which ecologist's research provided revolutionary new insight into how energy and nutrients flow through ecosytems?
32. In the context of forest conservation, the Navdanya Movement was started in 1987 by....
33. Sunlight forms which component of habitat?
34. A living part of the organisms environment is known as
35. Choose the INCORRECT pair with respect to wetlands and their location?
36. Which of the following is parasitic food chain?
37. In 1866, who proposed a new term 'Oecologie', which defines the study of the relationships of organisms with their environment?
38. At which level of the food chain are millipedes, springtails, woodlice, dung flies, and snails included that obtain nutrition from dead or decaying plants or animals?
39. Which among the following is not an abiotic component of an ecosystem?
40. Sur Sarovar, also known as Keetham Lake, is a man-made reservoir. In which of the following years was it added in the list of Ramsar Sites?
41. Which of the following options correctly represents the matching of trophic levels in Column-A with the examples in Column-B?
Column-A Column-B
(Type of Trophic Level) (Example)
i. First Trophic Level a. Humans
ii. Second Trophic Level b. Phytoplankton
iii. Third Trophic Level c. Zooplankton
iv. Fourth Trophic Level d. Fishes
42. Tso Kar wetland has been included in Ramsar Site in December 2020. In which of the following states or union territories is it located?
43. The narrow zone of contact between lithosphere, hydrosphere and atmosphere where natural vegetation and wildlife exist is called ........
44. Which of the following is not considered as a part of the Abiotic Environment?
45. How the standing crop is measured in a particular trophic level?
46. Taiga is an example of which type of ecosystem?
47. The part of the earth's surface and atmosphere where plants and animals live is called ––––.
48. A pyramid of biomass is a diagram that represents the population at each level of the food chain. According to it,________, occupies the base with the highest biomass.
49. _______ species are those species of plants and animals that are found especially in a particular area.
50. What is the correct sequence of zones in a pond ecosystem from bottom to top?
