ZOO507 Final Term Past Papers Set 2

🌱 Ecology & Environment MCQs

1. Ecology is the biological study of living organisms and their interaction with each other and their environment.

Answer: Ecology

2. Lotic freshwater zones are flowing water systems.

Answer: Flowing water

Q3. Mining waste is generated in how many ways?

Answer: 3 ways

Q4. Rise in temperature over the past 100 years is due to?

Answer: Global warming

5. More than _______ of water is groundwater.

Answer: 30%

6. Lotic freshwater zones are

Answer: Flowing water zones (e.g., streams, rivers)

Q7. Which ecosystem is known as the land of midnight sun?

Answer: Tundra ecosystem

8. Climatic zones of Pakistan:

Answer: 4

9. The snow leopard is still occasionally called:

Answer: Ounce

10. Animals living at high altitudes include:

Answer: All (Snow Leopard, Snow Pigeon, Snow Partridge)

11. The average temperature of Earth's surface is increasing due to:

Answer: Global warming

12. Types of pollution:

Answer: 10

13. Mining waste is generated by:

Answer: 3 ways

14. Water present below Earth’s surface is called:

Answer: Groundwater

15. Water lily is a:

Answer: Floating plant

16. In aquatic ecosystems, plants present are:

Answer: Both a and b (Floating and submerged)

17. Laws of thermodynamics describe relationship between:

Answer: Thermal energy and other forms of energy

Q18. Which one is not a type of symbiosis?

Answer: Lion/Deer

19. Runoff from urban and suburban areas is a major origin of:

Answer: Non-point source pollution

20. Particles blocked by skin and paper are:

Answer: Alpha particles

21. As temperature of water increases, dissolved oxygen:

Answer: Decreases

22. Industrial noise pollution damages hearing ability by:

Answer: Around 20%

23. Choose the abiotic components:

Answer: Climatic, edaphic, social

24. Markhor is present in:

Answer: Northern mountains of Pakistan

25. Ecosystem with highest biodiversity:

Answer: Marine ecosystem

26. Light clutter refers to:

Answer: Excessive groupings of lights

27. Not present in Himalayan forests:

Answer: Stepped eagle

28. Birds with colorful plumage:

Answer: Peacock, Parrot (Example; actual options not given)

29. Typified areas between Jhang and Shorkot Road:

Answer: Indus Plain

30. Light pollution in Hong Kong (March 2013) declared:

Answer: Worst on the planet

31. Municipal solid waste (per capita in grams):

Answer: 240 grams

32. Effect of climate change on political issues:

Answer: Conflict over resources, migration (Examples)

33. Method to reduce acid rain effect on soil:

Answer: Add lime (liming)

34. Natural cause of smog:

Answer: Volcanic activity

35. Significance of nitrogen fixation by cyanobacteria in rice paddies:

Answer: Enriches soil with nitrogen

36. Parasitic weed:

Answer: Dodder (Cuscuta)

37. Interspecific interaction with long-term association:

Answer: Symbiosis

38. Layer closest to Earth's surface:

Answer: Troposphere

39. Light trespass is:

Answer: Unwanted light entering areas like bedrooms at night

40. Height of K2:

Answer: 8611 meters

41. Sign of bravery and competition:

Answer: Markhor

42. Percentage of Earth's surface that is seawater:

Answer: 70%

43. Layer of water mixed by wind & warmed by sun (spring to fall):

Answer: Epilimnion

Q44. Chinese zodiac includes how many animals?

Answer: 12

45. Climatic zones of Pakistan:

Answer: 4

46. Types of pollution:

Answer: 10

47. Animal that hibernates in winter:

Answer: Frog

48. Tropical grasslands are called:

Answer: Savannas

49. Nitrogen fixation bacteria:

Answer: Nitrobacter

50. Growth curves can be:

Answer: J and S (sigmoid) shaped

51. 85% of phosphorus is found in:

Answer: Bones and teeth

52. First trophic level are:

Answer: Autotrophs

53. Types of ecosystems:

Answer: Natural and artificial

54. Limiting factor for humans:

Answer: Temperature (37°C)

55. Example of floating plant phytoplankton:

Answer: Spirogyra, Volvox, Diatoms

56. Sign of parasitism:

Answer: (+/-)

57. Ecology describes richness of:

Answer: Biosphere

58. Largest desert:

Answer: Sahara

59. Tropical rainforest feature:

Answer: High rainfall

60. Percentage of ocean water:

Answer: 97.3%

61. Amensalism describes:

Answer: One species negatively affects another

62. Natality refers to:

Answer: Population birth rate or ability to increase

63. Ecology is the study of:

Answer: Organisms and their environment

64. Ecosystem consists of interactions between:

Answer: Biotic and Abiotic components

65. Factor of ecosystem:

Answer: Both biotic and abiotic