BT201 Final Term Past Papers by Dining Discussion

OBJECTIVES

1. Most powerful oxidants known _________. Oxygen
2. __________ deficit is calculated as the difference between the actual water vapor pressure and the saturation water vapor pressure. Vapor Pressure
3. The rate at which organisms can take in energy is___________. Limited
4. _________ explored the unity of parts and their patterns of development– skeletons in different vertebrates. St. Hilaire
5. Cuvier identified ______ basic body plans for animals– vertebrates, molluscs, arthropods, and radiata (jellyfish & others). 4
6. Freshwater contain less than ___ water. 1%
7. ……. Showed that the claims of undeniable catastrophes in the record where much exaggerated. Lyell
8. The relationship between photon flux density and p lant photosynthetic rate is called __. Photosynthetic Response
9. The first biologists to conduct thorough studies of phenotypic and genotypic variation and to incorporate experiments in their studies, focused on______ Plants
10. Only_______ is a desert plant genus. Encelia
11. ______ cited teeth in fetal baleen whales. Lamarck
12. In 1997,____% of the global population was spread across oceanic island. 0.1
13. Of the water in the biosphere, the polar ice caps and glaciers contain___ 2%
14. Development proceeds up the tree of life. All animals begin as eggs.__ Von Baer
15. ______ arises from interaction b/w organism and environment. Evolution
16. Lamarck realized_____ could not all be ordered in a single chain. Life
17. Cooperative groups of females in African lions are called _____. Prides
18. Who worked on the developing of paleontology_ Smith, Buckland, Cuvier,

Brongniart

19. The most familiar relative measures of water content of air

is__ Relative Humidity

20. The rate at which organism can take in energy is___ either by external or internal constraints Limited
21. Oceans contain _______ of water. 97%
22. The turnover of water of the hydrological cycle ranges from on __________ days for the atmosphere. 9
23. _______ form the largest continues environment on the earth. Oceans
24. Photosynthetic organisms restrict to ______ zone. Euphotic or Epipelagic
25. Oceanic temperature much more stable than _____ temperature. Terrestrial
26. Highest productivity occurs along ______. Costliness
27. ________ are found mainly at temperate latitudes. Kelp Forests
28. _____are limited to the trophic & subtropics. Coral Reefs
29. There are ____ types of coral reefs, frining reef, barrier reef, atolls. ______ 3
30. Kelp forests limited to areas with temperature range ______. 10-20℃
31. Reef building corals limited to areas with temperature _____________18-29℃
32. Tidal fluctuation produces __________ due to gravitational effects of sun and moon. Steep Gradient
33. Salt marshes dominated by_____ vegetation. Herbaceous
34. _____grows in the tropic and subtropics. Mangrove Forests
35. _________ are extremely dynamic physically, chemically and biologically.

Estuaries

36. ________ are much like small seas. Lakes
37. The salinity of lakes ranges from very dilute waters to over______. 200%
38. Freshwater environment is particularly vulnerable to introduction of ____Exotic

Species

39. The nature of fish assemblage is used to assess the _______of fresh water.

Biological Integrity

40. For the individual organism macroclimate may be _______ significant than microclimate. Less
41. Most species perform best in a fairly ______ of temperature.

Narrow Range

42. The influence of temperature on the performance of organisms begins at the___________ Molecular Level
43. Plants and ectothermic animals use morphology and behavior? ____Both
44. Birds and mammals rely heavily on _________ to regulate body temperature.

Metabolic Energy

45. Most endothermic aquatic species are ________. Air Breathers
46. Flying insects & marine fish improve performance by heating parts of their ____

Anatomy

47. The energetic requirements of thermoregulation may influence the _______ distribution of species. Geographic
48. ______ is a state of low metabolic rate and low body temperature when food is scarce and night temperature cold. Torpor
49. Hibernation occurs in winter, if it occurs in summer then called ______.

Aestivation

50. In _______ environment water moves from hypo osmotic to hyper osmotic solution. Aquatic
51. Larger osmotic difference b/w organism and environment generate______. High

Osmotic Pressure

52. The water potential of pure water is set at ______ Zero
53. The relationship b/w food density and animal feeding rate are called ______

Functional Response

54. Energy limitation is a assumption of ___________theory. Optimal Foraging
55. Water potential, vapor pressure and osmotic pressure are all measured in ______

Pascal (N/𝑴𝟐)

56. Aquatic organisms gain or lose water through ________. Osmosis
57. There are _____ source of energy. 3 (Light, Organic & Inorganic Molecule)
58. Photosynthetic plants and algae use light of wavelength b/w _____. 400-700nm
59. PAR stands for_____________. Photosynthetic Active Radiations