BT101 Final Term Past Papers Set 2 by Dining Discussion

OBJECTIVES

1. Components of ecology are ____6
2. Rate at new organic matter formed in all herbivores___ Secondary Productivity.
3. Types of ecological pyramids are____3
4. Lotic system example is……Springs
5. Leaching is present in which zone of soil....... A-Horizon
6. Marine water ecosystem is a great source of___ Biodiversity
7. Lichens and mosses are the example of? Primary Succession.
8. Human eye can detect electromagnetic radiations of wavelength range 380-760nm.
9. Fjords Mostly found in?......... Norway.
10. Organisms that feed on large chunks of dead and decaying organic matters are known as___ Scavengers.
11. External mechanical force of terrestrial plants is …. Wind
12. The external factors which control the ecosystem are ------ of internal factors

Independent

13. Fungi is ____ decomposer Primary
14. The orientation toward a factor is called ____ Taxis
15. When a population reach a ____ there are more individual trying to use the same quantity of resource______ High Density
16. Complexity of ecosystem make it more __________Stable
17. Camouflage use of any combination of __________ Coloration
18. Near the surface of earth ozone concentration about ppm_____0.04-0.15
19. The total average height of troposphere is _________13km
20. Adult human body contain _____ of water________60%
21. What is the example of chemotrophs? _______ Microbes
22. Food of giraffe per day may be____75 Pounds
23. HAB stands for _____ Harmful Algal Bloom

Q24. Which process is involved in soil formation ______ Weathering?

25. Population diversity of lager organisms _______Low
26. Process of emigration cause…. Decrease in Population
27. The term ecology was derived by…. Ernst Hackle In 1866
28. Plants capture …. % of solar energy….1%
29. The top most mineral horizon, often referred to as top soil…. A-Horizon
30. zones of lentic water bodies….4
31. Fat which gives energy to animal’s brain and hearts…… Brown Fat
32. Depending upon cell structure organisms are of ____types _____2
33. The rate that new organic matter by means of individual growth and reproduction in all herbivores_____ Gross Productivity.
34. Variety of tools to track size of population in one tool______ Survivorship Curve
35. 541 million years ago O2 made stable of atmosphere____ 15%
36. Region with identical climate have fauna and flora according to Buffon’s law____

Different

37. Natural selection variation from a population by favoring one allele over other at a gene locus____ Odd
38. First vertebrates possess amitotic eggs____ Reptile
39. Toxoplasmosis caused by toxoplasma virulent in immune suppressed individually____ AIDS
40. Rate at new organic matter formed in all herbivores_______ Secondary Productivity
41. Example of winter sleep____ Bear
42. Speciation occurs in single population____ Sympatric
43. _____% volume of water belongs to sea water:.97%
44. Species of red kangaroo……Native Specie
45. Rocky part of earth is called …... Crust
46. Occupation of species is called…. Niche
47. Carnivorous fishes possess…… Long Stomach and Short Intestine.
48. A deep fast flowing freshwater body…River
49. The process in which soil is formed…. Soil Formation
50. Normal body temperature of birds is, …………105°F.
51. Optimum temperature of human body is……37°C
52. Oligotrophic lakes have ______Low Nutrients
53. Lake having excessive amounts of dissolved nutrient ____Hypertrophic Lake
54. Trophic means______ Food
55. Abyssal zone temperature is_____ 3-4oc.
56. Diversity which reflects the biological complexity of ecosystem _____ Functional

Diversity

57. Best example of scavengers is……. Vultures
58. Human population at present it is about …….7.4 Billion.
59. Blind Indus dolphin is an example of…. Endemic Species
60. Deliberately or accidentally introduced into an ecosystem…… Non-Native Species.
61. Hibernating animals possess……...Low Metabolic Rate
62. Pisaster is an example of………Keystone Specie
63. Species are introduced in the environment in____ ways: ……… 2
64. Evolutionary changes weather over long period of rapid are result or change in makeup __Genetic
65. ----------- are characteristics that increase the potential of an organism or species to successfully reproduce in a specified environment. ______Adaptation
66. Extinct hippopotamus like animals now called __ Taxodone
67. This process of evaporation through plant leave is called -----------Transcription
68. Oxygen atom form ______ Ozone
69. Cladogram depict the sequence in the of derived characters--------Origin
70. They engulf food by ____ using pseudopodia ____Phagocytosis
71. The total average height of the troposphere is_______13 Km
72. Form of precipitations that is -------- acidic. It has elevated levels of hydrogen ions low ph.____Unusually
73. Genomic DNA sequence of an Archaean and --------- were first compared in 1996____ Bacterium
74. Animal changes its color rapidly ________ Chameleon
75. Above thermosphere is _________ Exosphere
76. Symbiosis relationship between _________ Different Species
77. Bird voice box _______ Syrinx
78. Extinct hippopotamus like_____________ Taxodone