Saturday, October 9, 2010

Examination in Biology and Ecology

Professor: Dr. A.V. Rotor

Part 1 - Multiple Choice: Copy the letter of the correct answer.
Concept Recall and Application
The following are biomes of the world. Assign the following keywords under the appropriate biome. A. Tropical Rainforest B. Temperate Deciduous Forest C. Taiga D. Tundra E. Grassland G. Savannah H. Alpine I. Freshwater J. Ocean K. Desert
___ 1. Permafrost ___ 11. Location of The Gods Must be Crazy
___ 2. Understorey ___ 12. Emergent
___ 3. Cone-bearing ___ 13. Evergreen
___ 4. Large game animals ___ 14. Carne Norte
___ 5. Narra/Dipterocarp ___ 15. Safari
___6. Coral Reef ___ 16. Intertidal
___7. Atoll ___ 17. Mt Kilimanjaro
___8. Camel ___ 18. Laguna Bay
___9. Biodiversity model ___ 19. Prairie
__10. Sea of Galilee ____ 20. Location of Castaway

These are vital issues related to our subject. A. Pollution B. Global Warming C. Genetically Modified Organisms or GMO D. Nuclear energy E. Biological warfare F. El NiƱo G. Natural farming H. Renewable energy J. Avian flu
__ 21. Increasing strength of hurricanes, worsening floods.
__ 22. Zero tillage, no application of synthetic chemicals
__ 23. Dendrothermal, geothermal
__ 24. Bt corn, US potato and soya bean
__ 25. Chernobyl incident, also similar cases in US and Japan

Discrimination
___26. These are facts related to Avian Flu, except one. A. It is found in all regions of the world. B. It is carried by migrating birds. C. It does not affect pigs and cattle. D. Humans can acquire it from infected birds, E. It can be transferred from human to human.
___27. Based on the above choices, ABCDE, points to the severe danger of the Avian Flu
to become pandemic.
___28. One of these statements is NOT correct. A. The Kyoto Protocol was attended by most countries of the world with the agenda to reduce gas emission into the atmosphere. B. The Ozone hole is larger above the Arctic than that above the Antarctic Pole . C. One of the effects of global warming is extensive drought throughout the world, thus resulting to desertification. D. Scientists predict that global warming will precipitate the coming of another Ice Age.
___29. Based on the above, ABCD refers to the conversion of productive lands to wastelands.
__ 30. Based on the same, ABCD This phenomenon occurs in a cycle of several thousands of years - even without the intervention of man.

Concept Recall and Analysis
A thing is considered to be living if it possesses these criteria. A. It has a definite form and structure. B. It has the ability to reproduce itself. C. It can respond to stimuli and can adjust to the changes of its environment. D. It has the capability of metabolism. E. It increases in size and develops body parts. Identify which criterion is applied in the following cases.
____ 31. Respiration
____ 32. Heredity
____ 33. Adaptation
____ 34. Metamorphosis
____ 35. Growth

These are different environments or ecosystems. A. Desert B. Tropical Rainforest C. Inter-tidal Zone D. Mossy Forest E. Grassland. Each of these is briefly described as follows:
____ 36. Richest in number of organism and diversity
____ 37. This has the least number and kind of living things
____ 38. This is where the land and the sea meet.
____ 39. Mount Apo and Mount Pulog have this kind of environment at their summits.
____ 40. This is the habitat of large animals – herbivores and predators.

These are scientific terms used in our subject. A. DNA B. Speciation C. Desertification D. Food pyramid E. Water cycle F. Homeostasis G. Nitrogen Fixation
H. Evolution I. Systematics J. Protists Assign each keyword to these statements.

__ 41. This is the unit of heredity, possessed by all living things, including viruses.
__ 42. Unicellular, characterized by the presence of organelles.
__ 43. This is the secret of Nature’s self-healing process.
__ 44. This phenomenon is the key to life and the distribution of its forms.
__ 45. The autotrophs or producers, occupy the base of this structure.
__ 46. Organisms as assigned to their respective places in the 6-kingdom system.
__ 47. Rhizobium, blue-green algae, decomposing bacteria are a key to this phenomenon.
__ 48. This is the subject of Darwin’s theory on the “survival of the fittest.”
__ 49. This is today more of a man-made, rather than natural, process.
__ 50. Mutation leads to the development of species, hence biological diversity.

These are essential components/processes in Carbon Cycle. A. CO2 B. O2 C. Photosynthesis D. Respiration E. Solar energy. Assign these to the following cases/events.
____51. This is derived from the air by plants.
____52. This is a by-product of plants.
____53. Without this, organic substances can not be produced.
____54. This is also called destructive metabolism.
____55. Powers our Planet Earth.

___ 56. Which gas does not contribute directly to acid rain? A. Carbon dioxide B. Carbon Monoxide C. Sulfur dioxide D. Ammonia E. Ethylene.
___ 57. Which one does not belong to the CFC group? A. Freon refrigerant B. Cosmetic atomizers C. Aerosol paints D. Ethanol E. Industrial solvents
___ 58. Which organism does not belong to the group? A. Cockroach B. Bacteria C. Cattle D. Termites E. Earthworm
___ 59. These are autotrophs except one. A. Grass B. Mushroom C. Moss D. Narra E. Coconut
Concept Recall and Application
These are terms that describe the Water Cycle. A. evaporation B. transpiration C. precipitation D. runoff water E. ground water. Below are specific cases in which these terms apply.
____ 60. Habagat wind becomes laden with clouds that bring rains.
____ 61. Trees release tremendous amount of water that aids in cloud buildup and subsequently rain. This is the principle involved in the rainforest.
____ 62. When there is too much rainfall, the soil becomes saturated and water moves over land. The absence of trees often results to soil erosion.
____ 63. This means rain, or snow in winter.
____ 64. This is stored water that feeds the lake, rivers and springs.
____ 65. This dries up clothes on the clothesline.

___ 66. These are levels of severity or spread of a disease. Which one is limited or confined in a region? A. Pandemic B. Indigenous C. Sporadic D. Incipient
___ 67. Based on the above, ABCD refers to the spread of the disease in two or more countries, or even worldwide.
___ 68. Still based on the choices, ABCD refers to the early condition indicating both presence and sign/symptoms of the disease.
___ 69. This is disease is transmitted by Aedes egyptii. A. Pneumonia B. Hepatitis C. Dengue D. Malaria
___ 70. Based on the above choices, ABCD killed more people that all war victims combined.

Part 2 -True or False. These are examples of application of the course. If there is scientific and/or logical basis, these must be true; if none, they are but superstition and fantasy.
____ 1. Crabs are lean during new moon.
____ 2. Wounding a tree induces it to fruit.
____ 3. More fish are caught during full moon.
____ 4. Leaves of madre de cacao or kakawate delay the ripening of fruits.
____ 5. Salt is rubbed on the cut stem of fruits to hasten their ripening.
____ 6. Sugar solution extends the life of cut flowers.
____ 7. If you touched a hot object, immediately press your affected fingers against your ear lobes.
___ 8. Carabao’s milk is less nutritious than cow’s milk.
___ 9. In the absence of any medication, cover wound caused by sea urchin with cool sand pack.
___ 10. Guava seeds cause appendicitis.
___ 11. Bats don’t attack people, except the vampire bat which occasionally sip human blood on an unsuspecting person.
___ 12. Catching a live monkey with papaya is one for the fable.
___ 13. Houseflies on the move signal the coming of a heavy rainfall, if not a typhoon.
___ 14. June beetle emerges with the coming of amihan.
___ 15. Flying kites while rice plants are in bloom causes poor harvest.
___ 16. Fruit-laden kapok tree predicts good rice harvest.
___ 17 Hovering dragonflies tells that the habagat has arrived. .
___ 18. Ring (halo) around the moon means fine weather. .
___ 19. When earthworms crawl out of their burrows, drought is coming,
___ 20. When the leaves of acacia starts to fold it’s already morning, time to wake up.

Part 3: Write an Essay about the significance of Earth Day. (300 words)












Answers:
1. d 2. a 3. c 4. e 5. a 6. j 7. j 8. k 9. a 10. I 11. k 12. c 13. c 14. e 15. g 16. j 17. h 18. I 19. f 20. a

21. b 22. g 23. h. 24. c 25. d

26. a 27. e 28. b 29. c 30. d

31. d 32. b 33. c 34. a 35. e

36. b 37. a 38. c 39. d 40. e

41. a 42. j 43. f 44. h 45. d 46. I 47. g 48. h 49. c 50. b

51. a 52. b 53. c 54. d 55. e

56.e 57.e 58.b 59.b 60.a 61.b 62. d 63.c 64. e 65.a 66.b 67. a 68d 69 c 70 d

T or F

1f 2t 3f 4t 5t 6t 7t 8f 9f 10f 11f 12t 13f 14f 15f 16f 17f 18f 19f 20f

Living with Nature 3, AVR

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