Republic of the Philippines
CATANDUANES STATE UNIVERSITY
Virac, Catanduanes
MIDTERM EXAMINATION IN ES
(ENVIRONMENTAL SCIENCE)
1st Semester, SY 2021 - 2022
Name: Mike Deither M. Batalla
Student Number: 2020 – 04668
Yr. & Course: 2 – BS Civil Engineering
Class Schedule: 14:30 - 16:00 TF
Date: 09 – Oct - 2021
I. MULTIPLE CHOICE: Read the sentences carefully. Choose the best answer then write the letter of
your choice on the space provided before each number. STRICTLY NO ERASURE OF ANSWERS.
Erasure and/or superimposition will mean an invalid answer. (20 pts)
___d___1. The study of living organisms and interactions with the environment is known as ________.
a. Ecosystem
b. Environment
c. Community d. Ecology
___a___2. The collection of the same species within an area is called ___________.
a. Population
b. Organism
c. Community d. Ecosystem
___a___3. The interdisciplinary study that uses information and ideas from the physical, social science
and humanities.
a. Environmental Science
b. Biological Science c. Chemistry d. Physical Science
___d___4. An ecological organization such an individual animal, plant, or single-celled life form.
a. Community
b. Organism
c. Population
d. Biomes
___a___5. An ecological organization that is composed of interacting populations in a given area.
a. Community
b. Organism
c. Population
d. Ecosystem
___c___6. He was a naturalist scientist who collected organisms and cataloged them for scientific
study.
a. Cladius Galen
b. Alfred Russel Wallice
c. Charles Darwin
d. Aristotle
___d___7. A regional ecological unit having a specific climate is called _________?
a. Biome
b. Landscape
c. Ecosystem
d. Biotic community
___c___8. Which of the following is an abiotic factor of a biome?
a. tree species
b. no. of insect species
c. temperature
d. mosses and algae
___b___9. Which of the following has the LEAST effect on the amount of incoming light that strikes an
area?
a. latitude
b. temperature
c. the degree that a slope is exposed to the incoming light
d. the amount of recurring cloud cover
___a___10. Which of the following factors would be limiting in the open ocean?
a. nutrients
b. temperature
c. oxygen
d. light
___a__11. In tropical Rainforests _____________.
a. plants flourish with regular and heavy rainfall
b. diversity is limited because the tree canopy shuts out most of the incoming light
c. conditions are extremely favorable for growing luxuriant food crops
d. there is little competition for sources.
Republic of the Philippines
CATANDUANES STATE UNIVERSITY
Virac, Catanduanes
___c___12. Permafrost forest and low rainfall are characteristics of which biomes?
a. Boreal Forest
b. Deciduous Forest c. Arctic Tundra
d. Grassland
___c___13. Estuaries often exhibit a great degree of species diversity because ________.
a. saltwater and freshwater species are present
b. many species of the open ocean spend a portion of their life cycles in estuaries water
c. there is a continued upwelling of nutrients
d. saltwater and freshwater species are present, plus many species of invertebrates and fishes
that spend their early life stages here
___d___14. Distribution of the biomes tends to be influenced by all EXCEPT?
a. topography
b. soil
c. latitude
d. longitude
___a___15. In a pond ecosystem, the top area where the production is greater than respiration is
termed as __________.
a. Limnetic zone
b. Profundal zone
c. Benthic zone
d. Tidal zone
___a___16. This type diversity is responsible for uniqueness of every living organism and is crucial for
species to survive.
a. Genetic diversity
b. Species diversity c. Ecosystem Diversity d. Faunal diversity
___a___17. What is the significance of species diversity?
a. Species interacts with its environment and thus perform certain functions
b. Species minimize interaction with its environment and thus perform certain functions
c. Species never interacts with environment
d. Species interacts with the environment but doesn’t perform any functions
___c___18. _________ is a discrete group of organisms of the same kind.
a. Genes
b. Community c. Species
d. Ecology
___a___19. How do human activities affect species diversity?
a. Over-exploitation of humans
b. Conserving the forest
c. Decline in population growth in humans
d. Increase of marine protected areas
___d___20. _____________ is a type of forest biome that can be found close to the equator.
a. Temperate Forest
b. Boreal forest
c. Mossy Forest
d. Tropical Rainforest
II. Matching Type: Match Column A to Column B. Choose the letter of the correct answer on the
space provided before each number. STRICTLY NO ERASURE OF ANSWERS. Erasure and/or
superimposition will mean an invalid answer. (20 pts)
Column A
___J__21. Processes in nature which support life and
human economies
Column B
A. SURFACE ZONE
___I__22. A complex chemical process that takes place in
cells of green plants
B. CLIMAX COMMUNITY
___H__23 Form of rain, hail, snow or sleet
C. NATURAL RESOURCES
___G__24. The amount of biologically productive land and
water needed to indefinitely supply the people
D. NUTRIENT CYCLING
___F__25. Occurs in areas where a community that
previously existed has been removed
E. PRIMARY SUCCESSION
Republic of the Philippines
CATANDUANES STATE UNIVERSITY
Virac, Catanduanes
___E__26. Occurs in essentially lifeless areas regions in
which the soil is incapable of sustaining life as a
result of variety of events
F. SECONDARY SUCCESSION
___D__27. Deals with the circulation of chemicals necessary
for life
___C__28. Materials and energy in nature that are essential
or useful to man
G. BIOLOGICAL FOOTPRINT
___B__29. A stable community dominated by small number
of prominent communities
I. PHOTOSYNTHESIS
___A__30. The first few hundreds meter deep of the ocean
where light penetrates
J. NATURAL SERVICES
___T__31. Ecological Solid Waste Management Act of 2000
K. ENVIRONMENTAL DEGRADATION
___S__32. Fruit and vegetable peelings, leftover foods,
seeds, eggshell, etc.
L. ESTUARY
___R__33. Ceramics, plastic candy wrapper, napkins,
diapers
__Q__34. A process of checking, evaluating or investigating
the quality of waste discharge from an industry or
establishment
M. ECOLOGICAL SUCCESSION
__P__35. Process of depletion of forest resources due to high
demand of wood
O. RESPIRATION
__O__36. A process in which a plants and animals gives off
carbon dioxide
P. DEFORESTATION
__N__37. First species who colonized a lifeless area
Q.EFFLUENT QUALITY MONITORING
__M__38. A process by which the structure of a biological
community evolves over time
R. RESIDUAL WASTE
___L__39. Where saltwater and freshwater meets
S. COMPOSTABLE WASTE
___K__40. The deterioration of the environment through
depletion of resources such as air, water and soil; the
destruction of ecosystems; habitat destruction; the
extinction of wildlife; and pollution
T. RA 9003
H. PRECIPITATION
N. PIONEER SPECIES
U. RECYCLABLE WASTE
II. Modified TRUE Or FALSE: Write TRUE if the underlined word/s is correct and write the correct
word if the underlined word/s is FALSE using the words inside the box below. STRICTLY NO
ERASURE OF ANSWERS. Erasure and/or superimposition will mean an invalid answer. (20 pts)
CHEMICAL CYCLING
SOLAR ENERGY
FOOD PRODUCTION
BIODIVERSITY
DECOMPOSITION
POINT SOURCE
NATURAL CAPITAL
LAND CONVERSION
OCEAN POLLUTION
WASTE TREATMENT
ECOLOGICAL FOOTPRINT SOLID WASTE MANAGEMENT
NON-RENEWABLE
SOIL EROSION
MOBILE SOURCES
SOIL RENEWAL
ANTHROPOGENIC ACTIVITIES
DISEASE CAUSING AGENTS
__Chemical
Cycling__41. Environmental degradation is known as the process of using renewable
resource exceeding its natural replacement rate and the available supply begins to
shrink.
_______TRUE________42. Environmental problems are primarily caused by natural phenomenon and
processes.
Republic of the Philippines
CATANDUANES STATE UNIVERSITY
Virac, Catanduanes
___Decomposition___43. Disposing of wastes that pollute the environment at rates exceeding the wastes’
rate of volatilization.
__Land
Conversion___44. Land use is the process of changing the current physical use of agricultural
land into some other use for another agricultural use other that agricultural
activities.
___Ecological
Footprint____45. Renewable resources is the amount of biologically productive land and
water needed to indefinitely supply the people in a particular country or area.
____Soil
Erosion____46. Tillage refers to the wearing away of a field’s topsoil by the natural physical forces
of water and wind.
________ TRUE______47. Human activities results to the destruction of ecosystems, habitat destruction, the
extinction of wildlife & pollution.
_______ TRUE_______48. Deforestation have natural causes from typhoons, forest fires, parasites, landslides
and flooding.
_____Point
Source____49. A conventional pollutant is a specific location of pollution such as factory or
municipal sewage.
_______
TRUE______50. Aquatic pollution is mostly caused by oil spills, hazardous materials and dumping
of solid waste materials.
__ Solid Waste Management___51. Environmental management is the systematic administration of
activities which provide for segregation at source, segregated transportation,
transfer and disposal of solid waste materials.
_Mobile
Sources_52. Non-point sources are those that are not site specific such as automobiles, buses,
and trucks.
__Disease
________
causing agents__53. Oxygen-demanding waste are bacteria, parasites, and viruses.
TRUE _______54. Degradation of renewable resources and services are mostly is a result of rising
population and resource use per person.
____Food
Production___55. Population increase in general was a result of wider food base, disease
resistance and better medical technology.
_______TRUE ______56. Forests are the most widespread, versatile and easily exploited of the world’s natural
resources.
_______TRUE ______57. Air pollution is a significant health hazard that causes death while lower prolonged
exposure to pollution can also affect health.
_______TRUE_______58. Acid rain in neutralized by calcium and magnesium compounds in rocks.
_______TRUE_______59. Forest fires allow the release of nutrients stored in dead biomass which stimulates
growth after fire.
_______TRUE_______60. Zero population growth refers to the number of births that will simply replace a
population without further growth.
**End of Exam**
Prepared by:
ARNEL A. DE GUZMAN
Instructor I
MARIA ZABEL L. SABENIANO
Instructor I
Republic of the Philippines
CATANDUANES STATE UNIVERSITY
Virac, Catanduanes
NOTED:
ESTRELLA T. TRIBIANA, MST
Department Chairperson
RENE V. TORRES, Ph. D.
CAS, Dean