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WorksheetsSTS FINAL EXAM
Total questions: 60
Worksheet time: 45mins
I. Which statement below appropriately refers a particular type of threats in biodiversity? Write the letter of your choice that corresponds to each statement.
1.Inhabitation of
human beings that lead to use of land for economic gains replacing the
natural inhabitant organisms in the area.
A. Habitat loss and destruction
B. Alterations in ecosystem composition
C. Over-exploitation
D. Pollution and contamination
E. Climate change
The Philippines experiencing hail instead of rain particularly in Baguio
A. Habitat loss and destruction
B. Alterations in ecosystem composition
C. Over-exploitation
D. Pollution and contamination
E. Climate change
Estuarine and water system near mining companies are now turbid and not clear
A.Habitat loss and destruction
B. Alterations in ecosystem composition
C. Over-exploitation
D. Pollution and contamination
E.Climate change
Overfishing near Scarborough or Panatag Shoal by Chinese especially of endangered big
clamps
A. Habitat loss and destruction
B. Alterations in ecosystem composition
C. Over-exploitation
D. Pollution and contamination
E. Climate change
Muro-Ami fishing technique is used to catch more fish by pounding on the corals
A. Habitat loss and destruction
B. Alterations in ecosystem composition
C. Over-exploitation
D. Pollution and contamination
E.Climate change
II. Choose letter “A” if the hazard pertains to physical hazard and write letter “ B” if it is social hazard.
Dangerous work of construction workers without safety belts and precaution
A
B
Urban sprawl in an
area due to big opportunity of jobs
A
B
Food contamination
of rice plant due to chemical spills
A
B
Oil spill in sea
of Guimaras
A
B
III. Select the letters that describe the different types of computer during evolution age of information.
10. It is a single instrument also known as the microcomputer.
A. Personal Computer
B. Desktop Computer
C. Laptops
D. Server
E. Mainframes
It is described as a PC that is not design for portability. It will be set up in a permanent spot.
A. Personal Computer
B. Desktop Computer
C. Laptops
D. Server
E. Mainframes
These are portable computers that integrate the essential of a desktop computer in a battery powered package.
A. Personal Computer
B. Desktop Computer
C. Laptops
D. Server
E. Mainframes
It refers to a computer that has been improved to provide network services
A. Personal Computer
B. Desktop Computer
C. Laptops
D. Server
E.Mainframes
These are huge computer systems that can fill an entire room.
A. Personal Computer
B. Desktop Computer
C. Laptops
D. Server
E. Mainframes
IV. Analogy. Group accordingly the Useful and Reliable Web Sources. Write the correct letter that corresponds to appropriate word necessary to complete the thought.
Drugs.com : Drug information websites as _____ : History sites with primary documents
A. Avalon Project
B. PubMed
C. PDR Health
D. Both A and B
Modern history Sourcebook: Avalon Project as Internet National Guidelines Clearinghouse :_______
A. Avalon Project
B. PubMed
C. PDR Health
D. Both A and B
Nursing site: History sites with primary documents as PubMed :_______
A. Avalon Project
B. PubMed
C. PDR Health
D. Both A and B
Avalon Project : Nursing Site as ________: History sites with primary documents
A. Avalon Project
B. PubMed
C. PDR Health
D. Both A and B
IV. Write the letter that applies to the purpose of the test stem. Choose the appropriate letter in each item.
19. Bt corn has been modified with the gene of bacterium Bt to produce toxic proteins for worms( borers). What GMO role this applies to ?
A. Pest resistance
B. Herbicide resistance
C. Virus resistance
D. Fortification
A soybean is introduced by glyphosate making it tolerant during the spray of toxic chemicals. Weeds astray during the spray but the soybean stand healthy. What GMO role this applies to?
A. Pest resistance
B. Herbicide resistance
C. Virus resistance
D. Virus resistance
Golden rice contains a particular minerals to address nutrient deficiency. What GMO role this applies to?
A. Pest resistance
B. Herbicide resistance
C. Virus resistance
D. Fortification
Instead of pest, virus is considered detrimental to health of agricultural products making it a waste that lowers profit for the farmers. What GMO role this applies to?
A. Pest resistance
B. Herbicide resistance
C. Virus resistance
D. Fortification
An arctic apple supresses browning of apple after being cut and expose its surface to the atmosphere. What GMO role this applies to?
A. Increase growth rate.
B. Cosmetic preservation
C. Virus resistance
D. Fortification
Salmon ‘s rate of growth is faster than normal yield because of introduction of genes.
A. Increase growth rate.
B. Cosmetic preservation
C. Virus resistance
D. Virus resistance
Lignin is a complex molecule, a polymer that is removed from a wood for paper production. Genes is inserted such that code for ferulic acid. What is the function therefore of this acid?
A. Ferulic acid is an acid to be inserted directly to breakdown the lignin structure easily.
B. Lignin acid is the gene itself that creates a modified genes code for ferulic acid
C. Genes to be inserted is modified that code for acid, thus making it breakable
D. Poplar tress has a lignin only that is hwy it is good for paper production among other tress.
How periwinkle plant being modified for pharmaceutical purposes?
A. Bacterial genes are introduce so that plant produces alkaloid for drug products
B. Periwinkle genes is inserted to the bacteria for mass production of vinblastine an alkaloid for drug production
C. Vinblastine is produced both by bacteria and the periwinkle plant making it recombinant genes
D. Periwinkle is not producing alkaloid but is helped by the bacteria to produce it.
Bioremediation of plants is modified to help making the environment clean, how bioremediation is working?
A. Nicotana glauca produces a chemicals to clean the water system
B. Nicotana glauca produces accumulated chemicals in its body to neutralize pollution in water bodies.
C. Nicotana glauca absorbed and deposits the chemicals from the water bodies to its own tissue
D. Nicotana glauca accumulates heavy metals into its roots only and hopefully released to the environment to counterfeit pollution in the water bodies.
Nanometer is a_______ of a meter.
A. Millionth
B. Trillionth
C. Billionth
D. thousandth
What microscope is used which utilized a particle beam to magnify images
A. Atomic force microscope
B. Scanning tunnelling microscope
C. electron microscope
D. light microscope
This uses mechanical probe that gathers information from the surface of a material.
A. Atomic force microscope
B. Scanning tunnelling microscope
C. electron microscope
D. light microscope
This is a special type of microscope enables to view nanoscale particles of atoms and molecules.
A. Atomic force microscope
B. Scanning tunnelling microscope
C. electron microscope
D. A. light microscope
This refers to the science, engineering and technology with a billionth of scale.
A. Biotechnology
B. Nanotechnology
C. gene therapy
D. cloning
What method to use in order to determine the blood diseases using nanotechnology?
A. Nanoscale gold
B. Nonoimprint lithography
C. bio-barcode assay
Atomic layering epitaxy
Which nanotechnology to use that target tumor while avoiding damage the healthy cells.?
A. Nanoscale gold
B. Nonoimprint lithography
C. bio-barcode assay
D. Atomic layering epitaxy
What would the nanogold particles role to see the tumors in a nano scale microscope?
A. View the tumors
B. Build up in tumors to permit precise imaging
C. Target laser destruction
D. Avoiding damage of healthy cells and destroy tumors
How dip lithograpgy works?
A. The tip of atomic force microscope is dipped into fluid and write on surface
B. Chemicals act in response to high performance films
C. Laying down one atom thick layers in a surface
D. Both a and b
Read the processes involved in gene therapy. Write the appropriate letter which you think a technique in gene therapy. Below are your letter choices.
37. It is not generated in the next generation
A. Somatic stem cell/ gene therapy
B. Embryonic stem cell/gene therapy
C. Both A and B
The origin of cell will pass to the next generation
A. Somatic stem cell/ gene therapy
B. Embryonic stem cell/gene therapy
C. Embryonic stem cell/gene therapy
Involves the modification of germ cells
A. Somatic stem cell/ gene therapy
B. Embryonic stem cell/gene therapy
C. Both A and B
Potentiality to become any type of cell
A. Somatic stem cell/ gene therapy
B. Embryonic stem cell/gene therapy
C. Both A and B
Self-renew or multiply with a potential to develop into other types of cell
A. Somatic stem cell/ gene therapy
B. Embryonic stem cell/gene therapy
C. Both A and B
Derived from a 4 or 5 day old embryo
A. Somatic stem cell/ gene therapy
B. Embryonic stem cell/gene therapy
C. Both A and B
Blastocyst phase of development or germ-line
A. Somatic stem cell/ gene therapy
B. Somatic stem cell/ gene therapy
C. Somatic stem cell/ gene therapy
Found inside the different parts of the body
A. Somatic stem cell/ gene therapy
B. Embryonic stem cell/gene therapy
C. Both A and B
VI. Select the best answer based on the test stem, carefully read the choices that correspond to each item.
45. A patient wanted to be healed from blood-related disease, what gene therapy will most likely appropriate?
A. Somatic stem cell therapy found in the bone marrow stem cells to become a blood components
B. Somatic stem cell therapy found in the liver stem cells to become a blood components
C. Embryonic stem cell therapy but not during blastocyst phase instead during the beginning of cell development of a zygote
D. Somatic stem cell therapy found in the adipose tissue/ stem cells to become a blood components
How embryonic stem cell therapy treats the disease?
A. The correction of disease would be done through genetic modification from any pluripotent cell of adipose tissue
B. The embryo during blastocyst phase stage of a pregnant woman from amniotic fluid as a potential pluripotent cells to heal the defected tissue/cells
C. Bone marrow stem cells are pluripotent to correct the damage cells and are pluripotent to correct the damage cells and are
D. A. Blastocyst stage particularly the germ layer
How adult somatic stem cell regenerate?
A. These stem cells are found to be undifferentiated and believed to be not limited in their ability to differentiate into various fate of cell types
B. These stem cells are limited to its differentiation
C. These stem cells are limited to its differentiation
D. Both a and b
How the basic process of gene therapy works?
A. The genes desired to express its trait is inserted directly to human without passing any bacteria since this is a new way as biotic engineering approach.
B. Vectors are used to carry the recombinant genes that carry normal human genes
C. Vectors are not the carrier of a trait but just to produce the viral protein for gene therapy activation of inside stem cells in the body
D. A. Both A and B
How do chlorofluorocarbons’s international regulations designed to protect the ozone layer?
A. The presence of CFC in the ozone help protect from ozone depletion
B. The less presence of CFC by regulation helps decrease ozone depletion
C. The enough amount of CFC can cause ozone depletion
D. The enough amount of CFC don’t destroy the ozone
How do greenhouse effect become detrimental and become beneficial?
A. This become bad when the presence of CFC reacts to destroys ozone in the stratosphere and beneficial when during night time it will help cloth organism to heat and warm to avoid freezing
B. Become detrimental when ozone reacts and accumulate without destroying the ozone but making the earth so hot and good because during night time living things will not be frozen
C. Become bad when presence of CFC accumulate and cause to form hole in the ozone at the same time good because the CFC can permit hole in the stratosphere and released heat
D. Both a and B
How infrared rays serve as an energy to make carbon dioxide a blanket?
A. Carbon dioxide react to infrared rays and destroy the ozone leaving it a blanket
B. Cabon dioxide absorbs the infrared rays and to the ground keeping the air near the surface warmer
C. Carbon dioxide only serve as a blanket if infrared rays reflect back towards the space
D. Both A and B
How volcanic eruptions contribute to cooling effect as one of the causes of global climate change?
A. Volcanic ashes and natural aerosols contribute cooling effect only to volcanoes near the equator because of wind patterns easterly and westerly
B. Volcanic ashes and natural aerosols contribute cooling effect only to volcanoes near the two opposite poles because of easterly and westerly wind patterns
C. Volcanic ashes and natural aerosols contribute cooling effect only to volcanoes near the equator because of pole wind patterns
D. Volcanic ashes and natural aerosols contribute cooling effect only to volcanoes near the equator evenly regardless of wind patterns.
Which is not included in causes of climate change?
A. Volcanic eruption
B. Orbital changes
C. Carbon dioxide theory
D. Human Activities
Which of the following shows interference of an organism?
A. Volcanic eruption
B. Orbital changes
C. Carbon dioxide theory
D. Human Activities
Which cause of climate change indicates a natural cause?
A. Volcanic eruption
B. Orbital changes
C. Human Activities
D. Both A and B
Which is not a greenhouse gas?
A. Methane
B. CFC
C. carbon dioxide
D. helium
A gas that continuously produced and destroy in the atmosphere.
A. O3
B. O2
C. carbon dioxide
D. helium
It undergoes chemical destruction in the atmosphere producing small amount of water vapor.
A. Methane
B. CFC
C. carbon dioxide
D. helium
A treaty that contribute that aimed to __________ is called Montreal treaty.
A. Regulate the production and use of chemicals that contribute to waterways system pollution
B. Regulate the production and use of chemicals that contribute to Ozone layer depletion
C. Regulate the production and use of chemicals that contribute to wasteland
D. Regulate the production and use of chemicals that contribute to ecological imbalance
Which is not considered as the effect of global warming?
A. Melting of ice sheets or glaciers would raise sea levels
B. Warming cause sudden shift in weather patterns like monsoons or El Nino
C. Flooded area each year
D. Maintain water supply because of flood
