Which project is most likely to interest a scientist working at a biotechnology company?

developing genetically modified corn plants

Earthquakes tell scientist

the earth's continents are constantly moving

Which describes a nonpoint source pollution?

Runoff from road into stream nearby

An upwelling is an area of

increased nutrients and high aquatic life

What is the importance of the Nitrogen Cycle?

N increases protein production in plants

Compare Epidemics to Pandemics

Epidemic affects fewer people than Pandemic

Increased nitrates in water come from ___________ and cause ______________.

Fertilizer; Algal Blooms (eutrophication)

Which is NOT an example of biotechnology?

Analyzing what planets are made of

Which best describes the characteristics of a river basin?

the land drained by a river and its tributaries

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8th Grade Science EOG Review 1

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NC 8th Grade Science EOG Review #8thgrade #science #eog

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Questions 35

Answers

1
How are viruses and parasites similar?
Both infect host organisms
Both reproduce using host cells
Both break down food using oxygen
Both are contagious
2
Which is the Tertiary Consumer?
Bunny
Snail
Lizard
Eagle
3
Which project is most likely to interest a scientist working at a biotechnology company?
developing genetically modified corn plants
sewage leak prevention
reconstructing fossils
conserving key species
4
If water has high turbidity, we know that
the water is safe to drink
the water is partly salty
the water is clear
the water is cloudy
5
Strawberry genes have been modified to resist frost. How is this a benefit for growers in NC?
A longer season
Easier harvesting
A larger berry
A pest resistant berry
6
When bacteria mutates to a "superbug", what causes this?
developing airborne characteristics
increasing special phyisiology
antibiotic resistance
vaccine resistance
7
Which renewable resource is responsible for releasing CO₂ when used as an energy source?
oil
hydroelectric
biomass
coal
8
New BioTech involves:
Using microbes to clean up oil spills
Using biomass to produce "green" energy
Using living cells to clone sheep
All of the above
9
Who is a Primary Consumer?
Lobster
Sea Urchin
Gull
Seal
10
A substance that causes cancer:
Vector
Pathogen
Carcinogen
Parasites
11
Pick an example of a Physical Change and Chemical Change.
Bending a Nail / Melting Gold
Tearing Paper / Burning Paper
Burning Paper / Tearing Paper
Lighting Fireworks / Baking a cake
12
Which belongs on the outermost shell of an atom?
Neutrons
Electrons
Photons
Protons
13
Earthquakes tell scientist
the earth's continents are constantly moving
the earth will eventually stablilize
the earth's climate is constantly changing
there are no faults in NC
14
NaCl is a/an
mixture
compound
impure substance
element
15
Which describes a nonpoint source pollution?
Liquid fertilizer from barrel into stream
Chemical spill in river next to a factory
Runoff from road into stream nearby
Oil in a stream next to a gas station
16
Which is an example of a physical change?
Boiling
Burning
Rusting
Rotting
17
An upwelling is an area of
decreased nutrients and high aquatic life
that the water is deep and cold
high nitrates
increased nutrients and high aquatic life
18
What is the importance of the Nitrogen Cycle?
N decreases protein production in plants
N decreases photosynthesis effectiveness
N increases photosynthesis effectiveness
N increases protein production in plants
19
Compare Epidemics to Pandemics
Epidemic caused by toxins; Pandemic caused by viruses
Epidemic = more deaths than Pandemic
Epidemic spreads further than a Pandemic
Epidemic affects fewer people than Pandemic
20
Terrestrial - Aquatic food web relationship?
Bird laying eggs in nest
Bear eating fish in river
Turtle burying eggs in sand
Fish eating plankton in ocean
21
Why is protein important to your diet?
Needed to change glucose into energy
Needed to produce water
Needed to store nutrients
Needed to repair tissue
22
What is thermal pollution?
Heated water
Cooled water
Acidic water
Turbid water
23
Which end is acidic?
All of it (0-14)
Left (0-6)
Right (8-14)
Middle (7)
24
One organism benefits and the other is unharmed:
Mutualism
Predator/Prey
Parasitism
Commensalism
25
Which of the following would be a field where you could work in biotechnology?
Geology
Engineering
Accounting
Pharmacology
26
Identity this chemical equation: 6CO₂ + 6 H₂O ----> C₆H₁₂O₆ + 6O₂
evaporation
Cellular Respiration
photosynthesis
glucose
27
Which of the following is a producer?
bacteria
algae
fish
woodpecker
28
What is the Carbon Cycle?
Carbon is exchanged among Earth's atmosphere.
All of the above.
Carbon is exchanged among Earth's oceans.
Carbon is exchanged in Earth's geosphere.
29
You are looking for a BioTech job. Which is controversial?
Bio-Pharmacy Tech
Forensic DNA analyst
Bioinformatics Computer Sci.
Genetic Engineer
30
Increased nitrates in water come from ___________ and cause ______________.
Trash; Floculation
Pollution; Coagulation
Fertilizer; Algal Blooms (eutrophication)
Soap; Low DO
31
Estuaries are:
Filters
All of the Above
Buffer Zones
Breeding Grounds
32
Which is NOT an example of biotechnology?
Developing more effective types of insulin
Analyzing what planets are made of
Environmental contaminates
Removing food allergies
33
Changing from solid ↔ gas, skipping the liquid phase all together.
Condensation
Sublimation
Transpiration
Precipitation
34
Which provides most energy in least amount of time
Potato
Meat
Milk
Fruit
35
Which best describes the characteristics of a river basin?
the land formed when estuaries and marshes form
the land formed as a river floods
the land drained by a river and its tributaries
the land at the mouth of a river

8th Grade Science EOG Review 1 Flashcards | StudBud