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Biology final test 7°
By SOL ALEJANDRA QUINTERO CANO
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Last updated about 5 years ago
20 questions
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Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
7.
The process by which bacteria transform atmospheric nitrogen (in air) into nitrogen molecules that are used by plants is called.
Question 8
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Question 9
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Question 10
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Question 11
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Question 12
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Question 14
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Question 15
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Question 16
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Question 17
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Question 18
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Question 19
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Question 20
20.
The letter E represents:
Cellular respiration
Photosynthesis
Burning fossil fuels
Sedimentation and formation of earth's crust
The letter D is related to the formation of:
Limestone rock
Greenhouse effect
Oxygen
Cellular respiration
Which one is not a consequence of burning fossil fuels is ..
Greenhouse effect
Plastic pollution
Global warming
Acidification of oceans and acid rain
The acididification of oceans caused by the excess of carbon dioxide in the atmosphere is a threat for marine organisms like fish or seals.
True
False
This is a living organism that helps to produce the majority of oxygen in the atmosphere.
Phytoplankton
Plants
Bacteria
Decomposers
The organisms that helps to transform the atmospheric nitrogen in simple nitrogen molecules and vice versa are
Animals
Plants
Scavengers
Bacteria
Artificial fertilizers are an environmental concern because they can pollute water causing algal blooms.
True
False
The proccesses that balance the levels of carbon dioxide and oxygen in the atmosphere are:
Burning fossil fuels and photosynthesis
Cellular respiration and photosynthesis
Photosynthesis and acidification
Formation of limestone rock
Which gas is increasing in the atmosphere and threatening the world with the greenhouse effect?
Carbon dioxide
Carbon monoxide
Ozone
Fluorocarbon
What is the main source of increasing greenhouse gases?
Increased cellular respiration
Increased use of fossil fuels
Increased diffusion from the oceans
Increased volcanic activity
Nitrogen is released into the atmosphere by:
Nitrogen fixation
Decomposition
Denitrification
Ammonification
The greatest concentration of nitrogen on the planet Earth is found in:
Living organisms, including bacteria
Fossil fuels
Oceans
The atmosphere
Which cycle relies heavily upon bacteria?
water
carbon
nitrogen
phosphorus
Many marine organisms incorporate carbon into their shells. These shells become part of the
Atmosphere
Ocean
Land food web
Limestone rock
Groundwater is water:
That runs
over
the ground and drains into a specific waterway
In lakes and rivers
In soil and aquifers
In the ocean
Most fresh water exists as:
Ice
Soil water
Surface water (lakes, rivers)
Atmosphere
Does precipitation happen before or after condensation?
Before
After
During
How you can name the water that flows in rivers and streams into the oceans and lakes
Evaporation
Precipitation
Condensation
Runoff
What is the correct term for plants releasing water from their leaves, which then evaporates?
Photosynthesis
Transpiration
Condensation
Hibernation