Font size
WorksheetsBIOGEOCHEMICAL CYCLES 2ND PART 3RD PARTIAL
Total questions: 30
Worksheet time: 16mins
In photosynthesis, plants use __________ to make _________
sugar and CO2; oxygen
water, sun, and CO2; oxygen and sugar
nitrogen and water; CO2 and sugar
water and minerals; sugar and oxygen
The factor that causes the most changes to the cycles is ______
weather
humans
temperature
time
In the nitrogen cycle, the important work is done by ________
fungi
insects
bacteria
worms
In evaporation, water _______
turns from a liquid state to vapor (gas)
falls from the sky like rain or snow
forms clouds
gets locked into ice
Evaporation of water from plant leaves is called _________
transpiration
respiration
digestion
oxidation
Which describes the relationship between plants and animals in the carbon cycle?
Plants produce and release oxygen that animals need
Plants produce and release carbon dioxide that animals need
Animals produce and release oxygen that plants need
Animals produce oxygen that plants turn into carbon dioxide
What process is part of the hydrological (water) cycle?
transpiration
nitrification
combustion
sedimentation
When water is heated in the ocean by the sun and turns into water vapor
Condensation
Evaporation
Transpiration
When water flows back into the ocean it is called
run-off
transpiration
precipitation
When water vapor is cooled and forms droplets...
condensation
evaporation
transpiration
When water turns into a gas...
condensation
evaporation
precipitation
During evaporation water changes from ...
water vapor (gas) to liquid
liquid to water vapor (gas)
water vapor (gas) to solid ice
The process in which nitrogen circulates and is recycled is called
The nitrogen cycle
The carbon cycle
The water cycle
The phosphorus cycle
How is nitrogen "fixed" into a usable form for plants?
Through action of bacteria only
Through lightning only
Through action of bacteria and lightning
Through photosynthesis
Plants and animals cannot use nitrogen directly from the air.
True
False
A biogeochemical cycle is the way in which an element or compound move between its various living and nonliving forms and locations in the biosphere.
TRUE
FALSE
This is found in all organic macromolecules and is also key component of fossil fuels.
(a)
This is a groundwater reservoir often tapped by wells.
(a)
Bacteria play a key role in the nitrogen cycle.
TRUE
FALSE
When fertilizers containing nitrogen and phosphorus are carried in runoff to lakes and rivers, plants die.
TRUE
FALSE
