Systems Quiz

Question 1

What are the four cycles?

Answer 1

Hydrologic, carbon, phosphorus, sulfur

Question 2

Water cycle

Answer 2

Movement of water from ocean to atmosphere back to ocean

Question 3

Transpiration

Answer 3

Release of water from leaves during photosynthesis

Question 4

What’s the rate of transportation affected by (3)

Answer 4

1. Increases in temperature
2. Increases in wind
3. Decreases in humidity

Question 5

Evapotranspiration

Answer 5

Combined amount of evaporation and transpiration

Question 6

What’s the human impact of hydrologic cycle (3)

Answer 6

1. Withdrawal
2. Increased chance of flooding
3. Deforestation

Question 7

What’s the carbon cycle

Answer 7

Movement of carbon around biosphere

Question 8

Where are the major reservations of carbon (3)

Answer 8

1. Oceans
2. Biosphere
3. Atmosphere

Question 9

What type of carbon do ocean, biosphere, and atmosphere have?

Answer 9

1. Carbonate and bicarbonate
2. Organic bio molecules
3. Atmosphere

Question 10

What are the human impacts on carbon cycle?

Answer 10

Major impact increasing CO2 concentration in atmosphere by burning fossil fuels and clear cutting

Question 11

What’s the equation for a combustion rxn, which is also known as -?

Answer 11

Carbon combustion

CH4+O2->CO2+H2O

Question 12

Nitrogen cycle

Answer 12

Movement of nitrogen around atmosphere

Question 13

What’s elemental nitrogen?

Answer 13

Na

Question 14

What’s nitrogen fixation?

Answer 14

Conversion of nitrogen gas molecule in atmosphere into ammonia (NH3) and ammonium (NH4+)

Question 15

What is nitrogen fixation accomplished by? (3)

Answer 15

Cyanbacteria in water
Bacteria in soil
And lightning

Question 16

What ways can nitrogen fixation occur? (2)

Answer 16

1. Biotic process

2. Bacteria converting N2->ammonium

Question 17

What are the abioticalls (2)

Answer 17

Combustion of NO2 to ammonium

Lightning

Question 18

What’s ammonification?

Answer 18

Decomposers convert organic remains into detritus and eventually into inorganic ammonia and ammonium ions
Organic N1->ammonium (NH4+)

Question 19

What’s nitrification?

Answer 19

Bacteria convert ammonia or ammonium ions in the soil into nitrate ions (NO3) for plants to uptake

Question 20

Denitrification?

Answer 20

Bacteria in aquatic sediments covert ammonia and ammonium ions into nitrogen gas (N2) and nitrous oxide (N2O)

Question 21

What are the human impacts on the N cycle? (3)

Answer 21

1. Excess nitrates
2. Burning of fossil fuels
3. Using inorganic fertilizers

Question 22

What’s the phosphorus cycle?

Answer 22

The movement of excess phosphorus around the biosphere
Does not include atmosphere, no gas form
Released from rocks

Question 23

Human impacts of phosphorus cycle? (1), causes and effects?

Answer 23

Phosphate runoff

Causes/effects:
Mining phosphorus rocks
Phosphorus containing detergents

Question 24

What’s the sulfur cycle?

Answer 24

Movement of sulfur around the biosphere

Question 25

What are the human impacts on sulfur cycle (1)

Answer 25

Release of sulfur dioxide (SO2) gas

Question 26

What's infiltration? What cycle?

Answer 26

Movement of water into the soil, water cycle

Question 27

What's percolation, what cycle?

Answer 27

Downward flow of water, water cycle

Question 28

What two ways does water return to the oceans from the land?

Answer 28

Groundwater flow, surface runoff

Question 29

Way that humans may intervene in water cycle? (2)

Answer 29

Withdrawal of water and disposing wastes

Question 30

Main reservoir for water on earth?

Answer 30

Oceans

Question 31

Main reservoir for fresh water? (7)

Answer 31

Lakes, rivers, ponds, glaciers, snow, ice, atmosphere

Question 32

Describe important role of plants through ecosystem?

Answer 32

Plant removes water from soil and, through transpiration, returns it back to the atmosphere through transpiration

Question 33

Study the nitrogen cycle picture

Answer 33

Yay!

Question 34

What two processes release carbon into the atmosphere?

Answer 34

Respiration and combustion

Question 35

Name the four reservoirs (sinks) that can act as a source of carbon

Answer 35

Atmosphere Coal Limestone (calcium carbonate) Oil of natural gas

Question 36

Diatoms carry out- and decomposers carry out -

Answer 36

Photosynthesis, respiration

Question 37

Photosynthesis equation | Respiration equation

Answer 37

6CO2+6H2O+Sunlight->C6H12O6+6O2 Respiration-reverse that

Question 38

What effect does human activity have on the amount of carbon stored in sinks

Answer 38

Reducing fossil fuels, increasing CO2 in atmosphere

Question 39

Describe 2 global effects arising from reducing fossil fuels

Answer 39

Increasing CO2 in atmosphere and increase pollution

Question 40

Suggest what could be done to alleviate increasing CO2 in atmosphere and increasing pollution

Answer 40

Minimize reliance on fossil fuels, find alternative