Phosphorus Cycle

Question 1

which of the following are major reservoirs for phosphorus and phosphates?

a. terrestrial rocks
b. ocean sediment
c. lake water
d. atmospheric gas
e. legumes

Answer 1

A. Terrestrial Rocks
B. Ocean Sediment

Question 2

which of the following makes phosphates/phospohorus available to plants and animals?

a. transpiration
b. denitrification
c. photosynthesis
d. erosion

Answer 2

D. Erosion

Question 3

the P in ATP stands for phosphate.

True or False

Answer 3

True

Question 4

which is not true of phosphate

a. phosphate is not found as an atmospheric gas.
b. phosphate can be lost from the cycle for long periods of time as ocean sediment
c. phosphorus kills plants.
d. phosphate/phosphorus can cause eutrophication
e. it is found in small amounts in the soil.

Answer 4

C. Phosphorus Kills Plants

Question 5

which is not a process that affects the phosphorus cycle?

a. runoff
b. erosion
c. lightning
d. plate tectonics

Answer 5

Lightning

Question 6

which is not a human affected pathway of the phosphorus cycle?

a. excess air pollution
b. runoff from mining
c. runoff from sewage
d. runoff from fertilizer

Answer 6

A. Excess Air Pollution

Question 7

Phosphorus and Nitrogen are both found in the Atmosphere

Answer 7

False, Phosphorus is not in the atmosphere