student made questions

Question 1

which of the following types of plants is most likely to undergo photorespiration?
a. CAM
b. C3
c. C4
d. all of the above

Answer 1

c3

Question 2

which buffer system has a pH of 6.5-8

Question 3

which of the following is NOT a carbon rich epipedon?
a. mollic
b. umbric
c. ochric
d. melanic

Question 4

which is NOT an adaptation of desert plants?
a. drought evasion
b. drought resistance
c. small leaves
d. thin cuticles

Answer 4

a. drought evasion

Question 5

which soil type has no profile development and is the most similar to its parent material?

Answer 5

entisols

Question 6

a species with a wide geographic range is

Answer 6

ubiquitous

Question 7

which of the following is NOT a part of the calvin-benson cycle?
a. carboxylation
b. regeneration
c. reduction
d. oxygenation

Answer 7

oxygenation

Question 8

which is NOT a distinct feature of C4 plants?
a. the calvin cycle takes place in the mesophyll
b. rubisco is not required for photosynthesis
c. most vascular plants (~99%) are C4

Answer 8

most vascular plants (~99%) are C4

Question 9

What is O in CLORPT?

Answer 9

organisms

Question 10

what kind of weathering would most likely encounter at the peak of a mountain?

Answer 10

frost wedging

Question 11

What is not a characteristic of oxisols?
a. must have an oxic horizon
b. forms in tropical climates
c. soil colloids include iron and aluminum
d. very unstable soil

Answer 11

d. very unstable soil

Question 12

What evolutionary traits did plants develop to reduce water loss?

Answer 12

seeds
stomata
waxy cuticles

Question 13

which soil order is characterized by a white or lightly colored E horizon, distinctly reddish A horizon, extensive leaching, forming under coniferous or boreal forests?

Answer 13

spodosols

Question 14

how are gasses exchanged between the atmosphere and soil during diffusion?

Answer 14

oxygen diffuses in and carbon dioxide moves out

Question 15

humans are ___ selected

Answer 15

k

Question 16

which of the following does not slow down the microbial processing of carbon in the soil?

Answer 16

physical disconnection

Question 17

what type of phyllosilicate sheet is characterized by a 2:1 structure, non-expanding qualities, and a separate hydroxide sheet between the phyllosilicate layers?

Answer 17

chlorite

Question 18

the drainage of certain wetlands has resulted in extreme soil acidity. this is due primarily to which of the following processes that take place when the soil is drained?

Answer 18

oxidation of sulfur bearing minerals that produces sulfuric acid

Question 19

where are aridisols most likely to form?
a. in the rain shadow of mountains
b. arid areas with little precipitation
c. deserts
d. all of the above

Answer 19

all of the above

Question 20

which type of soil contains both carbon rich and poor mineral epipedon?

Question 21

forest soil ph

Answer 21

3.5-5

Question 22

acid sulfate soils ph

Answer 22

1.5-3

Question 23

sodic soil ph

Answer 23

8.5-10