SCSC 301 Exam 1 Review Questions and Answer (Multiple choices) Verified Answers

SCSC 301 Exam 1 Review Questions and
Answer (Multiple choices) Verified
Answers
Soil is a dynamic natural body having properties due to the
combined effects of __________ as modified by topography
acting on parent material over time.



A) Weather and temperature

B) Climate and biota

C) slope and time

D) climate and rainfall

E) Organisms and parent material - Correct Answer ✅B.
Climate and biota



A typical moist surface soil ideally contains _____% water on a
volume basis.



A. 5

B. 10

C. 25

D. 45

E. 50 - Correct Answer ✅C. 25%

,SCSC 301 Exam 1 Review Questions and
Answer (Multiple choices) Verified
Answers

A soil that supports plant life must provide which of the
following, EXCEPT



a. nutrients

b. oxygen

c. carbon dioxide

d. water

e. physical support - Correct Answer ✅c. Carbon dioxide



Primary minerals that may weather to form secondary clay
minerals in soils include:



a. feldspars, hornblende, and mica

b. feldspars, quartz, and calcite

c. apatite, hornblende, and gypsum

d. apatite, feldspars, and calcite

e. feldspars, hematite, and goethite - Correct Answer ✅a.
Feldspars, Hornblende, and Mica

, SCSC 301 Exam 1 Review Questions and
Answer (Multiple choices) Verified
Answers

A primary silicate mineral that is resistant to weathering is:



a. hematite

b. apatite

c. mica

d. quartz

e. dolomite - Correct Answer ✅d. quartz



Intensive weathering typically results in soils with high
concentrations of __________, because these are secondary
minerals that are resistant to further weathering.



a. calcite, dolomite, and gypsum

b. hornblende and feldspar

c. granite and basalt

d. hematite and gibbsite

e. horneblende and marble - Correct Answer ✅d. hematite
and gibbsite