Principles of Accounting Online Exam 2_02

Online Exam 2_02

Return to Assessment List

Part 1 of 1 – 95.0/ 100.0 Points

Question 1 of 20 5.0/ 5.0 Points

The transfer of heat from the plant to the surrounding environment is influenced by the existence

of the boundary layer, which refers to the layer of:

A. waxy cutin on the surface of a leaf.

B. epidermal cells surrounding the stomata.

C. mesodermal cells beneath the epidermis.

D. still air or water adjacent to the surface of a leaf.

Question 2 of 20 5.0/ 5.0 Points

The C4 photosynthetic pathway is most common in:

A. gymnosperm trees.

B. angiosperm trees.

C. algae, bryophytes, and ferns.

D. grasses and shrubs in warm and dry climates.

Question 3 of 20 5.0/ 5.0 Points

Researchers Rosemary and Peter Grant have discovered that beak size frequency of Galápagos

Island medium ground finch populations varies with all the following EXCEPT:

A. rainfall.

B. seed hardness.

C. seed size.

D. seed color.

Question 4 of 20 5.0/ 5.0 Points

In the Hardy-Weinberg equation P + H + Q = 1, what does “Q” represent?

A. Total number of individuals in the population

B. Frequency of heterozygotes

C. Frequency of dominant homozygotes

D. Frequency of recessive homozygotes

Question 5 of 20 5.0/ 5.0 Points

Some species of animals in cold environments lower the freezing point of water in their tissues

by increasing solutes in their body fluids, especially:

A. glucose.

B. glycerol.

C. salt.

D. sucrose.

Question 6 of 20 5.0/ 5.0 Points

In photosynthesis, the net uptake of CO2 by a plant is greatest:

A. when PAR equals zero.