Course
Introductory Biology
Study Pack
Set 3 Protista Plantae And Fungi
Question 1
(Multiple Choice)
Free
Cells carry out many chemical processes, some of which produce toxic by-products. If you were designing a cell, which of the following would provide the best method of protecting the cell from its own toxic by-products while allowing it to complete the chemical reactions necessary for life?
A)Modify the cell membrane so that the toxin could diffuse to the outside of the cell but not reenter.
B)Isolate the toxin-producing reactions within an organelle.
C)Improve the photosynthetic process to produce more energy.
D)Devise a noncarbon-based cellular chemistry that does not result in toxin production.
Answer
Question 2
(Multiple Choice)
Free
What adaptive advantage do the numerous projections shown below in the microphotograph of the foraminiferans, a type of zooplankter, confer? 
A)predator protection-they are difficult to eat
B)mobility-the projections function like oars
C)buoyancy-the projections reduce the rate of sinking
D)food acquisition-prey items are impaled
Answer
Question 3
(Multiple Choice)
Free
What criteria best characterize membership in the kingdom Protista?
A)A continuous lineage of descent from a common ancestor.
B)A large assortment of unique shared derived traits.
C)A common evolutionary heritage.
D)The inability to meet the characteristics that define each of the remaining eukaryotic kingdoms.
Answer