Course

Introductory Biology

Study Pack

Set 23 Plants

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Question 1

(Multiple Choice)

Free
Alternation of generations means

A)One phase of the life cycle takes place on land and the other in water.
B)One phase of the life cycle is photosynthetic and the other is heterotrophic.
C)One phase of the life cycle is diploid and the other is haploid.
D)One phase of the life cycle is unicellular and the other is multicellular.
E)One phase of the life cycle is motile and the other is stationary.

Answer

Question 2

(Multiple Choice)

Free
A prolonged period without rain is causing a major drought in the American Midwestern states.How would you expect crops to respond initially to the stress caused by the drought?

A)They will take in more carbon dioxide.
B)They will take in less carbon dioxide.
C)They will release more oxygen.
D)They will increase rates of photosynthesis.
E)They produce fewer secondary metabolites.

Answer

Question 3

(Multiple Choice)

Free
A tracheid is

A)a gametophyte cell
B)a small branch of an insect trachea
C)a seed-bearing stem
D)a specialized vascular cell
E)a reproductive chamber

Answer