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Chapter 35
Plant Structure and Growth
Active Lecture Questions for use with Classroom Response Systems
Biology, Seventh Edition
Neil Campbell and Jane Reece
Edited by William Wischusen, Louisiana State University
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings
1. What is one result of an organism having
meristems?
a) a rapid change from juvenile to adult state
b) a seasonal change in leaf morphology
c) a rapid change from a vegetative state to a
reproductive state
d) indeterminate, life-long growth
e) production of a fixed number of segments
during growth
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings
2. One important difference between the anatomy of
roots and the anatomy of leaves is that
a) only leaves have phloem and only roots have
xylem.
b) the cells of roots have cell walls that are lacking in
leaf cells.
c) a waxy cuticle covers leaves but is absent in roots.
d) vascular tissue is found in roots but is absent from
leaves.
e) leaves have epidermal tissue but roots do not.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings
3. A short branch was cut into three segments, as
shown in this figure, to root some cuttings. Roots will
form at which position(s)? *
a) A only
b) A and B
c) A, B, and C
d) A, C, and E
e) A, B, C, D, and E
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings
4. While studying the plant Arabidopsis, a botanist finds
that an RNA probe produces colored spots in the
sepals of the plant. From this information, which
information can be inferred?
a) The differently colored plants will attract different
pollinating insects.
b) The RNA probe is transported only to certain tissues.
c) The colored regions were caused by mutations that
took place in the sepals.
d) The RNA probe is specific to a gene active in sepals.
e) More research needs to be done on the sepals of
Arabidopsis.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings
5. Which of these statements about human evolution is
true?
a) The ancestors of Homo sapiens were chimpanzees
and other apes.
b) Human evolution has proceeded in an orderly fashion
from an ancestral anthropoid to Homo sapiens.
c) The evolution of upright posture and enlarged brain
occurred simultaneously.
d) Different features have evolved at different rates.
e) Mitochondrial DNA analysis indicates that modern
humans are genetically very similar to Neanderthals.
Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings