Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Active Lecture Questions for use with Classroom Response Systems Biology, Seventh Edition Neil Campbell and Jane Reece Edited by William Wischusen, Louisiana State University Chapter 35 Plant Structure and Growth

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.