BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 30, Problem 2U
Summary Introduction
Introduction:
The life cycle of plants includes the formation of new seeds from the mature plant. The life cycle involves dispersion of seeds in the favorable environmental conditions.
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Which of the following is the role of iron in plants?
A. endosperm development and dehydrogenase activity
B. photodestruction of chlorophyll and chloroplast structure
C. energy transferring process for photosynthesis and respiration
D. regulatory component of proteins and metabolites in roots and leaves
Which of the following statements is NOT true of the stems of vascular plants?
a. Stems are composed of repeating segments, including nodes and internodes.
b. Primary growth only occurs at the shoot apical meristem.
c. Vascular tissues may be arranged on the outside of the stem or scattered throughout the stem.
d. Stems can contain stomata.
Phytochrome is a plant pigment protein that: a. mediates plant infection b. promotes plant growth c. mediates morphological changes in response to red and far-red light d. inhibits plant growth
Chapter 30 Solutions
BIOLOGY
Ch. 30.1 - List the evolutionary advantages of seeds.Ch. 30.1 - Distinguish between pollen and sperm in seed...Ch. 30.2 - Prob. 1LOCh. 30.2 - Prob. 2LOCh. 30.3 - Prob. 1LOCh. 30.3 - Prob. 2LOCh. 30.3 - Prob. 3LOCh. 30.4 - Describe four ways in which seeds help to ensure...Ch. 30.4 - List environmental conditions that can lead to...Ch. 30.5 - Prob. 1LO
Ch. 30.5 - Prob. 2LOCh. 30 - Using the graph in figure 30.13, calculate the...Ch. 30 - Prob. 1IQCh. 30 - Prob. 2IQCh. 30 - Prob. 3IQCh. 30 - Prob. 4IQCh. 30 - The lack of seeds is a characteristic of all a....Ch. 30 - Prob. 2UCh. 30 - Which of the following gymnosperms possesses a...Ch. 30 - In a pine tree, the microspores and megaspores are...Ch. 30 - Which of the following terms is NOT associated...Ch. 30 - Which of the following potentially represents the...Ch. 30 - Prob. 7UCh. 30 - Prob. 8UCh. 30 - The pericarp is the a. ovary wall. b. developing...Ch. 30 - Reproduction in angiospenns can occur more quickly...Ch. 30 - In double fertilization, one sperm produces a...Ch. 30 - Apply your understanding of angiosperms to...Ch. 30 - Comparing stems of two plant specimens under the...Ch. 30 - Prob. 5ACh. 30 - Fruits are complex organs that are specialized for...Ch. 30 - You haw been hired as a research assistant to...Ch. 30 - Prob. 2SCh. 30 - The relationship between flowering plants and...Ch. 30 - Prob. 4S
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- Primary phloem develops from: A. lateral meristem B. protoderm C. extrastelar cambium D. provascular tissuearrow_forwardWhich of the following plant structures is necessary for transpiration to occur? a. Sieve tubes c. Fruits b. Leaves d. Rootsarrow_forwardWhich of the following is NOT a component of a flower? a. Sepal c. Carpel b. Stamen c. Carpel d. Bractarrow_forward
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- New plants grow from pieces or cuttings of parent plants Choose the right answer: a. Regeneration b. Mitosis c. Budding d. Vegetative Propagationarrow_forwardMark the incorrect statement a.Plants show open form of growth b.Plants have self perpetuating cells throughout the life c.Inplants meristems are present only at root and shoot tips d.Cells found next to meristematic zone also show growtharrow_forwardwhich of the following best describes the seeds of dicots? a. the seeds produce only one cotyledon with no endosperm b. the seeds contain two cotyledons with endosperm c. the seeds contain two cotyledon and very little endosperm d. an example is bean e. c and darrow_forward
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