Textbook Question
A fruit is:
a. A mature ovary
b. A mature ovule
c. A seed plus its integuments
d. An enlarged embryo sac
Ch. 38 - Angiosperm Reproduction and Biotechnology
Urry11th EditionCampbell BiologyISBN: 9789357423311
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Table of contents
- Ch. 1 - Evolution, the Themes of Biology, and Scientific Inquiry8
- Ch. 2 - The Chemical Context of Life8
- Ch. 3 - Water and Life6
- Ch. 4 - Carbon and the Molecular Diversity of Life9
- Ch. 5 - The Structure and Function of Large Biological Molecules9
- Ch. 6 - A Tour of the Cell6
- Ch. 7 - Membrane Structure and Function6
- Ch. 8 - An Introduction to Metabolism6
- Ch. 9 - Cellular Respiration and Fermentation10
- Ch. 10 - Photosynthesis7
- Ch. 11 - Cell Communication7
- Ch. 12 - The Cell Cycle10
- Ch. 13 - Meiosis and Sexual Life Cycles10
- Ch. 14 - Mendel and the Gene Idea14
- Ch, 15 - The Chromosomal Basis of Inheritance7
- Ch. 16 - The Molecular Basis of Inheritance9
- Ch. 17 - Gene Expression: From Gene to Protein9
- Ch. 18 - Regulation of Gene Expression10
- Ch. 19 - Viruses6
- Ch. 20 - DNA Tools and Biotechnology8
- Ch. 21 - Genomes and Their Evolution8
- Ch. 22 - Descent with Modification: A Darwininan View of Life6
- Ch. 23 - The Evolution of Populations5
- Ch. 24 - The Origin of Species6
- Ch. 25 - The History of Life on Earth6
- Ch. 26 - Phylogeny and the Tree of Life7
- Ch. 27 - Bacteria and Archaea8
- Ch. 28 - Protists7
- Ch. 29 - Plant Diversity I: How Plants Colonized Land7
- Ch. 30 - Plant Diversity II: The Evolution of Seed Plants7
- Ch. 31 - Fungi5
- Ch. 32 - An Overview of Animal Diversity4
- Ch. 33 - An introduction to Invertebrates6
- Ch. 34 - The Origin and Evolution of Vertebrates7
- Ch. 35 - Vascular Plant Structure, Growth, and Development8
- Ch. 36 - Resource Acquisition and Transport in Vascular Plants8
- Ch. 37 - Soil and Plant Nutrition10
- Ch. 38 - Angiosperm Reproduction and Biotechnology8
- Ch. 39 - Plant Responses to Internal and External Signals8
- Ch. 40 - Basic Principles of Animal Form and Function8
- Ch. 41 - Animal Nutrition7
- Ch. 42 - Circulation and Gas Exchange7
- Ch. 43 - The Immune System6
- Ch. 44 - Osmoregulation and Excretion6
- Ch. 45 - Hormones and the Endocrine System8
- Ch. 46 - Animal Reproduction8
- Ch. 47 - Animal Development8
- Ch. 48 - Neurons, Synapses, and Signaling6
- Ch. 49 - Nervous Systems8
- Ch. 50 - Sensory and Motor Mechanisms5
- Ch. 51 Animal Behavior6
- Ch. 52 - An Introduction to Ecology and the Biosphere7
- Ch. 53 - Population Ecology10
- Ch. 54 - Community Ecology9
- Ch. 55 - Ecosystems and Restoration Ecology8
- Ch. 56 - Conservation Biology and Global Change6
Chapter 38, Problem 4
Which statement concerning grafting is correct?
a. Stocks and scions refer to twigs of different species.
b. Stocks and scions must come from unrelated species.
c. Stocks provide root systems for grafting.
d. Grafting creates new species.
Verified step by step guidance1
Understand the concept of grafting: Grafting is a horticultural technique where tissues from one plant are inserted into those of another so that the two sets of vascular tissues may join together.
Identify the components involved in grafting: The 'stock' is the part of the plant that provides the root system, while the 'scion' is the part that is grafted onto the stock and typically contains the desired traits such as fruit or flower production.
Evaluate the options given in the problem: Consider each statement and determine its accuracy based on the definition and components of grafting.
Analyze option c: Stocks provide root systems for grafting. This statement aligns with the definition of grafting, where the stock is indeed the part that provides the root system.
Conclude which statement is correct: Based on the analysis, option c is the correct statement concerning grafting.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Grafting
Grafting is a horticultural technique where tissues from one plant are inserted into those of another so that the two sets of vascular tissues may join together. It is commonly used to propagate plants, repair damaged trees, or combine desirable traits from different plants. The process involves a stock (root system) and a scion (the upper part of the plant).
Stocks and Scions
In grafting, the stock refers to the plant that provides the root system, while the scion is the part of the plant that is grafted onto the stock. The stock supports the scion and provides it with water and nutrients. Typically, stocks and scions are chosen from related species to ensure compatibility and successful grafting.
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Compatibility in Grafting
For successful grafting, the stock and scion must be compatible, usually meaning they are from the same species or closely related species. This compatibility ensures that the vascular tissues can effectively join and function together. Unrelated species are generally not compatible for grafting, as their tissues may not integrate properly.
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Related Practice
Textbook Question
Double fertilization means that:
a. Flowers must be pollinated twice to yield fruits and seeds
b. Every egg must receive two sperm to produce an embryo
c. One sperm is needed to fertilize the egg, and a second sperm is needed to fertilize the polar nuclei
d. Every sperm has two nuclei
Textbook Question
'Bt maize'
a. Is resistant to various herbicides, making it practical to weed rice fields with those herbicides.
b. Contains transgenes that increase vitamin A content.
c. Includes bacterial genes that produce a toxin that reduces damage from insect pests.
d. Is a 'boron (B)-tolerant' transgenic variety of maize.
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Textbook Question
Some dioecious species have the XY genotype for male and XX for female. After double fertilization, what would be the genotypes of the embryos and endosperm nuclei?
a. Embryo XY/endosperm XXX or embryo XX/endosperm XXY
b. Embryo XX/endosperm XX or embryo XY/endosperm XY
c. Embryo XX/endosperm XXX or embryo XY/endosperm XYY
d. Embryo XX/endosperm XXX or embryo XY/endosperm XXY
Textbook Question
A small flower with green petals is most likely:
a. Bee-pollinated
b. Bird-pollinated
c. Bat-pollinated
d. Wind-pollinated
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Textbook Question
The black dots that cover strawberries are actually fruits formed from the separate carpels of a single flower. The fleshy and tasty portion of a strawberry derives from the receptacle of a flower with many separate carpels. Therefore, a strawberry is:
a. A simple fruit with many seeds
b. Both a multiple fruit and an accessory fruit
c. Both a simple fruit and an aggregate fruit
d. Both an aggregate fruit and an accessory fruit