Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Chapter 23, Problem 10SQ
Summary Introduction
Concept introduction: Lichen is a symbiotic association existing between a
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What is the symbiotic relationship between fungi and plant roots in which fungal hyphae penetrate the cell walls of the plants root cells?
A-extomcorrhixa
B vascular mycorrhizae
C fungal rhizoids
D arbuscar mycorrhiza
E lichens
The greatest difference in health between two groups of plantsof the same species, one group with mycorrhizae and one groupwithout mycorrhizae, would be in an environment(A) where nitrogen-fixing bacteria are abundant.(B) that has soil with poor drainage.(C) that has hot summers and cold winters.(D) in which the soil is relatively deficient in mineral nutrients
A compound organism consisting of a photoautotroph and a fungus is called (a) an arbuscular endomycorrhiza (b) an ectomycorrhiza (c) a lichen (d) a pathogenic agent (e) an aflatoxin
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Biology: The Unity and Diversity of Life
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- What term describes the close association of a fungus with the root of a tree? a. a rhizoid b. a lichen c. a mycorrhiza d. an endophytearrow_forwardSome blue-green algae are used as bio fertilisers because they (a) are photosynthetic (b) have mucilage (c) grow everywhere (d) fix nitrogenarrow_forwardMost fungi obtain nutrients from_____ . a. nonliving organic matter c. living animals b. living plants d. photosynthesisarrow_forward
- When a fungus infects a plant, it (a) infiltrates leaves with lichens (b) forms relationships by attaching mycorrhizae to stems (c) secretes powerful digestive juices onto the leaves (d) uses haustoria to dissolve roots (e) enters leaves or stems through stomataarrow_forwardMycorrhizae a. are a type of lichen.b. are mutualistic relationships.c. help plants gather solar energy.d. help plants gather inorganic nutrients.e. Both b and d are correct.arrow_forwardMutualistic associations between fungi and the roots of plants are called (a) lichens (b) mycorrhizae (c) pathogenic associations (d) parasitic haustoria (e) mycotoxic symbiosesarrow_forward
- What is the term for the symbiotic association between fungi and cyanobacteria? a. lichen b. mycorrhizae c. epiphyte d. nitrogen-fixing nodulearrow_forwardMycorrhizae are often found associated with the roots of vascular plants, the best description of this symbiotic relationship is A. mutualistic B. parasitic C. commensalarrow_forwardWhat term describes the close association of a fungus with the root of a tree? a. arhizoid b. a lichen c. a mycorrhiza d. anendophytearrow_forward
- Which of the following statements is true regarding mycorrhizal relationships? a this relationship is a type of parasitism b bacteria partner with plant roots c fungi provide energy (ATP) for their partner d all glomeromycota are mycorrhizal fungi e no statements above are truearrow_forwardMycorrhizae enhance plant nutrition mainly by(A) absorbing water and minerals through the fungal hyphae.(B) providing sugar to root cells, which have no chloroplasts.(C) converting atmospheric nitrogen to ammonia.(D) enabling the roots to parasitize neighboring plantsarrow_forwardFungi are plants that lack: A. Oxygen B. Carbon dioxide C. Chlorophyll D. None of thesearrow_forward
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