Chapter 15, Problem 14MC

The term mycosis means any abnormal condition or disease caused by a fungus. ___________ ___________ __________ _________

A horizontal underground stem that may or may not be fleshy and that is often specialized for asexual reproduction is called a (a) stolon (b) bulb (c) corm (d) rhizome (e) tuber

A mushroom is: a. the food-absorbing region of an ascomycete. b. the food-absorbing region of a basidiomycete. c. a reproductive structure formed only by basidiomycetes. d. a specialized form of mycelium not constructed of hyphae. e. a collection of saclike cells called asci.

Identify the correct pairing of a structure and its component(s). a. epidermis: companion cells b. phloem: sieve-tube elements c. sclerenchyma: nonlignified cell walls d. secondary cell wall: cuticle e. parenchyma: sclereids

What term describes a plant that requires nutrition from a living host plant? parasite saprophyte epiphyte insectivorous

The nutrition of some plants is enhanced by a mutually beneficial association between a root and a fungus. The association is known as a_______ a. root nodule b. myoorrhiza c. root hair d. hypha

The nutrition of some plants is enhanced by a mutually beneficial association between a root and a fungus. The association is known as _________. a. root nodule c. root hair b. mycorrhiza d. hypha

Which type of reproduction, sexual or asexual, might be more beneficial in the following circumstances and why? (a) a perennial (plant that lives more than two years) in a stable environment (b) an annual (plant that lives one year) in a rapidly changing environment (c) a plant adapted to an extremely narrow climate range