Bio II Homework- Chapters 28, 29

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Which of the following statements concerning microsporidia is FALSE?

They have mitochondria and Golgi complexes.

In a fungus, a complex multicellular reproductive structure is called:

a fruiting body.

The club fungi typically reproduce by producing:

basidia

Mushrooms that we eat are technically referred to as:

basidiocarps.

The cell walls of fungi are composed of

chitin

The characteristic brown, blue-green, pink, or other tints of ascomycetes are due to the ______ of their conidia

color

Reproduction in the black bread mold occurs between __________ hyphae.

+ and -

Fungi can grow under all of the following conditions except:

a dry environment

An example of a unicellular fungus

a yeast

The sac fungi are characterized by sexual reproductive structures called

asci

Yeasts reproduce asexually by:

budding

Asexual reproduction in sac fungi involves production of spores called

conidia

Cycads may be characterized as being:

dioecious and having motile sperm.

In plants, ovaries develop into:

fruits

The largest cones produced on a pine tree, the ones we are typically most familiar with, are the female cones that contain:

megasporangia

Most fungal spores are __________ reproductive cells that are produced __________.

nonmotile; sexually or asexually

In flowering plants, the immature male gametophyte is the:

pollen grain

Angiosperms have __________ in their phloem.

sieve tube elements

An example of a member of phylum Zygomycota is:

the black bread mold.

Which is NOT a member of phylum Ascomycota?

the black bread mold.

What makes up most of the mass of an individual mushroom?

underground mycelium

A __________ is a filament that makes up the vegetative body of most fungi

hypha

In plants, ovules develop into:

seeds

Seeds are reproductively superior to spores because:

seeds contain a young plant and also are protected by a seed coat.

__________ is a common chytridiomycete which exhibits alternation of generation.

Allomyces

What is FALSE when concerning gymnosperms and angiosperms?

Both groups have free-living gametophytes.

Extracts from the ginkgo tree are sold in over the counter (OTC) medicines purported to increase memory. Extracts from what other gymnosperm are also sold in OTC medicines, some of which have useful effects and others of which have controversial effects?

Ephedra

What am I? I am coenocytic, lack sexual reproduction, and reproduce asexually via blastospores.

Glomeromycetes

How many sperm cells contribute to the process of reproduction in angiosperms?

2

Monocot

A plant with parallel veins and floral parts in threes or multiples of three

Which of the following statements concerning mycorrhizae is FALSE?

Arbuscular mycorrhizae are extracellular.

Members of phylum __________ are the most primitive of the fungi and were previously classified as protists.

Chytridiomycota

Which one of the following is mismatched?

Dutch elm disease-glomeromycetes

Which of the following phyla is unusual, as it is composed of a single species?

Ginkgophyta

Which of the following gymnosperm groups has the most efficient water-conducting cells?

Gnetophyta

Alternation of generations

When plants have a distinct haploid stage and diploid stage

Leaf __________ in the fall is an adaptation for flowering plants to survive harsh winters in temperate climates.

abscission

Which of the following is not an adaptation of flowering plants that contributed to their evolutionary success?

adaptability of the gametophyte generation

The most diverse, successful, and familiar group of plants today

angiosperms

In a flowering plant, the __________ is the site of meiosis and, ultimately, the production of pollen.

anther

Which of the following is not a characteristic of fungi?

cell wall of lipopolysaccharides

Which group of fungi has hyphae that are multinucleate and not divided by septa?

coenocytic

In flowering plants, the __________ generation is dominant.

diploid sporophyte

In plants, phloem is associated with transport of

dissolved sugars

A basic difference between gymnosperms and flowering plants is: gymnosperms produce seeds borne naked, while flowering plants produce seeds enclosed within a fruit.

gymnosperms produce seeds borne naked, while flowering plants produce seeds enclosed within a fruit.

Black bread mold is __________, which means that it is self-sterile.

heterothallic

If a flower has sepals, petals, and stamens but lacks carpels, then that flower is

incomplete and imperfect.

Mycorrhizae benefit plants by:

increasing absorptive surface area of roots.

Evidence from vascular tissues and developmental stages suggests that stamens evolved from:

leaves

Most conifers have separate male and female reproductive parts on the same tree. This condition is referred to as:

monoecious.

In a mushroom, the primary mycelium is composed of __________ cells.

monokaryotic

A __________ is a tangled mass of hyphae.

mycelium

Dikaryotic cells are denoted as:

n + n

The female gametophyte generation in angiosperms is found in the:

ovule of the ovary

After fertilization in angiosperms, the ovule develops into the

seed

When bread gets moldy with visible black or blue spots, you are looking at masses of the colored:

spores

During pollination of flowering plants, pollen lands on the

stigma

The endosperm of an angiosperm seed is typically:

triploid (3n).

In plants, xylem is associated with the transportation of:

water and minerals

An example of a plant disease caused by a basiodiomycete is:

wheat rust

Pine pollen is primarily disseminated by:

wind


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