Fungi are harmful in that they: |
|
Cause Dutch elm disease and chestnut blight
Cause diaper rash and ringworm infection
d. Both A and B are correct |
| |
Within the fungi, classification is based on: |
|
Reproductive structures |
| |
A plant disease called ergot is caused by: |
|
Claviceps purpurea |
| |
Which of the following is not a phylum of the fungi? |
|
Angiosperms
Gymnosperms
e. Both A and D are correct |
| |
Fungi are beneficial in that they: |
|
Have helped biologists learn about genetics
Have helped in the making of cheese and bread
Have helped in the making of fuel
Have been used to make antibiotics
e. All of the above are correct |
| |
Ruminants such as cattle could not digest cellulose without the help of: |
|
Chytridiomycetes and bacteria |
| |
Associations of fungi and plant roots are called: |
|
Micorrhizae |
| |
In fungi when two individuals fuse a stage is formed that is: |
|
Dikaryotic
Unique to fungi
d. Both A and B are correct |
| |
Histoplasma capsulatum: |
|
Is a fungus
Likes to inhabit bird droppings
e. Both A and B are correct
|
| |
In a fungus aggregated hyphae form a specialized spore producing organ called a: |
|
Fruiting body
Mushroom
Puff ball
Truffle
e. All of the above are correct |
| |
The fungus Arthrobotrys anchonia, a carnivorous fungus, belongs to the: |
|
Ascomycota |
| |
Zygospores: |
|
Are produced by fungi from the merger of two haploid cells
Have a distinctive spiny dark wall
d. Both A and C are correct |
| |
Ascomycetes aid in the production of: |
|
Penicillin
Cyclosporine
Bread and cheese
Beer and wine
e. All of the above are correct |
| |
Fungi that produce a thick-walled diploid cell called a zygospore formed from the union of two cells are: |
|
Zygomycetes |
| |
Fungi that do not have a known sexual phase are: |
|
Deuteromycetes |
| |
The fungi that produce sexual and asexual spores that have flagella are: |
|
Chytridiomycetes |
| |
Microscopic reproductive cells produced by most fungi are: |
|
Gills |
| |
The fungi that are referred to as "primitive fungi" are: |
|
Chytridiomycetes |
| |
Fungi that can live only in association with roots of plants may be placed into a phylum named: |
|
Glomeromycota |
| |
Yeasts are: |
|
Single-celled heterotrophs |
| |
Saccharomyces cerevisiae is commonly referred to as: |
|
The bread yeast |
| |
Which of the following is not an example of a basidiomycete? |
|
Truffle |
| |
Which of the following is a correct statement? |
|
Fungi are heterotrophs, but plants are essentially autotrophs |
| |
Fungi and animals are similar in that they both: |
|
Carry out photosynthesis
Have cell walls made of chitin
Use starch as their main storage carbohydrate
e. None of the above are correct |
| |
Coccidioides immitis causes a potentially fatal disease called: |
|
Valley fever |
| |
A dual organism that forms when a fungus harbors green algae is a: |
|
Lichen |
| |
Scientists that specialize in the study of fungi are: |
|
Mycologists |
| |
In the ecosystems of the world fungi act primarily as: |
|
Decomposers |
| |
Single-celled yeasts commonly reproduce by |
|
Budding |
| |
Mushrooms like the "death angel" produce a poison that if ingested may |
|
Prevent RNA production in cells
Prevent enzyme production in cells
Cause liver failure
Cause kidney failure
e. All of the above are correct |
| |
If an animal is an invertebrate, this means that the animal: |
|
Does not have a backbone |
| |
An animal that uses one opening to take in food and eject waste most likely has a(an): |
|
Incomplete digestive tract
Gastrovascular cavity
e. Both B and C are correct |
| |
Spiders and scorpions belong to the phylum: |
|
Arthropoda |
| |
Sponges belong to the phylum: |
|
Cnidarian
Platyhelminthes
Mollusca
Annelida
e. None of the above are correct |
| |
If an animal is a vertebrate, this means that the animal: |
|
Has a backbone |
| |
The groups of flatworms are |
|
Flukes
Free living
Tapeworms
Nonsegmented
e. All of the above are correct |
| |
Which of the following is not a characteristic of an arthropod? |
|
They have a coelom
They have bilateral symmetry
They have a complete digestive tract
They exhibit body segmentation
e. None of the above are correct |
| |
The embryonic germ layer of tissue in animals that develops into the digestive tract and organs derived from the digestive tract is the: |
|
Endoderm |
| |
The first animal to have its genome sequenced was: |
|
A nematode
Caenorhabditis elegans
e. Both B and C are correct |
| |
Which of the following does not have a true coelom? |
|
Roundworm |
| |
An example of an annelid is: |
|
A leech
An earthworms
A polychaete
A segmented worm
e. All of the above are correct |
| |
A mollusk that has arms connecting directly to the head of the animal is a:
a. Gastropod |
|
Cephalopod |
| |
Which of the following is not a characteristic of an annelid? |
|
They have an incomplete digestive tract |
| |
Cnidarians are: |
|
Aquatic animals |
| |
Corals and jellyfish belong to the phylum: |
|
Cnidaria |
| |
Which of the following is not a characteristic of a cnidarian? |
|
They have a coelom |
| |
A fluid-filled body cavity that forms completely within the mesoderm of animals is a: |
|
Coelom |
| |
Flukes and tapeworms belong to the phylum: |
|
Platyhelminthes |
| |
Snails and squids belong to the phylum: |
|
Mollusca |
| |
Which of the following characteristics do all animals share? |
|
They are multicelled
They are eukaryotic
d. Both A and B are correct |
| |
The embryonic germ layer of tissue in animals that develops into the muscles and reproductive system is the: |
|
Mesoderm |
| |
The causative agent of a disease called elephantiasis is: |
|
Wuchereria bancrfti |
| |
In animals, a sphere of embryonic cells surrounding a fluid-filled cavity that has folded in on itself and contains primary germ layers is called a: |
|
Gastrula |
| |
In animals, a sphere of embryonic cells surrounding a fluid-filled cavity is called a: |
|
Blastula |
| |
Which of the following is not a characteristic of a nematode? |
|
They have a coelom |
| |
Which of the following is not a characteristic of the echinoderms? |
|
They do exhibit cephalization |
| |
Animals that are segmented: |
|
Are millipedes
Are centipedes
Have repeated body parts
Are earthworms
e. All of the above are correct |
| |
The first animals arose about: |
|
570 million years ago |
| |
The type of body symmetry in which only one plane divides the body into mirror images is: |
|
Bilateral symmetry |
| |
If an organism like Symbian pandora is immobile during a stage of its life cycle, during this time it is referred to as being: |
|
Sessile |
| |
The chordates are a group containing about: |
|
55,000 species |
| |
Which of the following is not a characteristic of a Tunicate? |
|
They are endothermic |
| |
Mammals that lay eggs are: |
|
Monotremes |
| |
Fishes are: |
|
Aquatic animals
Vertebrates
Animals that have gills
Animals that have fins
e. All of the above are correct |
| |
Animals that have a backbone are referred to as |
|
Vertebrates |
| |
Which of the following is a reason why it is not a good idea to own wild-caught animals as pets? |
|
They may carry diseases
They may represent physical danger to their owners
If they are released or escape, they may threaten native species
Owning these animals may reduce their ability to repopulate their species in the wild
e. All of the above are correct |
| |
Mammals that nurse their young in pouches are: |
|
Marsupials
Kangaroos
d. Both A and C are correct |
| |
Which of the following is not an example of an amphibian? |
|
Turtle |
| |
Mammals arose: |
|
During the Triassic period |
| |
An animal whose body temperature tends to fluctuate with the external environment is a(an): |
|
Ectotherm |
| |
Which of the following is not a crocodilian? |
|
Tuatara |
| |
Reptiles evolved from amphibians during the: |
|
Carboniferous period |
| |
Which of the following are characteristics of reptiles? |
|
They are ectotherms with lungs
They have amnions and limbs
d. Both A and B are correct |
| |
Bony fishes make up ________________ of existing fish species. |
|
96% |
| |
Lampreys: |
|
Are jawless fishes
Are probably responsible for the decline of lake trout in the Great Lakes
d. Both A and B are correct |
| |
Which of the following is not a ray-finned fish? |
|
Lungfish |
| |
The primary function of external gills in aquatic animals is to: |
|
Exchange gases with the atmosphere |
| |
The only surviving member of the lobe-finned fishes is the: |
|
Coelacanth |
| |
Which of the following is not a characteristic of an amphibian? |
|
They have a cartilaginous skeleton |
| |
Which of the following is not a characteristic of the phylum Chordata? |
|
They have true tissues
They have bilateral symmetry
They have a gastrula with three germ layers
They have a true coelom
e. None of the above are correct |
| |
A bony or cartilaginous structure that surrounds and protects the brain of chordates is a(an): |
|
Cranium |
| |
Birds that are flightless are classified as: |
|
Ratites |
| |
Which of the following is not a vertebrate? |
|
Hagfishes |
| |
Which of the following is a characteristic of the phylum Chordata? |
|
They have a notochord |
| |
Birds that have a breastbone designed for flight are classified as: |
|
Carinates |
| |
Which of the following is not a characteristic of mammals? |
|
They have a two-chambered heart |
| |
Which of the following is not a characteristic of a lancelet? |
|
a. They do not have lungs
b. They are ectothermic
c. They are aquatic animals
d. They are invertebrates
e. None of the above are correct |
| |
Animals that lack a backbone are referred to as: |
|
Invertebrates |
| |
The function of vertebrae is to: |
|
Protect the nerve chord
Provide attachment points for muscles
d. Both A and B are correct |
| |
Which of the following is not an ecosystem that meets to help create great diversity in the vertebrate life at Tan Dao in Vietnam? |
|
The Siberian peninsula |
| |
Many chemical compounds that plants produce that we can use for a variety of purposes are: |
|
Terpenes
Alkaloids
Phenolics
Secondary metabolites
e. All of the above are correct
|
| |
Which of the following is not an edible vegetative part of a plant? |
|
Cucumber |
| |
The root cap: |
|
Protects the meristem from abrasion
Is located at the tip of the root
Secretes a lubricant for the growing root
Plays a role in sensing gravity
e. All of the above are correct |
| |
A plant that has very little or no woody tissue is a: |
|
Herbaceous plant
Dandelion
d. Both A and B are correct |
| |
The main vegetative parts of plants include: |
|
Roots, stems and leaves |
| |
The type of plant cell that provides support without interfering with growth and is familiar as the "strings in celery" is a: |
|
Collenchyma cell |
| |
Common softwood trees: |
|
Are Pine
Are Spruce
Are Fir
Produce wood that consists primarily of tracheids
e. All of the above are correct |
| |
Stems that grow along the soil surface asexually forming new plants at their nodes are: |
|
Stolons |
| |
The primary organ of photosynthesis in a plant is the: |
|
Leaf |
| |
Which of the following is not an example of an edible root? |
|
Potato |
| |
The main phloem conducting cells are |
|
Sieve tube elements |
| |
The ________________ transports water and dissolved minerals from the roots of the plant to the shoots of the plant. |
|
Xylem |
| |
A waxy layer secreted by the epidermal cells of a plant is the: |
|
Cuticle |
| |
The tissue that regrows a leaf from its base is the |
|
Intercalary meristem |
| |
The patch of actively dividing cells that is found near the tip of roots and shoots of plants is the: |
|
Apical meristem |
| |
If a gardener wanted to help prevent erosion along a slope it would be best to: |
|
a. Plant plants with taproots
b. Plant grasses
c. Plant plants with fibrous roots
d. Both A and B are correct
e. Both B and C are correct |
| |
Which of the following is not a function of a stem of a plant? |
|
Production of pollen |
| |
The type of plant cell that divides to produce the adventitious roots in a houseplant cutting is a: |
|
Parenchyma cell |
| |
The type of plant cell that provides rigid support and is dead at maturity is a: |
|
. Sclerenchyma cell |
| |
Which of the following is not a function of the root of a plant? |
|
Produce energy that the plant can use to carry out metabolism |
| |
Swollen regions of underground stems that store starch are |
|
Tubers |
| |
The pores through which leaves exchange gases with the atmosphere are: |
|
Stomata |
| |
Compound leaves are defined as being divided into: |
|
Leaflets |
| |
Internodes of plants are: |
|
Located on the stems |
| |
The cells that surround each stoma and control its opening and closing are: |
|
Guard cells |
| |
The protective layer of dermal tissue that covers a woody stem or root is the: |
|
Periderm |
| |
If a plant exhibits determinate growth the plant: |
|
Stops growing when the plant reaches its mature size |
| |
The shoot of a plant is: |
|
The above ground part of a plant
The below ground part of a plant
The stem and leaves of the plant
d. Both A and C are correct |
| |
Stems that coil around surrounding objects for support are: |
|
Tendrils |
| |
Aromatic herbs in the mint family include: |
|
Peppermint and spearmint
Sage and basil
Lavender and rosemary
d. All of the above are correct |
| |