Bio exam 4 quizes
The Ultimate Microbiology and Zoology Quiz
Test your knowledge of microbiology and zoology with this comprehensive quiz featuring 40 challenging questions. Covering topics such as bacterial processes, viral structures, fungal characteristics, and animal classifications, this quiz is perfect for students and enthusiasts alike.
Enhance your understanding and retention of important biological concepts. Dive into a variety of questions that will help you:
- Learn about microorganisms and their roles in ecosystems.
- Discover the diversity of life forms.
- Prepare for exams or simply test your knowledge!
One bacterial cell passes DNA to a second cell through a sex pilus in the process of
Conjugation
Transduction
Transformation
Replication
Bacterial cells pick up free pieces of DNA from the medium pieces that were released from dead bacteria in a process called
Transduction.
Replication.
Transformation.
Conjugation.
A new classification by domains separates prokaryotes into
Bacteria and Cyanobacteria.
Autotrophs and heterotrophs.
Archaea and Bacteria.
Photosynthetic bacteria and chemosynthetic bacteria.
Which statement is true about bacteria?
They lack ribosomes.
They contain a single, circular DNA molecule as the genetic material.
They usually lack a cell wall.
They divide sexually.
They contain a nucleus.
What general feature is necessary to consider an organism a microbe?
Small enough that a microscope is required to see them
Heterotrophic
Sexual reproduction
Small enough that a microscope is required to see them
Use aerobic respiration for metabolism
The life cycle stage of an animal virus during which a mature capsid forms around copies of the viral RNA genome is
Assembly.
Biosynthesis.
Budding.
Uncoating
Which of these is the most accurate description of a virus?
A cell at the boundary between living and nonliving things
Chemical complexes of RNA or DNA protected by protein
One of the smallest bacteria known
A member of the kingdom Virusae
A noncellular living organism
The capsid of a virus is composed of
Lipid.
Cellulose.
Protein.
DNA
RNA.
Bovine spongiform encephalopathy (BSE), or "mad cow disease," is caused by a(n)
Archeon.
Bacterium.
Cyanobacterium.
Prion.
Virus.
Which of the following kinds of molecules is thought to have been absent from the primitive reducing atmosphere?
Water vapor (H2O)
Hydrogen (H2)
Oxygen (O2)
Methane (CH4)
Single-celled eukaryotes are
Archaea
Land plants.
Animals.
Protists.
____ are organisms that break down dead organic matter in order to absorb the nutrient molecules.
Heterotrophs
Saprotrophs
Eukaryotes
Eukaryotes
In what way are fungi like heterotrophic bacteria?
They are both eukaryotic.
They are both heterotrophic and play an important role in ecosystems.
They are both photosynthetic and thus are producers.
They both produce gametes.
They both have cell walls of the same material.
Fungi are NOT photosynthetic because they lack
Cell membrane.
Chloroplasts.
Cell walls.
Xylem.
Which protist is NOT correctly linked to the type of movement it shows?
Euglena-pseudopod
Amoeboids-pseudopodia
Paramecium-cilia
Ciliates-cilia
A chain of asexual spores produced by a sac fungus is called
A basidiospore.
A mycelium.
An ascospore.
A conidia.
The mycelium is a mesh of filaments, each of which is called
An ascospore.
A hypha.
A basidiospore.
A conidium.
Which is an example of an alga?
Diatoms
Ciliates
Amoebae
Slime molds
An example of a filamentous green alga is
Volvox
Chlamydomonas.
Fucus
Spirogyra
The kingdom ____ are characterized by having filaments called hyphae that are used to absorb nutrients.
Archaea
Animalia
Plantae
Fungi
Which type of animal symmetry produces mirror images of each other no matter how the animal is sliced longitudinally?
Radial symmetry
Asymmetrical symmetry and bilateral symmetry
Asymmetrical symmetry
Why are real bath sponges so soft?
The harder silica or calcium spicules are absent and the softer spongin remains.
The spongin spicules are washed away and the silky silica remains.
The silica and spicules are washed away and the spongin treated with softening chemicals.
The silica is washed away and the calcium carbonate remains.
Which are NOT among the phylum Mollusca?
Clams
Squids
Snails
Nautiluses
Lobsters
The molluscs look so different, and yet we can tell they are related because they all
Have a mantle, visceral mass, and a foot.
Are segmented.
Have an external skeleton.
Have shells.
A major characteristic of the arthropods is the presence of
Jointed appendages.
A soft exoskeleton.
Radial symmetry.
Flame cells.
Which of the following statements is NOT correct about cnidaria?
The adult body is bilaterally symmetrical.
A jellylike mesoglea contains cells that form a nerve net throughout the body.
There are two tissue layers: an outer epidermis and inner gastrodermis.
Stinging cells contain a threadlike nematocyst released to capture prey.
Which of the following is NOT a characteristic of echinoderms?
Larva is bilaterally symmetrical
Endoskeleton of spiny, calcium-rich plates
Both sexual and asexual reproduction
Locomotion by muscles
Earthworms are
Annelids.
Arthropods
Molluscs
Platyhelminthes.
Which of the following is NOT true about protostomes?
They form a true coelom.
They are more advanced than acoelomates, but not as advanced as deuterostomes.
They will become mollusks, annelids, and arthropods.
The first opening during embryonic development becomes the anus.
Which of the following characteristics is NOT true about deuterostomes?
They are typically more advanced than protostomes.
They include the echinoderms and humans.
The second opening during embryonic development becomes the mouth.
They include the simplest of invertebrates.
Which of these characteristics is NOT found in the amphibians but is developed in reptiles?
Eggs with gelatinous covering
Internal fertilization
Aquatic larvae
Thin, moist skin
Which represents the correct order of evolution of chordate features?
Amnion - limbs - lungs - jaws - vertebrae
Lungs - jaws - vertebrae - amnion - limbs
Vertebrae - jaws - lungs - limbs - amnion
Limbs - lungs - jaws - vertebrae - amnion
All mammals have an embryo that develops with a placenta.
True
False
An animal that is characterized by vertebrae, dorsal hollow nerve cord, hair, and mammary glands must be a(n)
Mammal
Fish.
Bird.
Amphibian
Reptile.
Jaws are believed to have evolved from the
Cranium
First pair of gill arches.
Suckers of lampreys.
First ribs.
Mammals are different from birds in all these characteristics EXCEPT
Having hair.
Having mammary glands.
Maintaining a constant body temperature.
Having young born alive.
In vertebrates, the _______ is/are usually replaced by ________.
Pharyngeal pouches; gill arches
Dorsal hollow nerve cord; a ventral solid nerve cord
Gill arches; pharyngeal pouches
Notochord; a dorsal hollow nerve cord
Notochord; a vertebral column
Which of these is NOT a characteristic of a shark?
Ability to sense pressure of other swimming objects
Skeleton of cartilage
Ability to detect blood in minute amounts
Ability to sense electric currents in the water
A sucker used to attach to prey
The cartilaginous fishes include all EXCEPT
Whale shark.
Dogfish shark.
Skates.
Lampreys
Rays.
Defining characteristics of chordates are
Gill arches or pharyngeal pouches, dorsal tubular nerve cord, notochord, and postanal tail.
Dorsal hollow nerve cord, notochord, bilateral symmetry, and postanal tail.
Segmentation, dorsal hollow nerve cord, gill arches or pharyngeal pouches.
Bilateral symmetry, segmentation, and well-developed coelom.
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