biology exam 2

Which of the following statements are true regarding eukaryotic and prokaryotic cells A. Prokaryotic cells are generally smaller than eukaryotic cells B. Prokaryotic cells have a true nucleus and eukaryotic cells lack a true nucleus C. Eukaryotic cells are usually unicellular and prokaryotic cells are usually multicellular D. Prokaryotic cells have membrane bound organelles and eukaryotic cells lack membrane-bound organelles

A. Prokaryotic cells are generally smaller than eukaryotic cells

Radiolarian form limestone and move via pseudopods. They would be classified as Ciliates Amoeboid Zooflagellates Apicomplexans

Amoeboid

Match the following pants with their description a. have seeds enclosed in fruit b. Short plants in which the gametophyte generation is the dominant generation c. Have true leaves in the form of microphylls d. Have windblown spores, swimming sperm, and megaphylls e. have cone with naked seeds Angiosperms Gymnosperms Bryophytes Ferns Lycophytes

Angiosperms Bryophytes Lycophytes Ferns Gymnosperms

Which of the following have a gametophyte dominant generation? Bryophytes Lycophytes Angiosperms Ferns Gymnosperms

Bryophytes

Retroviruses a. Contain DNA b. Only invade plants c. Produce protein directly from DNA d. Produce RNA from DNA e. Contain the enzyme reverse transcriptase

Contain the enzyme reverse transcriptase

This plant tissue is the outermost tissue that covers the entire body of a plant and functions in reduction of water loss Vascular Epidermal Ground

Epidermal

All plants that are called moss are true mosses? a. True b. False

False

Pollen grains are Female gametophyte Embryonic sporophytes Male gametophyte Megaspores Encapsulated ovules

Male gametophyte

Which of the following adaptations was first observed in ferns Vascular tissue Megaphylles Seeds Flowers Embryo protection

Megaphylles

Match the following parts of a flower to their description a. Part of the carpel that contains ovules b. Sticky part of the carpel that allows the pollen to attach c. Collective name for the structure that attract pollinators d. Protects the flower bud before it opens e. Produces the pollen Anther Ovary Corolla Stigma Sepals

Ovary Stigma Corolla Sepals Anther

Disease causing bacteria would be classified as which of the following Commensalism Mutualism Saptrophism Parasitism

Parasitism

This type of ground tissue is considered nonliving and functions to support mature regions of a plant Parenchyma Collenchyma Sclerenchyma

Sclerenchyma

This type of archaea requires hot, acidic environments Halophiles Thermoacidophiles Methanogens Cyanobacteria

Thermoacidophiles

Which of the following is a process in which a bacteriophage transmits viral DNA from one cell to another Transduction Endospores Binary Fission Conjugation Transformation

Transduction

Which of the following describes eudicots One cotyledon in seed Root xylem and phloem in a ring Parallel pattern of veins in leaf Flower parts in 3s or multiple of 3s Vascular bundles in distinct rings

Vascular bundles in distinct rings

A mycelium is a. A mass of fungal filaments b. A type of fungus with flagellated spores and gametes c. The main body of a typical fungus d. A mutualistic association between a fungus and a green alga or cyanobacterium e. Both a and c are correct

a. A mass of fungal filaments

Which of the following is not true if all viruses a. Have envelopes b. Consists of DNA or RNA c. Have a protein capsid d. Are obligate intracellular parasites

a. Have envelopes

Cyanobacteria are important producers, more specifically called a. Photoautotrophs b. Chemoheterotrophs c. Saprotrophs d. Photoheterotrophs e. Chemoautotrophs

a. Photoautotrophs

What structure enables a plant virus to move from one plant cell to the next a. Plasmodesmata b. Recognition Proteins c. Bacteriophages d. Insect Vectors e. Capsids

a. Plasmodesmata

Cell like structure that may have resulted from macromolecular self-assembly are referred to as a. Protocells b. Prototypes c. Archaea d. Prokaryotes e. Protist

a. Protocells

Fungi fulfill an ecological role by decaying mostly dead organic matter. Fungi are therefore called a. Saprotrophs b. Pathogens c. Photosynthesizers d. Carnivores

a. Saprotrophs

7. The fermentation capabilities of _ are used to produce bread and alcoholic beverages. a. Yeasts b. Chytrids c. Molds d. Mycorrhizal fungi e. Lichens

a. Yeasts

This part of a flower produces the pollen Anther Filament Stigma Ovary Calyx

anther

In which type of environment would you most likely find methanogenic bacteria a. High salt concentration b. Anaerobic c. Hot, acidic d. Aerobic

b. Anaerobic

Bacteria in your gut display which of the following type of relationship a. Parasitism b. Mutualism c. Commensalism

b. Mutualism

9. Algae are commonly grouped by their type of a. Feeding b. Pigment c. Habitat d. Sexual Reproduction e. Motility

b. Pigment

What two properties of water are critical in moving water through xylem? polarity and neutral pH cohesion and adhesion density as a solid and low molecular weight adhesion and density as a solid low molecular weight and cohesion

cohesion and adhesion

Which means of genetic recombination in bacteria often make use of sex pili a. Both transformation and transduction b. Transduction c. Translocation d. Conjugation e. Transformation

d. Conjugation

10. Naked strands of RNA not covered by a capsid are a. Retroviruses b. Prions c. Archaea d. Viroids

d. Viroids

Girdia is a protozoa that causes severe diarrhea. Giardia move around by the use of flagella. Which of the following classification of protozoans includes Giardia a. Apicomplexans b. Ciliates c. Amoeboids d. Zooflagellates

d. Zooflagellates

Which of the following is NOT a plant adaptation to land a.Presence of vascular tissue b.Seed production c.Development of flowers d.Ability to undergo photosynthesis e.Protection of the embryo in maternal tissue

d.Ability to undergo photosynthesis

Club mosses are classified as bryophytes' True False

false

T/F: Evidence shows that mitochondria and chloroplast were originally derived from a symbiotic relationship between bacteria and primitive eukaryotes True False

false

T/F: Nonwoody stems exhibit primary and secondary growth True False

false

The dominant generation of all vascular plants is the gametophyte a.True b.False

false

Which nutrient tends to become depleted due to traditional farming practices? Nitrogen Sulfur Calcium Phosphate Hydrogen

nitrogen

By definition, a fruit is derived from the Archegonium Corolla Calyx Ovary Stamen

ovary

Endosperm is a ________ tissue. haploid (n) triploid (3n) Vascular diploid (2n) Cotyledon

triploid (3n)

Bacteria have more than 1 DNA containing structures/molecules a)True b)False

true

Flowering plants and insects have coevolved over time True False

true

T/F: Ferns have sporophytes and gametophytes that are physically separated True False

true

The fermentation capabilities of this fungi are used to produce bread and alcoholic beverages Chytrids Yeasts Lichens Molds Mycorrhizal fungi

yeast

Which zone of the eudicot root tip is formed from the division of the apical meristem cells? zone of maturation zone of elongation zone of cell division root cap Epidermis

zone of elongation