BIO MCQS-WHICH OF THE FOLLOWING IS A COLONIAL FORM OF GREEN ALGAE?

    Question

    1 of 20

    Which of the following is a colonial form of green algae?

    Giardia

    Thiobacillus

    Volvox

    Paramecium

    Question

    2 of 20

    Land was first colonized about ______ years ago.

    100 million

    500 million

    570 million

    1.7 billion

    Question

    3 of 20

    In angiosperms, the male gametophyte develops within ______.

    male cones

    mycelia

    filaments

    anthers

    Question

    4 of 20

    Under what abiotic conditions can monomers spontaneously form polymers?

    When water evaporates from a hot surface

    When ribozymes are present to catalyze the reaction

    With the addition of water

    By biogenesis

    Question

    5 of 20

    Gametophytes reproduce ______.

    by fission

    by producing sperm and eggs

    by alternation of generations

    by budding

    Question

    6 of 20

    Under ideal conditions, prokaryotes are capable of reproducing at a(n) ______ rate.

    hypergeometric

    exponential

    infinite

    arithmetic

    Question

    7 of 20

    A pollen grain is a ______.

    female gametophyte

    sporophyte

    type of seed

    male gametophyte

    Question

    8 of 20

    Where and when does fertilization occur in the mushroom life cycle?

    Underground, as a mycelium begins to spread.

    On the surface of the ground, when a spore germinates.

    In a mushroom, when nuclei of a heterokaryotic cell fuse.

    In a mushroom, when sperm and eggs meet.

    Question

    9 of 20

    According to the theory of endosymbiosis, which organelles evolved from small prokaryotes that established residence within other, larger prokaryotes?

    Vacuoles and lysosomes

    Golgi apparatus and endoplasmic reticulum

    Centrioles and ribosomes

    Mitochondria and chloroplasts

    Question

    10 of 20

    What global climatic change gave gymnosperms an advantage over ferns?

    The climate becoming hotter and wetter

    The climate becoming cooler and drier

    Increased fluctuations in global climate

    The climate becoming cooler and wetter

    Question

    11 of 20

    Which protozoan group consists solely of parasitic forms?

    Apicomplexans

    Ciliates

    Flagellates

    Amoebas

    Question

    12 of 20

    An explorer found a plant that had roots, stems, and leaves. It had no flowers but produced seeds. This plant sounds like a(n)

    fern.

    bryophyte.

    angiosperm.

    gymnosperm.

    Question

    13 of 20

    Plants first moved onto land at least ______ years ago.

    65 million

    475 million

    1.2 billion

    3.5 billion

    Question

    14 of 20

    The prokaryotic group that tends to inhabit extreme environments belongs to the ______.

    kingdom Monera

    kingdom Protista

    domain Archaea

    domain Monera

    Question

    15 of 20

    In angiosperms, what structures house female gametophytes?

    Ovules

    Petals

    Stigma

    Sepals

    Question

    16 of 20

    Flagellates, amoebas, apicomplexans, and ciliates are all what type of protist?

    Slime molds

    Protozoans

    Diatoms

    Dinoflagellates

    Question

    17 of 20

    All prokaryotic and eukaryotic organisms that photosynthesize fit into which nutritional category?

    Chemoautotrophs

    Photoheterotrophs

    Photoautotrophs

    Chemoheterotrophs

    Question

    18 of 20

    From the point of view of an angiosperm, what is the function of fruit?

    It is where the male gametophyte develops.

    It provides structural support for the plant.   

    It is a mechanism for the dispersal of seeds.

    It attracts pollinators.

    Question

    19 of 20

    Whose experiments demonstrated that, given the conditions on the primitive Earth, biological monomers could arise spontaneously?

    Miller and Urey

    Darwin

    Watson

    Margulis

    Question

    20 of 20

    Like plants, fungi have ______; however, in plants they are composed of ______, whereas in fungi they are composed of ______.

    cell walls; cellulose; chitin

    cell walls; cellulose; peptidoglycan

    cell membranes; phospholipids; peptidoglycan

    cell membranes; cellulose; phospholipids

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