Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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The
name streptococcus tells you that the bacteria are arranged as _____. a. | long chains of
round cells | c. | pairs of round
cells | b. | chains of rods | d. | groups of spirals | | | | |
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2.
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Bacteria are used in _____. a. | the medical industry | c. | farming | b. | the food
industry | d. | all of
these | | | | |
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3.
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To
control water loss, the size of the stomata is reduced by the _____. a. | cambium | c. | xylem | b. | guard cells | d. | phloem | | | | |
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4.
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All
organisms in the kingdoms Protista, Plantae, Fungi, and Animalia are a. | multicellular
organisms. | c. | eukaryotes. | b. | photosynthetic organisms. | d. | prokaryotes. | | | | |
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5.
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What
is the most likely seed-dispersal mechanism for a seed with hooks? a. | eaten by
animals | c. | wind | b. | catch in animal fur | d. | water | | | | |
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6.
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This
kingdom is known having the planet’s decomposers. a. | Protista | c. | Plantae | b. | Fungi | d. | Animalia | | | | |
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7.
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Roots
growing with gravity and stems growing against gravity are examples of a. | gravitropism. | c. | thigmotropism. | b. | phototropism. | d. | photoperiodism. | | | | |
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8.
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A
plant is a(an) a. | unicellular
prokaryote. | c. | unicellular
eukaryote. | b. | multicellular prokaryote. | d. | multicellular eukaryote. | | | | |
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9.
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The
second part of a scientific name is unique to each a. | order in its
class. | c. | genus in its
family. | b. | family in its order. | d. | species in its genus. | | | | |
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10.
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Vascular tissue in plants consists of a. | meristem. | c. | parenchyma and
collenchyma cells. | b. | xylem and phloem. | d. | epidermal cells. | | | | |
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11.
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Fungi
are classified by the way they _____. a. | recycle nutrients | c. | obtain their food | b. | form symbiotic
relationships | d. | produce sexual
spores | | | | |
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Figure
23–6
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12.
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Inferring In part C of Figure 23–6, what process is helping to bring water
to the top of the plant? a. | Capillary Action | c. | Photosynthesis | b. | Transpiration | d. | Respiration | | | | |
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13.
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Seeds
that are dispersed by wind and water typically are a. | lightweight. | c. | nutritious. | b. | large. | d. | sweet and fleshy. | | | | |
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14.
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Which
of the following processes brings about an exchange of genetic information between bacterial
cells? a. | replication | c. | binary
fission | b. | mutualism | d. | conjugation | | | | |
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15.
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Hormones that stimulate cell elongation and are produced in the rapidly growing region
near the tip of the plant’s root or stem are called a. | auxins. | c. | cytokinins. | b. | ethylenes. | d. | gibberellins. | | | | |
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