BI 111 Final Exam Review Flashcards Quizlet PDF

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4/24/2021

BI 111 Final Exam Review!!! Flashcards | Quizlet

BI 111 Final Exam Review!!! Terms in this set (87) The pith is composed primarily of which type of cell? a) sclerenchyma parenchyma

b) parenchyma c) collenchyma d) sclereids e) fibres

Which type of cell contains significant deposits of pectin? a) sclerenchyma collenchyma

b) parenchyma c) collenchyma d) sclereids e) fibres

Lateral roots form from the _____ when stimulated by _____ a) apical meristem; auxin pericycle; auxin

b) pericycle; auxin c) vascular cambium; gibberellin d) periderm; auxin e) unicycle; gibberellin

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BI 111 Final Exam Review!!! Flashcards | Quizlet

Which of the following traits is seen in monocot plants? a) taproot system b) vascular bundles of stem in ring in ground tissue usually floral parts in 3's

c) leaf veins in netlike array d) usually floral parts in 3's e) two cotyledons inside seeds

What is the term that describes the layer of cells that covers the primary plant body? a) pericycle epidermis

b) endodermis c) lateral meristem d) cuticle e) epidermis

Companion cells are specialized _____ cells that load/unload sugars from the _____ parenchyma; sieve tube members

a) schelernchyma; vessel members b) parenchyma; tracheids c) collenchyma; sieve tube members d) parenchyma; sieve tube members e) collenchyma; vessel members

What tissue gives rise to the secondary xylem and phloem in shoots? a) apical meristem vascular cambium

b) cortex c) Caspian strip d) vascular cambium e) exodermis

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BI 111 Final Exam Review!!! Flashcards | Quizlet

Heartwood is formed from ____, that is filled with ____ a) functional xylem; water and solutes non-functional xylem;

b) non-functional xylem; defensive compounds

defensive compounds

c) functional phloem; water and solutes d) non-functional phloem; water and sugars e) non-functional xylem; offensive compounds

In what type of plant is new material added on the outside of the stem, underneath the bark? a) adventious exogenous

b) endogenous c) bryophyte d) endosperm e) exogenous

Dissolving a solute inside a cell has the effect of ____ its water potential (relative to the outside environment), which will result in water moving ____ the cell decreasing; into

a) increasing; out of b) decreasing; out of c) increasing; into d) decreasing; into e) increasing; within

What happened when a slice of potato is placed into a heavily salted solution? the cells will become plasmolyzed

a) the cells will become flacid b) the cells will become plasmolyzed c) the cells will become turgid d) the cells will burst e) nothing

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4/24/2021

BI 111 Final Exam Review!!! Flashcards | Quizlet

What happened when a slice of potato is placed into pure water? a) the cells will become flacid the cells will become turgid

b) the cells will become plasmolyzed c) the cells will become turgid d) the cells will burst e) nothing

Why doesn't the slice of potato burst when placed into pure water? a) the plasma membrane is strong the presence of the cell-wall

b) increased transpiration c) increased solute potential d) the presence of the cell-wall e) nobody knows

The name of the large central vacuole in a plant cell is called a) a stomata a tonoplast

b) a tonoplast c) a plasmodesma d) a root hair e) a cell wall

Placing a plant cell in a sucrose solution results in ____ water loss, which results in a ____ cell a) uncontrollable; turgid uncontrollable; flaccid

b) uncontrollable; flaccid c) uncontrollable; plasmolyzed d) controllable; turgid e) controllable; plasmolyzed

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BI 111 Final Exam Review!!! Flashcards | Quizlet

The pathway(s) by which water moves exclusively through non-living regions of the root is the... a) apoplastic pathway apoplastic pathway

b) symplastic pathway c) tansmembrane pathway d) a & b e) b & c

Guard cells open when ____ ions are actively pumped into cells. They can be triggered to close by the release of ____ potassium; abscisic acid

a) sodium; abscisic acid b) hydrogen; ethylene c) calcium; auxin d) potassium; abscisic acid e) nitrogen; ethylene

Which soil layer often contains little organic material, but more minerals? a) A horizon B horizon

b) B horizon c) C horizon d) O horizon e) bedrock

The fertility of which soil layer is most adversely affected by acid rain? a) A horizon A horizon

b) B horizon c) C horizon d) O horizon e) bedrock

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BI 111 Final Exam Review!!! Flashcards | Quizlet

In cation exchange, plants are able to liberate ____changed ions that are bound to clay particles, by releasing ____ into their surroundings a) positively; H+ and CO2 positively; H+ and CO2

b) positively; H+ and HCO3c) positively; HCO3- and CO2 d) negatively; HCO3- and H+ e) negatively; H2O and CO2

The bacteria in root nodules of legumes perform which functions? a) proton-fixation nitrogen-fixation

b) sodium-fixation c) potassium-fixation d) nitrogen-fixation e) cadmium-fixation

The bacteria in root nodules of legumes represent what kind of relationship? a) herbivory mutualism

b) commensalism c) amensalism d) parasitism e) mutualism

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BI 111 Final Exam Review!!! Flashcards | Quizlet

How do coniferous soils compare to deciduous forest soils? a) coniferous soils are more acidic, with more coniferous soils are more acidic, with less nutrients available

nutrients available b) coniferous soils are more basic, with more nutrients available c) coniferous soils are more acidic, with less nutrients available d) coniferous soils are more basic, with less nutrients available

How do grassland soils compare to deciduous forest soils? a) grassland soils are more acidic, and more nutrient-rich grassland soils are more basic,

b) grassland soils are more basic, and more

and less nutrient-rich

nutrient-rich c) grassland soils are more basic, and less nutrientrich d) grassland soils are more acidic, and less nutrientrich

What kind(s) of root is/are best suited to desert soils? a) fibrous roots taproot

b) adventious roots c) taproot d) root beer e) a & b

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BI 111 Final Exam Review!!! Flashcards | Quizlet

What kind(s) of root is/are best suited to grassland soils? a) fibrous roots fibrous roots

b) adventious roots c) taproot d) root beer e) a & b

What kind of plant has a fibrous root system? a monocot (a type of angiosperm)

a) a eudicot (a type of angiosperm) b) a monocot (a type of gymnosperm) c) a eudicot (a type of gymnosperm) d) a monocot (a type of angiosperm)

Where are most cytokinins primarily synthesized? a) root tips root tips

b) shoot tips c) damaged tissues d) leaves e) fruits

Inside the carpel are found ____, which contain ____, which contains the female gametophyte ovary(ies); ovule(s)

a) ovule(s); ovary(ies) b) ovary(ies); ovule(s) c) ovule(s); ovule(s) d) ovary(ies); ovary(ies)

What is the name of the female gametophyte in plants? a) egg embryo sac

b) ovary c) gamete d) embryo sac e) sue

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BI 111 Final Exam Review!!! Flashcards | Quizlet

What is the name of the male gametophyte in plants? a) sperm cell pollen grain

b) pollen grain c) anther d) embryo sac e) sue

Within a plant's embryo sac which cell(s) gives rise to the endosperm? a) the micropyle the central cell

b) the egg c) the antipodals d) the synergids e) the central cell

Within a plant's embryo sac which cell(s) function is to signal the tube cell? a) the micropyle the synergids

b) the egg c) the antipodals d) the synergids e) the central cell

In the angiosperm life cycle, which of the following is NOT a member of the sporophyte generation? a) carpel pollen

b) anther c) pollen d) ovary e) petal

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BI 111 Final Exam Review!!! Flashcards | Quizlet

Following fertilization, what does the pericarp develop from? a) the endosperm the ovary wall

b) the ovary wall c) the anther d) the testa e) the radicle

What is the function of the pericarp? a) protect the seed a & b only

b) helps disperse the seed c) feeds the seed d) a, b & c e) a & b only

What is the structure that provides support and nutrient transfer to the developing plant embryo? the supensor

a) the pericarp b) the cotyledon(s) c) the supensor d) the endosperm

The upwards growth of the shoot & downwards growth of the root is called an... a) thigmomorphogenesis gravitropism

b) nastic movement c) phototrophism d) gravitropism e) thigmatropism

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10/23

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BI 111 Final Exam Review!!! Flashcards | Quizlet

The growth of the shoot towards a fixed light source is called an... a) thigmomorphogenesis phototropism

b) nastic movement c) phototropism d) gravitropism e) thigmatropism

The plant hormone that regulates gravitropism is... a) abscisic acid auxin

b) gibberellin c) ethylene d) cytokinin e) auxin

Gravitropism in roots occurs because... a) auxin accumulation on the bottom of the root inhibits their growth auxin accumulation on the

b) auxin accumulation on the top of the root inhibits

bottom of the root inhibits their

their growth

growth

c) auxin accumulation on the top of the roots promotes their growth d) auxin accumulation on the bottom of the root promotes their growth

In a species with self-incompatibility, the avoidance of ____ costs comes at the risk of ____ inbreeding depression;

a) outbreeding depression; increased seed set

decreased seed set

b) inbreeding depression; increased seed set c) inbreeding depression; decreased seed set d) outbreeding depression; decreased seed set

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BI 111 Final Exam Review!!! Flashcards | Quizlet

In a eudicot embryo, the root will develop from... a) the radicle b) the epicotyl the radicle

c) the hypocotyl d) the ground e) the cotyledons

In a eudicot embryo, the first leaves will develop from... a) the radicle the plumule

b) the epicotyl c) the hypocotyl d) the plumule e) the cotyledons

Which of the following whorls are both nonfertile/vegetative? a) carpel & stamen petals & sepals

b) stamen & petals c) sepals & carpels d) stamen & sepals e) petals & sepals

A flower that has both stamen and carpels on the same flower is called... a) a dioecious plant a perfect plant

b) a perfect plant c) an imperfect plant d) an irregular plant e) a regular plant

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BI 111 Final Exam Review!!! Flashcards | Quizlet

A species that exhibits staminate and pistilate flowers on the same plant is called... a) a dioecious plant a monoecious plant

b) a herkogamous plant c) an allopollypoid plant d) an autopollypoid plant e) a monoecious plant

The way in which plants reduce self-fertilization by altering the timing of the maturation of stamens and carpels is called... dichogamy

a) self-incompatability b) herkogamy c) semelparity d) dichogamy e) dioecy

The way in which plants reduce self-fertilization by altering the position of stamens and carpels on a flower is called... herkogamy

a) self-incompatability b) herkogamy c) semelparity d) dichogamy e) dioecy

stems bend towards the light through the action of ____, that causes cells on the ____ of the stem to elongate auxins; shaded side

a) gibberellins; shaded side b) abscisic acid; lighted side c) cytokinins; downwards side d) jasmonates; upwards side e) auxins, shaded side

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BI 111 Final Exam Review!!! Flashcards | Quizlet

Bolting is characterized by increased ____ growth, and is stimulated by ____ a) secondary; gibberellins internode; gibberellins

b) lateral stem; auxins c) root; auxins d) internode; gibberellins e) primary; auxins

The various cultivars of B. oleracea are the result of... a) sexual selection artificial selection

b) natural selection c) stabilizing selection d) artificial selection e) genetic drift

The swelling of the stem in Kohlrabi is likely due to an increase in the expression of... a) cytokinin cytokinin

b) ethylene c) auxin d) abscisic acid e) gibberellins

The relative amount of growth of roots and shoots depends on the ratio of ____ to ____ a) auxin; gibberellin auxin; cytokinin

b) gibberellin; cytokinin c) auxin; cytokinin d) ethylene; gibberellin e) auxin; ethylene

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BI 111 Final Exam Review!!! Flashcards | Quizlet

The way in which a plant physically isolates damage by surrounding it with dead cells a) systematic acquired resistance hypersensitive response

b) salicylic acid c) PR proteins d) jasmonate e) hypersensitive response

A plant's growth in response to non-directional stimuli are called... a) circadian rhythms nastic movements

b) nastic movements c) thigmotrophism d) phototropism e) gravitropism

The spread of indehiscence in artificially selected grains is primarily due to a ____ production at maturity decrease in ethylene

a) increase in cytokinin b) decrease in ethylene c) decrease in auxin d) decrease in cytokinin e) increase in ethylene

What hormone acts antagonistically to ethylene? a) cytokinin auxin

b) gibberellin c) auxin d) cytokinin e) brassinosterioids

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BI 111 Final Exam Review!!! Flashcards | Quizlet

The pigment phytochrome is activated by exposure to ____ light, and is used by plants to measure the length of ____ a) red light; days red light; nights

b) red light; nights c) far-red light; nights d) far-red light; days e) red light; afternoons

Normally, plants ____ in the Fall in response to ____ a) enter dormancy; longer nights enter dormancy; longer nights

b) break dormancy; longer nights c) enter dormancy; shorter days d) break dormancy; shorter days

A species that can survive anywhere in its environment, & has a poor dispersal capacity will most likely have a... clumped dispersion pattern

a) random dispersion pattern b) uniform dispersion pattern c) clumped dispersion pattern d) unknown dispersion pattern

A species that can survive anywhere in its environment, and has an excellent dispersal random dispersion pattern

capacity will likely have a a) random dispersion pattern b) uniform dispersion pattern c) clumped dispersion pattern

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BI 111 Final Exam Review!!! Flashcards | Quizlet

In dormancy, the increased synthesis of ____ leads to an ____ of growth of buds a) ethylene; promotion abscisic acid; inhibition

b) abscisic acid; inhibition c) gibberellin; inhibition d) auxin; inhibition e) jasmonates; promotion

Cutting the tips and flowers off of a plant will have what effect? more lateral growth, accelerated senescence

a) more lateral growth, accelerated senescence b) less lateral growth, accelerated senescene c) more lateral growth, delayed senescence d) less lateral growth, delayed senescence e) makes the plant look less attractive

400 marked birds were released into a large population. Later, in a random sample of 1000 birds, 50 were recovered. What is the best estimate of the population size? 8000 birds

a) 1000 birds b) 1050 birds c) 4000 birds d) 8000 birds e) 12000 birds

90 birds were released into a large population. Later, in a random sample of 200 birds, 8 were recovered. What is the best estimate of the population size? 2250 birds

a) 298 birds b) 2000 birds c) 2250 birds d) 2980 birds e) 1777 birds

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BI 111 Final Exam Review!!! Flashcards | Quizlet

Which of the following populations is LEAST likely to experience significant growth in the near future? a) long generation time, most post-reproductive age individuals, with male-biased sex ratio long generation time, mostly

b) short generation time, mostly reproductive age

post-reproductive age

individuals, with female-biased sex ratio

individuals, with male-biased

c) short generation time, mostly post-reproductive

sex ratio

age individuals, with female-biased sex ratio d) short generation time, mostly pre-reproductive age individuals, with female-biased sex ratio e) long generation time, mostly post-reproductive age individuals, with even sex ratio

The life history of a population is likely to evolve in which way following an reduction in predation rate? a) slower sexual maturation, less frequent reproduction slower sexual maturation, less

b) slower sexual maturation, more frequent

frequent reproduction

reproduction c) faster sexual maturation, more frequent reproduction d) faster sexual maturation, less frequent reproduction

In an environment with high juvenile mortality, what is the most likely life history strategy? a) produce few offspring per brood, provide little produce many offspring per brood, provide little parental care

prenatal care b) produce many offspring per brood, provide lots of prenatal care c) produce few offspring per brood, provide lots of prenatal care d) produce many of...