ENVS 150 Module/Test 3

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<p>What is the name of the arrow labeled &quot;A&quot;?</p><p>a. filament b. anther c. stamen d. tepal e. stigma</p>

What is the name of the arrow labeled "A"?

a. filament b. anther c. stamen d. tepal e. stigma

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120 Terms

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<p>What is the name of the arrow labeled &quot;A&quot;?</p><p>a. filament b. anther c. stamen d. tepal e. stigma</p>

What is the name of the arrow labeled "A"?

a. filament b. anther c. stamen d. tepal e. stigma

d. tepal

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2
<p>What is the name of the arrow labeled &quot;B&quot;?</p><p>a. filament b. anther c. stamen d. tepal e. stigma</p>

What is the name of the arrow labeled "B"?

a. filament b. anther c. stamen d. tepal e. stigma

a. filament

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3
<p>What is the name of the arrow labeled &quot;C&quot;?</p><p>a. filament b. anther c. stamen d. tepal e. stigma</p>

What is the name of the arrow labeled "C"?

a. filament b. anther c. stamen d. tepal e. stigma

b. anther

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4
<p>What is the name of the arrow labeled &quot;D&quot;?</p><p>a. filament b. anther c. stamen d. tepal e. stigma</p>

What is the name of the arrow labeled "D"?

a. filament b. anther c. stamen d. tepal e. stigma

c. stamen

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5
<p>What is the name of the arrow labeled &quot;E&quot;?</p><p>a. filament b. anther c. stamen d. tepal e. stigma</p>

What is the name of the arrow labeled "E"?

a. filament b. anther c. stamen d. tepal e. stigma

e. stigma

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6

The collective term for the petals

a. calyx b. sexual reproduction c. asexual reproduction d. corolla e. tepals f. stamen g. pistil

d. corolla

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7

The collective term for the anther and filament

a. calyx b. sexual reproduction c. asexual reproduction d. corolla e. tepals f. stamen g. pistil

f. stamen

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8

When plants reproduce by cuttage or division of plant parts

a. calyx b. sexual reproduction c. asexual reproduction d. corolla e. tepals f. stamen g. pistil

c. asexual reproduction

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9

The collective term for the sepals

a. calyx b. sexual reproduction c. asexual reproduction d. corolla e. tepals f. stamen g. pistil

a. calyx

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10

When plants reproduce through fertilization

a. calyx b. sexual reproduction c. asexual reproduction d. corolla e. tepals f. stamen g. pistil

b. sexual reproduction

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11

The collective term for the stigma, style and ovary

a. calyx b. sexual reproduction c. asexual reproduction d. corolla e. tepals f. stamen g. pistil

g. pistil

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12

When the sepals and petals are indistinguishable

a. calyx b. sexual reproduction c. asexual reproduction d. corolla e. tepals f. stamen g. pistil

e. tepals

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13

A ripened ovary

a. parthenocarpy b. compound fruit c. simple fruit d. vestigial e. fruit

e. fruit

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14

A fruit composed from a multiple carpel ovary

a. parthenocarpy b. compound fruit c. simple fruit d. vestigial e. fruit

b. compound fruit

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15

Fruit formed without benefit of pollination

a. parthenocarpy b. compound fruit c. simple fruit d. vestigial e. fruit

a. parthenocarpy

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16

Rudimentary seeds which are not viable

a. parthenocarpy b. compound fruit c. simple fruit d. vestigial e. fruit

d. vestigial

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17

A fruit composed of a single carpel

a. parthenocarpy b. compound fruit c. simple fruit d. vestigial e. fruit

c. simple fruit

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18

The embryo shoot

a. parthenocarpic b. testa c. radicle d. cotyledons e. plumule f. imbibition g. pollination h. endosperm

a. plumule

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19

The outer layer of a seed

a. parthenocarpic b. testa c. radicle d. cotyledons e. plumule f. imbibition g. pollination h. endosperm

b. testa

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20

The start of germination

a. parthenocarpic b. testa c. radicle d. cotyledons e. plumule f. imbibition g. pollination h. endosperm

f. imbibition

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21

A fruit without seed

a. parthenocarpic b. testa c. radicle d. cotyledons e. plumule f. imbibition g. pollination h. endosperm

a. parthenocarpic

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22

Unusually necessary for seed formation

a. parthenocarpic b. testa c. radicle d. cotyledons e. plumule f. imbibition g. pollination h. endosperm

g. pollination

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23

Primary food storage in monocot seeds

a. parthenocarpic b. testa c. radicle d. cotyledons e. plumule f. imbibition g. pollination h. endosperm

h. endosperm

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24

The embryo root

a. parthenocarpic b. testa c. radicle d. cotyledons e. plumule f. imbibition g. pollination h. endosperm

c. radicle

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25

Primary food storage in eudicot seeds

a. parthenocarpic b. testa c. radicle d. cotyledons e. plumule f. imbibition g. pollination h. endosperm

d. cotyledons

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26

Overcoming physical dormancy by damaging the seed coat

a. stratification b. physiological dormancy c. scarification d. quiescence e. physical dormancy

c. scarification

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27

Embryo dormancy when the seed must be subjected to specific conditions to enhance germination

a. stratification b. physiological dormancy c. scarification d. quiescence e. physical dormancy

b. physiological dormancy

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28

The process of chilling seed in a moist medium for multiple weeks

a. stratification b. physiological dormancy c. scarification d. quiescence e. physical dormancy

a. stratification

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29

When a seed does not have the appropriate environmental conditions to germinate

a. stratification b. physiological dormancy c. scarification d. quiescence e. physical dormancy

d. quiescence

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30

Structural conditions preventing dormancy also referred to as seed coat dormancy

a. stratification b. physiological dormancy c. scarification d. quiescence e. physical dormancy

e. physical dormancy

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31

Morphological characteristics of an organism

a. trait b. allele c. incomplete dominance d. character e. phenotype f. pleiotrophy g. polygenic inheritance h. dominant i. heterozygous

d. character

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32

Different form of the same gene

a. trait b. allele c. incomplete dominance d. character e. phenotype f. pleiotrophy g. polygenic inheritance h. dominant i. heterozygous

b. allele

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33

Genotype with two different alleles

a. trait b. allele c. incomplete dominance d. character e. phenotype f. pleiotrophy g. polygenic inheritance h. dominant i. heterozygous

i. heterozygous

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34

Visible characteristics of an organism

a. trait b. allele c. incomplete dominance d. character e. phenotype f. pleiotrophy g. polygenic inheritance h. dominant i. heterozygous

e. phenotype

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35

A trait that is always expressed

a. trait b. allele c. incomplete dominance d. character e. phenotype f. pleiotrophy g. polygenic inheritance h. dominant i. heterozygous

h. dominant

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36

Offspring have intermediate characters

a. trait b. allele c. incomplete dominance d. character e. phenotype f. pleiotrophy g. polygenic inheritance h. dominant i. heterozygous

c. incomplete dominace

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37

Specific property of an organism

a. trait b. allele c. incomplete dominance d. character e. phenotype f. pleiotrophy g. polygenic inheritance h. dominant i. heterozygous

a. trait

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38

A single gene controls many characters

a. trait b. allele c. incomplete dominance d. character e. phenotype f. pleiotrophy g. polygenic inheritance h. dominant i. heterozygous

f. pleiotropy

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39

A character of an organism is controlled by more than one gene

a. trait b. allele c. incomplete dominance d. character e. phenotype f. pleiotrophy g. polygenic inheritance h. dominant i. heterozygous

g. polygenic inheritance

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40

The process of gene transcription and translation Process of decoding genetic information into functional proteins

a. gene transcription b. gene expression

b. gene expression

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41

Synthesizing RNA from DNA

a. gene transcription b. gene expression

a. gene transcription

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42

Uracil

a. RNA b. DNA c. both

a. RNA

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43

Single strand

a. RNA b. DNA c. both

a. RNA

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44

Guanine

a. RNA b. DNA c. both

c. both

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45

Double Helix

a. RNA b. DNA c. both

b. DNA

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46

Adenine

a. RNA b. DNA c. both

c. both

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47

Thyamine

a. RNA b. DNA c. both

b. DNA

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48

Different species inherit the same trait from a common ancestor

a. mutation b. genetic drift c. acclimation d. homology e. fitness f. gene flow

d. homology

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49

Only the phenotype changes, not the genotype

a. mutation b. genetic drift c. acclimation d. homology e. fitness f. gene flow

c. acclimation

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50

Random events affecting genotypes of a population

a. mutation b. genetic drift c. acclimation d. homology e. fitness f. gene flow

b. genetic drift

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51

Random changes in genetic composition of an organism

a. mutation b. genetic drift c. acclimation d. homology e. fitness f. gene flow

a. mutation

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52

Genetic trait improving survival and reproduction

a. mutation b. genetic drift c. acclimation d. homology e. fitness f. gene flow

e. fitness

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53

Change in population allele frequency due to individuals leaving or joining a population

a. mutation b. genetic drift c. acclimation d. homology e. fitness f. gene flow

f. gene flow

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54

Species become interdependent based on each other’s special adaptations

a. co-evolution b. adaptive radiation c. convergent evolution

a. co-evolution

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55

Organisms evolved independently but appear similar

a. co-evolution b. adaptive radiation c. convergent evolution

c. convergent evolution

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56

One species produces rapidly several new species with diverse adaptations

a. co-evolution b. adaptive radiation c. convergent evolution

b. adaptive radiation

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57

Tubular flowers and hummingbirds

a. co-evolution b. adaptive radiation c. convergent evolution

a. co-evolution

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58

Many species from a tarweed subtribe in Hawaii

a. co-evolution b. adaptive radiation c. convergent evolution

b. adaptive radiation

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59

Emergence of glyphosate resistant weeds

a. microevolution b. macroevolution c. punctuated equilibrium

c. punctuated equilibrium

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60

Changes in gene pool from one generation to the next

a. microevolution b. macroevolution c. punctuated equilibrium

a. microevolution

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61

Evolutionary changes occur stepwise with long periods without changes

a. microevolution b. macroevolution c. punctuated equilibrium

c. punctuated equilibrium

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62

Rapid changes in finch population characteristics documented on the Galapagos Islands since the 1970's

a. microevolution b. macroevolution c. punctuated equilibrium

a. microevolution

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63

Cumulative small changes over very long periods of time

a. microevolution b. macroevolution c. punctuated equilibrium

b. macroevolution

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64

Occurs as a gas

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

d. ethylene

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65

Promotes shoot initiation in tissue culture

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

a. cytokinin

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66

Induces storage protein synthesis in seeds

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

e. abscisic acid

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67

Increases stem elongation through cell division and elongation

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

c. gibberellic acid

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68

Stimulates defense in stressed plants

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

d. ethylene

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69

Promotes apical dominance

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

b. auxin

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70

Initiates plant responses to water stress

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

e. abscisic acid

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71

Phototropism

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

b. auxin

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72

Used commercially to ripen fruit\

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

d. ethylene

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73

Promotes cell division and shoot formation in tissue culture

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

a. cytokinin

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74

Promotes flowering and increases fruit size of seedless grapes

a. cytokinin b. auxin c. gibberellic acid d. ethylene e. abscisic acid

c. gibberellic acid

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75

Plant growth response to light

a. photoperiodism b. phototropism c. photomorphogenesis d. phytochrome

c. photomorphogenesis

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76

Plants growing towards a light source

a. photoperiodism b. phototropism c. photomorphogenesis d. phytochrome

b. phototropism

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77

The protein absorbing red and far-red light

a. photoperiodism b. phototropism c. photomorphogenesis d. phytochrome

d. phytochrome

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78

Growth and development of an organism in response to photoperiod

a. photoperiodism b. phototropism c. photomorphogenesis d. phytochrome

a. photoperiodism

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79

Photoperiodically insensitive

a. photoperiodism b. short-day plants c. day-neutral plants d. long-day plants

c. day-neutral plants

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80

Photoperiodically controlled process that is induced when daylength is shorter than critical day length

a. photoperiodism b. short-day plants c. day-neutral plants d. long-day plants

b. short-day plants

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81

Photoperiodically controlled process that is induced when daylength is longer than critical day length

a. photoperiodism b. short-day plants c. day-neutral plants d. long-day plants

d. long-day plants

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82

Photomorphogenic response to variations in daylength

a. photoperiodism b. short-day plants c. day-neutral plants d. long-day plants

a. photoperiodism

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83

A plant that bears both male and female flowers on the same plant is referred to as?

Select one:

a. incomplete b. dioeceous c. imperfect d. perfect e. monoecious

e. monoecious

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84

In a seed, the ____________ becomes the first new leaves of the new plant.

Select one:

a. epicotyl b. hilum c. testa d. plumule e. radicle

d. plumule

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85

In a dicot seed, the largest part of the seed being a pair of modified leaves full of stored food:

a. testa b. radicle c. plumule d. endosperm e. cotyledons

e. cotyledons

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86

White musky flowers which open at night are most likely to use pollination by:

Select one:

a. wind b. bees c. bats d. butterflies e. birds

c. bats

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87

Sweet, blue or yellow flowers with nectar are most likely to use pollination by:

Select one:

a. bats b. bees c. wind d. butterflies e. birds

b. bees

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88

The juicy fleshy part of an orange that you can eat is the __________________.

Select one:

a. mesocarp b. exocarp c. pericarp d. testa e. endocarp

e. endocarp

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89

The type of dormancy exemplified by temperate woody plants can be broken by?

Select one:

a. after ripening b. nothing c. scarification d. quiescence e. stratification

e. stratification

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90

Which of the following describes the study of evolution?

Select one:

a. how life forms changes over millennia b. how organisms continue to change c. breeding new species of animals or plants d. a and b e. b and c

d. a and b

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91

Which is NOT a factor causing evolution

Select one:

a. natural selection b. non-random mating c. mutation d. gene flow and genetic drift e. acclimation

e. acclimation

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92

When a diploid organism has two alleles that are different it is called _____________ for that characteristic.

Select one:

a. homozygous b. heterozygous c. recessive d. dominant e. allopatric

b. heterozygous

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93

What is the term for rapid evolution that results of many species from a single ancestor when islands are colonized?

Select one:

a. convergent evolution b. adaptive radiation c. macroevolution d. punctuated equilibrium e. microevolution

b. adaptive radiation

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94

What is the gene pool of a population?

Select one:

a. frequency of the least common genes b. all heterozygous alleles in a population c. all alleles of all individuals of a population d. frequency of the most common genes e. all homozygous alleles in a population

c. all alleles of all individuals of a population

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95

Polyploidy is NOT:

Select one:

a. a tool for breeding new crops b. common in animals c. part of evolution d. common in flowering plants e. common in large, vigorous plants

b. common in animals

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96

A cross between two heterozygous plants produces the following phenotypic ratio of dominant to recessive

Select one:

a. 2:1 b. 5:1 c. 4:1 d. 3:1 e. 1:1

d. 3:1

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97

The hormone auxin causes the following responses:

Select one:

a. promotes growth of flower parts b. all are correct c. at high concentration it can be used as an herbicide d. initiates roots on stem cuttings and in tissue culture e. regulates response to light and gravity

b. all are correct

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98

Systemic acquired resistance

Select one:

a. occurs in response to an attack on the plant b. salicylic acid moves throughout the plant and triggers resistance c. salicylic acid is produced at the site of attack d. is induced by the hormone salicylic acid e. all are involved in SAR

a. occurs in response to an attack on the plant

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99

What treatment during the night can trick a plant into experiencing long days when in fact, days are short?

Select one or more:

a. all answers are correct. b. exposure to white light. c. none of the answers are correct. d. exposure to warm temperatures. e. exposure to far-red light.

b. exposure to white light.

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100

What is the correct order in which a hormone activates a response in the cell?

Select one:

a. hormone -> transduction -> reception-> response b. transduction -> reception ->hormone -> response c. hormone -> reception -> transduction -> response d. reception ->transduction -> hormone -> response e. transduction ->hormone -> reception-> response

c. hormone -> reception -> transduction -> response

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