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4,000
NDQ_006667
introduction to plants
The earliest plants lacked leaves, roots, and stems.
null
null
Multiple Choice
a. true, b. false
a
4,001
NDQ_006668
introduction to plants
Some plants consist of a single cell.
null
null
Multiple Choice
a. true, b. false
b
4,002
NDQ_006670
introduction to plants
Dermal tissue is like the skin of a plant.
null
null
Multiple Choice
a. true, b. false
a
4,003
NDQ_006673
introduction to plants
A taproot is a very long root that grows out to the side of a plant.
null
null
Multiple Choice
a. true, b. false
b
4,004
NDQ_006674
introduction to plants
Most photosynthesis in plants takes place in roots.
null
null
Multiple Choice
a. true, b. false
b
4,005
NDQ_006675
introduction to plants
___type of plant tissue that transports fluids
null
null
Multiple Choice
a. a.dermal, b. b.chloroplast, c. c.cuticle, d. d.ground, e. e.stoma, f. f.vascular, g. g.meristem
f
4,006
NDQ_006676
introduction to plants
___waxy substance secreted by plant cells that helps prevent water loss
null
null
Multiple Choice
a. a.dermal, b. b.chloroplast, c. c.cuticle, d. d.ground, e. e.stoma, f. f.vascular, g. g.meristem
c
4,007
NDQ_006677
introduction to plants
___type of plant tissue consisting of undifferentiated cells that can continue to divide
null
null
Multiple Choice
a. a.dermal, b. b.chloroplast, c. c.cuticle, d. d.ground, e. e.stoma, f. f.vascular, g. g.meristem
g
4,008
NDQ_006678
introduction to plants
___type of plant tissue that carries out biochemical reactions
null
null
Multiple Choice
a. a.dermal, b. b.chloroplast, c. c.cuticle, d. d.ground, e. e.stoma, f. f.vascular, g. g.meristem
d
4,009
NDQ_006679
introduction to plants
___tiny pore in a plant leaf through which gas exchange takes place
null
null
Multiple Choice
a. a.dermal, b. b.chloroplast, c. c.cuticle, d. d.ground, e. e.stoma, f. f.vascular, g. g.meristem
e
4,010
NDQ_006680
introduction to plants
___type of plant tissue that covers the outside of a plant
null
null
Multiple Choice
a. a.dermal, b. b.chloroplast, c. c.cuticle, d. d.ground, e. e.stoma, f. f.vascular, g. g.meristem
a
4,011
NDQ_006681
introduction to plants
___plant organelle where photosynthesis takes place
null
null
Multiple Choice
a. a.dermal, b. b.chloroplast, c. c.cuticle, d. d.ground, e. e.stoma, f. f.vascular, g. g.meristem
b
4,012
NDQ_006682
introduction to plants
While plants are actively growing, they need
null
null
Multiple Choice
a. sunlight, b. temperatures above freezing, c. carbon dioxide, d. all of the above
d
4,013
NDQ_006683
introduction to plants
Cuticle in plants is secreted by cells of
null
null
Multiple Choice
a. ground tissue, b. meristem, c. dermal tissue, d. vascular tissue
c
4,014
NDQ_006684
introduction to plants
All of the following are functions of plant roots except
null
null
Multiple Choice
a. storing food, b. absorbing water, c. releasing oxygen, d. anchoring plants to the ground
c
4,015
NDQ_006685
introduction to plants
Primary growth in plants
null
null
Multiple Choice
a. occurs at the tips of roots, b. allows plants to grow taller, c. occurs only in very young plants, d. two of the above
d
4,016
NDQ_006686
introduction to plants
The life cycle of all plants includes
null
null
Multiple Choice
a. alternation of generations, b. sexual and asexual reproduction, c. haploid and diploid generations, d. all of the above
d
4,017
NDQ_006687
introduction to plants
Sporophytes
null
null
Multiple Choice
a. are plants in the diploid generation, b. form from haploid spores, c. produce haploid gametes, d. none of the above
a
4,018
NDQ_006688
introduction to plants
A sporangium
null
null
Multiple Choice
a. produces diploid spores by mitosis, b. produces haploid gametes by meiosis, c. is found only in gametophytes, d. none of the above
d
4,019
NDQ_006689
evolution and classification of plants
The first plants were probably similar to
null
null
Multiple Choice
a. stoneworts, b. cacti, c. ferns, d. conifers
a
4,020
NDQ_006690
evolution and classification of plants
___plant that produces seeds in the ovaries of flowers
null
null
Multiple Choice
a. a.seed, b. b.stamen, c. c.angiosperm, d. d.cone, e. e.gymnosperm, f. f.bryophyte, g. g.pistil
c
4,021
NDQ_006691
evolution and classification of plants
___reproductive structure made of overlapping scales where naked plant seeds develop
null
null
Multiple Choice
a. a.seed, b. b.stamen, c. c.angiosperm, d. d.cone, e. e.gymnosperm, f. f.bryophyte, g. g.pistil
d
4,022
NDQ_006692
evolution and classification of plants
Which plant structures evolved first?
null
null
Multiple Choice
a. vascular tissues, b. seeds, c. flowers, d. fruits
a
4,023
NDQ_006693
evolution and classification of plants
The early growth and development of a plant inside a seed is called
null
null
Multiple Choice
a. transpiration, b. pollination, c. germination, d. none of the above
c
4,024
NDQ_006694
evolution and classification of plants
___male reproductive organ in a flower
null
null
Multiple Choice
a. a.seed, b. b.stamen, c. c.angiosperm, d. d.cone, e. e.gymnosperm, f. f.bryophyte, g. g.pistil
b
4,025
NDQ_006695
evolution and classification of plants
___plant that produces naked seeds in cones
null
null
Multiple Choice
a. a.seed, b. b.stamen, c. c.angiosperm, d. d.cone, e. e.gymnosperm, f. f.bryophyte, g. g.pistil
e
4,026
NDQ_006696
evolution and classification of plants
Which flower structure develops into a fruit?
null
null
Multiple Choice
a. stamen, b. anther, c. stigma, d. ovary
d
4,027
NDQ_006697
evolution and classification of plants
___reproductive structure that contains a plant embryo and a food supply
null
null
Multiple Choice
a. a.seed, b. b.stamen, c. c.angiosperm, d. d.cone, e. e.gymnosperm, f. f.bryophyte, g. g.pistil
a
4,028
NDQ_006698
evolution and classification of plants
Modern nonvascular plants include
null
null
Multiple Choice
a. ferns, b. mosses, c. algae, d. two of the above
b
4,029
NDQ_006700
evolution and classification of plants
___modern nonvascular plant
null
null
Multiple Choice
a. a.seed, b. b.stamen, c. c.angiosperm, d. d.cone, e. e.gymnosperm, f. f.bryophyte, g. g.pistil
f
4,030
NDQ_006702
evolution and classification of plants
___female reproductive organ in a flower
null
null
Multiple Choice
a. a.seed, b. b.stamen, c. c.angiosperm, d. d.cone, e. e.gymnosperm, f. f.bryophyte, g. g.pistil
g
4,031
NDQ_006703
evolution and classification of plants
The earliest plants
null
null
Multiple Choice
a. evolved from green algae, b. were dominant aquatic organisms, c. had vascular tissues, d. evolved on land
a
4,032
NDQ_006706
evolution and classification of plants
Having a dominant sporophyte generation was an important adaptation for land plants because a sporophyte
null
null
Multiple Choice
a. is haploid, b. needs less water, c. has a back-up copy of each gene, d. all of the above
c
4,033
NDQ_006708
evolution and classification of plants
Which statement about vascular plants is false?
null
null
Multiple Choice
a. Vascular plants evolved after seed plants had appeared, b. Vascular plants are the dominant land plants on Earth, c. Vascular plants have specialized tissues to transfer water, d. Vascular plants can grow taller than nonvascular plants
a
4,034
NDQ_006709
evolution and classification of plants
Parts of a seed include
null
null
Multiple Choice
a. an embryo, b. endosperm, c. a hull, d. all of the above
d
4,035
NDQ_006710
evolution and classification of plants
The first plants lived in water.
null
null
Multiple Choice
a. true, b. false
a
4,036
NDQ_006711
evolution and classification of plants
Plants first colonized the land around 5 million years ago.
null
null
Multiple Choice
a. true, b. false
b
4,037
NDQ_006712
evolution and classification of plants
Which structure finally freed plants from depending on moisture to reproduce?
null
null
Multiple Choice
a. root system, b. pollen tube, c. vascular tissue, d. seed cone
b
4,038
NDQ_006713
evolution and classification of plants
Vascular plants are no longer the dominant land plants on Earth.
null
null
Multiple Choice
a. true, b. false
b
4,039
NDQ_006714
evolution and classification of plants
What is a function of flower petals?
null
null
Multiple Choice
a. making seeds, b. attracting pollinators, c. forming fruits, d. producing spores
b
4,040
NDQ_006715
evolution and classification of plants
Tracheophytes include
null
null
Multiple Choice
a. ferns, b. liverworts, c. hornworts, d. two of the above
a
4,041
NDQ_006716
evolution and classification of plants
The female gametophyte of a seed plant is contained within an ovule.
null
null
Multiple Choice
a. true, b. false
a
4,042
NDQ_006717
evolution and classification of plants
Modern seed plants are called spermatophytes.
null
null
Multiple Choice
a. true, b. false
a
4,043
NDQ_006725
evolution and classification of plants
_Plants were the first organisms to colonize Earths land surfaces.
null
null
Multiple Choice
a. true, b. false
a
4,044
NDQ_006726
evolution and classification of plants
_The earliest land plants were similar to modern ferns.
null
null
Multiple Choice
a. true, b. false
b
4,045
NDQ_006727
evolution and classification of plants
_An offspring plant is more likely to survive if it grows very close to the parent plant.
null
null
Multiple Choice
a. true, b. false
b
4,046
NDQ_006728
evolution and classification of plants
_The part of a seed plant that develops into a seed is the pollen.
null
null
Multiple Choice
a. true, b. false
b
4,047
NDQ_006729
evolution and classification of plants
_The scales of cones are modified flower petals.
null
null
Multiple Choice
a. true, b. false
b
4,048
NDQ_006730
evolution and classification of plants
_The stamen of a flower has a stalk-like filament that ends in an anther.
null
null
Multiple Choice
a. true, b. false
a
4,049
NDQ_006731
evolution and classification of plants
_All modern seed plants produce flowers and fruits.
null
null
Multiple Choice
a. true, b. false
b
4,050
NDQ_006732
plant responses and special adaptations
Which is the best definition of tropism?
null
null
Multiple Choice
a. turning toward the light, b. growing toward gravity, c. turning toward or away from a stimulus, d. bending to the left or right
c
4,051
NDQ_006733
plant responses and special adaptations
_Plants are unable to resist predators because they cannot run away or hide.
null
null
Multiple Choice
a. true, b. false
b
4,052
NDQ_006734
plant responses and special adaptations
_Plants detect and respond to the daily cycle of light and darkness.
null
null
Multiple Choice
a. true, b. false
a
4,053
NDQ_006735
plant responses and special adaptations
Willow trees produce salicylic acid to
null
null
Multiple Choice
a. stimulate growth, b. stimulate dormancy, c. kill bacteria, d. warn other plants
c
4,054
NDQ_006736
plant responses and special adaptations
Modern aquatic plants
null
null
Multiple Choice
a. have special adaptations, b. evolved from ocean plants, c. cannot survive in moving water, d. two of the above
a
4,055
NDQ_006737
plant responses and special adaptations
_Plants have an immune system that protects them from disease.
null
null
Multiple Choice
a. true, b. false
b
4,056
NDQ_006738
plant responses and special adaptations
_The narrow, strap-like leaves of cattails help them float on water.
null
null
Multiple Choice
a. true, b. false
b
4,057
NDQ_006739
plant responses and special adaptations
Adaptations of xerophytes include ways to
null
null
Multiple Choice
a. increase water intake, b. climb up rainforest trees, c. dissolve insects for extra nutrients, d. none of the above
a
4,058
NDQ_006740
plant responses and special adaptations
_Carnivorous plants do not undergo photosynthesis to make food.
null
null
Multiple Choice
a. true, b. false
b
4,059
NDQ_006741
plant responses and special adaptations
Advantages of plants that can rise high above the ground include
null
null
Multiple Choice
a. better access to sunlight, b. less risk of being eaten by herbivores, c. greater chance of being pollinated by the wind, d. all of the above
d
4,060
NDQ_006743
plant responses and special adaptations
_A saguaro cactus uses its thick stem to store water.
null
null
Multiple Choice
a. true, b. false
a
4,061
NDQ_006745
plant responses and special adaptations
_An orchid gets nutrients from its host tree.
null
null
Multiple Choice
a. true, b. false
b
4,062
NDQ_006746
plant responses and special adaptations
___plant that is adapted to very dry conditions
null
null
Multiple Choice
a. a.adaptation, b. b.phototropism, c. c.xerophyte, d. d.dormancy, e. e.tropism, f. f.epiphyte, g. g.gravitropism
c
4,063
NDQ_006749
plant responses and special adaptations
___suspension of growth and development in a plant during periods of extreme coldness and dryness
null
null
Multiple Choice
a. a.adaptation, b. b.phototropism, c. c.xerophyte, d. d.dormancy, e. e.tropism, f. f.epiphyte, g. g.gravitropism
d
4,064
NDQ_006751
plant responses and special adaptations
___response of a plant to gravity
null
null
Multiple Choice
a. a.adaptation, b. b.phototropism, c. c.xerophyte, d. d.dormancy, e. e.tropism, f. f.epiphyte, g. g.gravitropism
g
4,065
NDQ_006752
plant responses and special adaptations
___any trait that has evolved to help an organism survive and reproduce under certain conditions
null
null
Multiple Choice
a. a.adaptation, b. b.phototropism, c. c.xerophyte, d. d.dormancy, e. e.tropism, f. f.epiphyte, g. g.gravitropism
a
4,066
NDQ_006753
plant responses and special adaptations
Primary plant roots always grow down toward the center of Earth.
null
null
Multiple Choice
a. true, b. false
a
4,067
NDQ_006754
plant responses and special adaptations
Aquatic plants must have thick layer of cuticle to waterproof their stems and leaves.
null
null
Multiple Choice
a. true, b. false
b
4,068
NDQ_006755
plant responses and special adaptations
___any turning toward or away from a stimulus in the environment
null
null
Multiple Choice
a. a.adaptation, b. b.phototropism, c. c.xerophyte, d. d.dormancy, e. e.tropism, f. f.epiphyte, g. g.gravitropism
e
4,069
NDQ_006756
plant responses and special adaptations
Epiphytes obtain water from the air rather than from soil.
null
null
Multiple Choice
a. true, b. false
a
4,070
NDQ_006757
plant responses and special adaptations
___plant that grows on other plants rather than in soil
null
null
Multiple Choice
a. a.adaptation, b. b.phototropism, c. c.xerophyte, d. d.dormancy, e. e.tropism, f. f.epiphyte, g. g.gravitropism
f
4,071
NDQ_006758
plant responses and special adaptations
___response of a plant to light
null
null
Multiple Choice
a. a.adaptation, b. b.phototropism, c. c.xerophyte, d. d.dormancy, e. e.tropism, f. f.epiphyte, g. g.gravitropism
b
4,072
NDQ_006759
plant responses and special adaptations
Carnivorous plants do not need sunlight.
null
null
Multiple Choice
a. true, b. false
b
4,073
NDQ_006760
plant responses and special adaptations
A saguaro cactus has no leaves to transpire water.
null
null
Multiple Choice
a. true, b. false
a
4,074
NDQ_006761
plant responses and special adaptations
Gravitropism occurs because of specialized cells in a plants
null
null
Multiple Choice
a. stems, b. leaves, c. roots, d. flowers
c
4,075
NDQ_006762
plant responses and special adaptations
Plant stems and leaves always grow toward
null
null
Multiple Choice
a. the sky, b. the equator, c. a light source, d. a water supply
c
4,076
NDQ_006763
plant responses and special adaptations
Plants such as Venus fly traps consume insects to get extra
null
null
Multiple Choice
a. energy, b. carbon, c. water, d. nutrients
d
4,077
NDQ_006764
plant responses and special adaptations
Anything in the environment that causes a response in a plant is called a
null
null
Multiple Choice
a. tropism, b. pathogen, c. toxin, d. stimulus
d
4,078
NDQ_006765
plant responses and special adaptations
Which statement about aquatic plants is true?
null
null
Multiple Choice
a. They have ancestors that lived on land, b. They do not need any special adaptations, c. They must have extensive root systems, d. none of the above
a
4,079
NDQ_006766
plant responses and special adaptations
Adaptations in xerophytes include
null
null
Multiple Choice
a. widespread roots, b. barrel-shaped stems, c. thorns, d. all of the above
d
4,080
NDQ_006767
plant responses and special adaptations
Epiphytes in a rainforest use rainforest trees for
null
null
Multiple Choice
a. food, b. support, c. oxygen, d. pollination
b
4,081
NDQ_006775
what are animals
To be classified as an animal, an organism must have
null
null
Multiple Choice
a. specialized cells, b. cells organized into tissues, c. organs consisting of more than one tissue type, d. all of the above
a
4,082
NDQ_006778
what are animals
All animals are
null
null
Multiple Choice
a. eukaryotes, b. multicellular, c. heterotrophs, d. all of the above
d
4,083
NDQ_006779
what are animals
A caterpillar is a(n)
null
null
Multiple Choice
a. insect embryo, b. insect larva, c. adult worm, d. juvenile worm
b
4,084
NDQ_006782
what are animals
Which of the following animals are placed in the same phylum as human beings?
null
null
Multiple Choice
a. earthworms, b. sea stars, c. spiders, d. snakes
d
4,085
NDQ_006784
what are animals
Animal cells can take on a variety of shapes because they lack
null
null
Multiple Choice
a. a cell membrane, b. a cell wall, c. cytoplasm, d. a cytoskeleton
b
4,086
NDQ_006789
what are animals
_All animals are heterotrophs.
null
null
Multiple Choice
a. true, b. false
a
4,087
NDQ_006792
what are animals
_Virtually all animals have internal digestion of food.
null
null
Multiple Choice
a. true, b. false
a
4,088
NDQ_006794
what are animals
_Animals have the most complex life cycle of all eukaryotes.
null
null
Multiple Choice
a. true, b. false
b
4,089
NDQ_006795
what are animals
_A zygote is a haploid cell that develops into an embryo.
null
null
Multiple Choice
a. true, b. false
b
4,090
NDQ_006796
what are animals
Some animals can use sunlight to make their own food.
null
null
Multiple Choice
a. true, b. false
b
4,091
NDQ_006797
what are animals
All animals are able to move at some stage of their life cycle.
null
null
Multiple Choice
a. true, b. false
a
4,092
NDQ_006798
what are animals
_The larval form of an animal looks just like the adult form except smaller.
null
null
Multiple Choice
a. true, b. false
b
4,093
NDQ_006799
what are animals
Most animals absorb nutrients directly from their environment.
null
null
Multiple Choice
a. true, b. false
b
4,094
NDQ_006800
what are animals
_There are almost 40 phyla in the Animal Kingdom.
null
null
Multiple Choice
a. true, b. false
a
4,095
NDQ_006801
what are animals
_Phylum Chordata includes only vertebrates.
null
null
Multiple Choice
a. true, b. false
b
4,096
NDQ_006802
what are animals
The typical animal life cycle includes a diploid zygote stage.
null
null
Multiple Choice
a. true, b. false
a
4,097
NDQ_006803
what are animals
The majority of modern animals are vertebrates.
null
null
Multiple Choice
a. true, b. false
b
4,098
NDQ_006804
what are animals
___phylum in which all modern vertebrates are placed
null
null
Multiple Choice
a. a.vertebrate, b. b.Chordata, c. c.Eukarya, d. d.vertebral column, e. e.zygote, f. f.fertilization, g. g.larva
b
4,099
NDQ_006805
what are animals
___distinct juvenile form that many animals go through before becoming an adult
null
null
Multiple Choice
a. a.vertebrate, b. b.Chordata, c. c.Eukarya, d. d.vertebral column, e. e.zygote, f. f.fertilization, g. g.larva
g