Plant Exam Flashcards

(72 cards)

0
Q

example of fungi in this group are penicillium and aspergillus

A

Deuteromycetes

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1
Q

This organism grows on a wide variety of hosts, and is responsible for mildew, yeast infections, dutch elm disease

A

Ascomycetes

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2
Q

produces a large egg cell, swims after fertilization, and is responsible for the potato blight of 1845-1847 in ireland

A

Oomycetes

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3
Q

produces large basido spores

A

Basidomycetes

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4
Q

grows in sheets of filaments and is used to produce agar and carrageen

A

Red Algae

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5
Q

The Ancestor to green plants

A

Green algae

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6
Q

simple moss which grow low to the ground and require water for reproduction

A

Brophyte

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7
Q

ferns, horsetails

A

Lower vascular plants

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8
Q

Plants which flower and produce seeds

A

Angiosperms

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9
Q

naked seed plants such as pines

A

Gymnosperms

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10
Q

a group of plants with separate male and female plants which produce fan shaped leaves.

A

Gingko

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11
Q

an ancient plant which resembles a palm tree. There plants were around with the dinosaurs

A

Cycads

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12
Q

Produces one cotyledon upon sprouting. Leaf veins are parallel and flower parts are in multiples of 3

A

Monocot

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13
Q

produces two cotyledons upon sprouting . Leaf veins are in a net pattern and flower parts are in multiples of 4 or 5

A

Dicot

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14
Q

many year life cycle

A

Perennial

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15
Q

woody plants which drop their leaves in the fall, or dryer season.

A

deciduous

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16
Q

a carrot or dandelion produce this type of root, which stores a large amount of starch.

A

Taproot

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17
Q

a highly branched root, which stores less starch

A

Fibrous root

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18
Q

a root found in an unusual place

A

Adventitious Root

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19
Q

where water and minerals are absorbed into the root

A

Root hairs

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20
Q

growing tip of a shoot or root

A

Apical Meristem

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21
Q

Point of leaf attachment

A

Node

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22
Q

a bundle of tissue which is usually dormant but can develop into branch shoots. they are seen in the angle between the stem and leaf.

A

Axillary Bud

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23
Q

runners which send down roots and produce new plants

A

Stolons

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24
the underground stem of a potato plant
Tubers
25
a waxy layer on the leaf surface which prevents the leaf from dying out
Cuticle
26
Where most of the photosynthesis in a leaf occurs
Palisade Mesophy 2
27
regulate gas exchange and are composed of 2 guard cells which swell and shrink in relation to water availability in the plant
Stomata
28
A gas or hormone, which causes fruit to ripen
Ethylene
29
a hormone produced in the upper 4 inches of the shoot, and causes growth by cell elongation.
Auxin
30
hormone that initates and maintains dormancy
Abscisic acid
31
directional growth in a plant due to contact with an object
Thigmotropism
32
the length of daylight and darkness, which effect the growth of a plant the flowering of a plant
Photoperiodism
33
vascular tissue which moves water and mineral up in the plant
Xylem
34
Vascular tissue which moves sugar down in a plant
Phloem
35
a plant movement due to external stimuli
Nastic Response
36
The movement of water molecules through a plant. The chain advances one molecule as water molecule evaporates from a leaf.
Transpiration
37
The sticky top of the carpel
Stigma
38
The slender stalk of the carpel
Style
39
a modified portion of the stem to which flowers are attached
Receptacle
40
the male reproductive portion of a flower
Stamen
41
a saclike structure, which produces pollen on a stamen
Anther
42
green leaf like parts, which protect the bud as the flower, develops within
Sepal
43
a mature ovary which contains seeds. the fleshy material helps other animals eat it and disperse the seeds
Fruit
44
the starchy, nutritive material in a speed which nourishes the plant embryo
Endosperm
45
the fertilization of polar nuclei, which will become endosperm and the formation of the plant ebryo
Double Fertilization
46
the embryonic stem which support the plant
Hypocotyl 1
47
the portion of the embryo which bears young leaves or the plumules
Epicotyl 1
48
concertric rings of xylem
wood
49
an impermeable layer of lignin and suberin which forces water and minerals to move through root cells, not between root cells
Casparian Strip
50
a component of the bark of a woody plant
Cork
51
are a symbiotic association of fungi and algae
Lichens
52
the male gametophyte of an angiosperm
Pollen
53
Ie mushrooms and club fungi
Basidomycetes
54
Kelp is the largest form of the algae
Brown algae
55
the space on the stem between the nodes
Internode
56
the force that causes a root a grow down and a shoot to grow up
Gravitotropism
57
a large vertical root, which stores starch
Taproot
58
branched , stores less starch
Fibrous
59
the site of water and mineral absorption
Root hairs
60
Root growing in unusual places
Adventitious Roots
61
Vegetative shoots with leaves, floral shoots and flowers
Shoot system
62
point of leaf attachment
Node
63
stem segment with out leaves
Internodes
64
found in the ankle between the leaf and stem usually dormant embryonic side shoots
Axillary Bud
65
Tip of the shoot - an apical meristem
apex
66
developing leaves compact area of nodes and internodes
Terminal Bud
67
evolutionary adaptation that leads to taller growth and increase exposure to light
Apical Dominance
68
horizontal stems which grow on the ground surface
Stolon
69
Horizontal stems which grow under ground
Rhizomes
70
Ie . tulip or onion
bulbs
71
main photosynthetic organ
leaves