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Histology > Plants > Flashcards

Plants Flashcards

1
Q

Vascular, naked seed

A

Gymnosperms, conifers

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2
Q

Vascular, flower/fruit

A

Angiosperm
Flowering plants

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3
Q

Parenchyma function
Spaces

A

Storage, heal wounds
Close to each other

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4
Q

Collenchyma
Function

A

Cellulose + pectin
Support

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5
Q

Sclerenchyma

A

Second cell wall + lignin
Die when mature

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6
Q

The 3 tissues

A

Dermal
Ground
Vascular

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7
Q

Xylem components

A

Vessels
Tracheids
Xylem fiber

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8
Q

Phloem components

A

Sieve tube
Companion cells

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9
Q

Pressure flow model

A

Sugar move from source
Water leave xylem and go to phloem by osmosis
Water flow helps sugars to flow to sink

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10
Q

Primary vs secondary growth

A

Length
Width

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11
Q

Light dependent products

A

ATP
NADPH
O2

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12
Q

Light indpeendent

A

C6H12O6

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13
Q

No cuticle on

A

Root

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14
Q

Male reproductive
Female reproductive

A

Stamedn
Pistil

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15
Q

Root

A

Epidermis>protection
Cortex> contains parenchyma + collenchyma
Endodermis>xylem and phloem

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16
Q

Who can perform secondary growth

A

Dicot roots

17
Q

Dicot vs monocot root system

A

Monocot several thin branches
Dicot main thick taproot and peripheral thin

18
Q

Axillary bud

A

Embryonic shoot that lies at junction of stem and petiole to give rise to branch or flower

19
Q

Leaf parts and functions

A

Cuticle > waxy layer for protection from water loss
Upper epidermis> protect internal tissue and helps gas exchange
Palisade> photosynthesis
Spongy>gas exchange and photosynthesis and support
Lower epidermis> gas exchange and stomata

20
Q

Stomata

A

Gas exchange

21
Q

Wilting may occur due to

A

Excessive transpiration

22
Q

Monocot root vs dicot
Monocot stem vs dicot

A

Dicot dawayer> main circle with x in root and arranged in stem
Moncot scattered in stem and not x in root

Histology (19 decks)

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