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Botany > Leaves > Flashcards

Leaves Flashcards

1
Q

Expanded, flattened green structure growing out at the

node of the stem

A

Leaves

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2
Q

where does leaf arises?

A

from the activity of leaf primordium

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3
Q

2 Functions

A

Photosynthesis and Transpiration

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4
Q

The process by which plant loses water

A

Transpiration

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5
Q

Transpiration is for

A

continuous uptake of water
cooling effects
to control degree of saturation of cell with water that may cause rottening of leaves

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6
Q

popular herb family is the

A

mint family

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7
Q

Poison hemlock

A

Conium maculatum

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8
Q

nature of the blade - one blade of just one part

A

Simple

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9
Q

nature of the blade - with a blade divided into leaflets or pinnae or pinnule.

A

Compund

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10
Q

leaflets are attached to the end of the petiole

A

Palmately Compound

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11
Q

2 leaf lets palmately compound

A

bifoliate

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12
Q

one rachis pinnately compound

A

Simple pinnately compound

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13
Q

three rachis pinnately compound

A

Tripinnately compound

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14
Q

arrangement of veins on the blade

A

Venation pattern

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15
Q

Give three Netted Venation Pattern

A

Pinnately netted
Palmately netted
Radiatedly netted

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16
Q

Give 4 Parallel venation pattern

A

Palmately Parallel ex. anahaw
Veins parallel to the Midrib
Veins acute angles to the midrib
Veins perpendicular o the midrib

17
Q

arrangement of leaves on the stem

A

Phyllotaxy

18
Q

in ____: monocot leaf that undergoes C4 metabolism

A

Kranz Anatomy or wreath ana.

19
Q

are large vacuolated epidermal cells that inroll the leaf during hot conditions

A

Bulliform cells

20
Q

Bulliform cells is present only in monocot. T or F?

A

True

21
Q

detachment area of leaves from the stem.

A

Abscission zone

22
Q

leaf aging due to breakdown of chlorophyll, sugars and loss of photosynthetic ability.

A

Senescence

23
Q

thick and fleshy, reduced surface- volume- ratio.

A

Succelent Leaves

24
Q

thick sclerenchyma, resistant to animals, fungi, freezing temp, and UV, very thick cuticle.

A

Sclerophyllous foliage

25
Q

no blade and needle shaped

A

Spines

26
Q

sensing contact with other objects, no lamina.

A

Tendrils

27
Q

digest insects and obtain nitrogen for their amino acid

A

Insect traps

28
Q

produce plantlets

A

Adventitious buds

29
Q

for attraction

A

Colored leaves

30
Q

aerenchymatous leaf base for buoyancy and support

A

Floats

31
Q

supporting leaf bases

A

pseudotrunk

32
Q

display “thigmonasty” sensitivity to touch, for protection

A

Motile leaves

33
Q

added photosynthesis

A

Expanded leaf-like petiole or stipule

Botany (9 decks)

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