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BOTANY > LEAF > Flashcards

LEAF Flashcards

1
Q

Occur only in plants
Evaporation/loss of water

A

Transpiration

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2
Q

Occur in the leaves while their stomata are open for the passage of CO2 and O2 during photosynthesis

A

Transpiration

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3
Q

Photosynthetic organ of the plant

A

Leaf

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4
Q

2primary functions of the leaf

A

Photosynthesis
Transpiration

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5
Q

Collective term for all the leaves of the plants

A

Phyllome

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6
Q

4other functions of the leaf

A

To protect:
-vegetative organs
-inflorescence
-Flowers
To store nutrients for cotyledon

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7
Q

5 parts of the leaf

A

Petiole/leaf stack
Leaf sheath
Pulvinus
Stipule
Ligule

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8
Q

Attachment leading from the node to the blade

A

Petiole/leaft stack

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9
Q

Attaches the leaf to the node

A

Leaf sheath

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10
Q

Enlargement at the base of the petiole

A

Pulvinus

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11
Q

Leaf-like structure attached to the pulvinus

A

Stipule

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12
Q

Hairy structure at the junction of betw. The leaf sheath and the blade to avoid dessication

A

Ligule

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13
Q

5parts of the leaf(in picture)

A

Midrib
Veins
Blade
Petiole
Stipule

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14
Q

4common morphological structure in dicot&monocot plant

A

Base/lamina
Margin
Midrib
Tip/apex

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15
Q

Flat expanded green portion of the leaf

A

Base/lamina

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16
Q

Edge of the leaf
Key characteristic that helps identify the plant

A

Margin

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17
Q

Central vein(vascular path of the blade)

A

Midrib

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18
Q

End oart of the leaf

A

Tip/apex

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19
Q

2types of leaf

A

Simple
Compound

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20
Q

Only 1 blade

A

Simple leaf

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21
Q

Blade is subdivided called leaflets

A

Compound

22
Q

Attach to the rachis by the means of petiole

A

Leaflets/pinnae

23
Q

2typs of compound leaf

A

Pinnately compound
Palmately compound

24
Q

Leaves are Arranged in a circular pattern

A

Palmately compound

25
Q

Leaves are Aranged along the sude of the rachis

A

Pinnately compound

26
Q

Type of venation in monocot

A

Parallel venation

27
Q

Type of venation in dicot

A

Reticulate/netted

28
Q

2types of netted

A

Pinnately netted
Palmately netted

29
Q

Main vein called midrub with secondarg veins branching from it

A

Pinnately netted

30
Q

Veins radiate out of base of blade

A

Palmately netted

31
Q

System of leaf arrangement on the stem

A

Phyllotaxy

32
Q

One leaf is formed at each node and they are arranged 1 above the other

A

Alternate phyllotaxy

33
Q

3types of phyllotaxy

A

Alternate
Opposite
Whorled/verticillate

34
Q

2leavez are formed at a node

A

Opposite

35
Q

3or more lwaves arise from a node

A

Whorled/verticillate

36
Q

7 internal structure of the leaf

A

Epidermis
Mesophyll
Vascular bundle
Upper epidermis
Cuticle
Stomata
Guard cells

37
Q

3 types of stomata

A

Epistomata
Hypostomata
Amphistomata

38
Q

Stomata located on the upper epideemis of the leaf

A

Epistomata

39
Q

Stomata located on the lower epidermis of the leaf

A

Hypostomata

40
Q

Stomata located on the both epidermis of the leaf

A

Amphistomata

41
Q

This internal structure of the leaf is to facilitate movement of oxygen, carbon dioxide, and water vapor

A

Spongy mesophyll

42
Q

Distinct concentric arrangement of chloroplast containing bundle sheath cells, surrounding the vasculat bundle

A

Kranz anatomy

43
Q

10 modified leaves

A

Tendrils
Spines
Succulent
Thorns
Scale-like leaf
Bract/showy leaves
Expanded petiole
Insect-trapping leaf
Float
Plantlet at a notch

44
Q

To climb or support weak stem

A

Tendrils

45
Q

To reduce water loss and protect from herbivory

A

Spines

46
Q

Thick, fleshy leaf, usually modified for water storage

A

Succulent

47
Q

Arising in the axils of leaves of woody plants

A

Thorns

48
Q

Leaf holding a flower(colored)

A

Bract/showy leaves

49
Q

For photosynthesis

A

Expanded petiole

50
Q

For buoyancy

A

Float

51
Q

For asexual reproduction

A

Plantlet at a notch

BOTANY (6 decks)

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