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Leaf abscission is initiated and orchestrated by the hormone abscisic acid.

Correct Answer

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Match the modified leaves below with their function.

Premises
deter herbivores
Responses
bud scales
tendrils
spines
bulbs
bracts

Correct Answer

bud scales
tendrils
spines
bulbs
bracts

Indicate whether each of the following characteristics is generally found in monocots or in eudicots.

Premises
exhibit pinnately netted venation
Responses
monocots
eudicots

Correct Answer

monocots
eudicots

Which of the following reduces water loss from plant epidermal cell exterior walls?


A) Cellulose
B) Lignin
C) Hemicellulose
D) Starch
E) Cuticle

Correct Answer

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verified

Eudicot leaves typically have:


A) alternately palmate venation.
B) netted venation.
C) parallel venation.
D) alternately pinnate venation.
E) no venation.

Correct Answer

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verified

Usually the only epidermal cells with chloroplasts are:


A) stomata.
B) stoma.
C) parenchyma.
D) guard cells.
E) all of these.

Correct Answer

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verified

Describe the benefits of transpiration to plants.

Correct Answer

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Concepts to Consider: Transpiration is r...

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The middle portion of a leaf that is sandwiched between the upper and the lower epidermis is called the:


A) mesoderm.
B) middle lamella.
C) mesophyte.
D) bundle sheath.
E) mesophyll.

Correct Answer

verifed

verified

Match the modified leaves below with their function.

Premises
protect the apical meristem
Responses
bud scales
bracts
tendrils
spines
bulbs

Correct Answer

bud scales
bracts
tendrils
spines
bulbs

Monocot leaves typically have:


A) alternately palmate venation.
B) netted venation.
C) parallel venation.
D) alternately pinnate venation.
E) no venation.

Correct Answer

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verified

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