Horticulture - Exam 2 Jackson NCSU
Questions with Correct Answers
Functions of Stems - answerStorage, transportation, support, food, bears flowers and
fruits
stem parts - answernodes, internodes, and buds
nodes - answerplace on stem where buds/leaves are formed
internodes - answerspace on stem between nodes
buds - answerundeveloped shoot or flower
Bud/Leaf Arrangment - answeralternate, opposite, or whorled
alternate arrangement - answerone bud/leaf per node
opposite arrangement - answertwo buds/leaves per node
whorled arrangement - answerthree or more buds/leaves per node
prostrate stem - answerstems that run along the ground
stolon - answerprostrate stem that runs along the ground and produces a plantlet at tip.
ex. strawberry, spider plant
Rhizome - answerprostrate stem that runs below ground and produces plantlet at tip ex.
bamboo, Bermuda grass
Irish potato - answermodified stem called a Tuber
Sweet potato - answermodified root called tuberous root
leaf parts - answerpetiole, blade, stipule
petiole - answerstalk of a leaf
blade - answerbrand expanded part of a leaf
stipule - answersmall leaf-like appendage at bone of leaf
how to look for a leaf? - answerlook for the BUD
, simple leaf type - answeruninterrupted leaf blade
compound leaf type - answerinterrupted/divided leaf blade
poison ivy - answerdeciduous vine with alternate leaves, compound, uses adventitious
roots
Danae racemosa - answerpoets laurel
cladophylls - answerleaf like structures that are truly modified stems
example of cladophylls - answerChristmas cactus
Epidermis - answerregulates the loss of gases, regulates the loss of water, and protects
the internal constituents
specialized epidermal cells - answerguard cells (stomata), they regulate water loss and
release carbon dioxide
cuticle - answerwaxy coating, seals cracks between epidermal cells, regulates gas loss,
regulates water loss
trichomes - answerhairs
palisade layer - answerunder the epidermis; contains tightly packed chloroplasts - site of
photosynthesis
spongy mesophyll - answerbetween palisade and lower epidermal later; loosely packed
cells with air space between (water vapor, oxygen, CD)
what are the four classic flower parts - answerpetal, sepals, pistil, and stamen
petal - answer(corolla) - pigmented structures to attract pollinators
sepals - answer(calyx) - protective covering during bud stage (before flowers open)
pistil - answerfemale reproductive organ
stamen - answermale reproductive organ
What part of corn is the staminate organ? - answerthe tassels
what part of corn is the pistillate organ? - answerthe silks
Questions with Correct Answers
Functions of Stems - answerStorage, transportation, support, food, bears flowers and
fruits
stem parts - answernodes, internodes, and buds
nodes - answerplace on stem where buds/leaves are formed
internodes - answerspace on stem between nodes
buds - answerundeveloped shoot or flower
Bud/Leaf Arrangment - answeralternate, opposite, or whorled
alternate arrangement - answerone bud/leaf per node
opposite arrangement - answertwo buds/leaves per node
whorled arrangement - answerthree or more buds/leaves per node
prostrate stem - answerstems that run along the ground
stolon - answerprostrate stem that runs along the ground and produces a plantlet at tip.
ex. strawberry, spider plant
Rhizome - answerprostrate stem that runs below ground and produces plantlet at tip ex.
bamboo, Bermuda grass
Irish potato - answermodified stem called a Tuber
Sweet potato - answermodified root called tuberous root
leaf parts - answerpetiole, blade, stipule
petiole - answerstalk of a leaf
blade - answerbrand expanded part of a leaf
stipule - answersmall leaf-like appendage at bone of leaf
how to look for a leaf? - answerlook for the BUD
, simple leaf type - answeruninterrupted leaf blade
compound leaf type - answerinterrupted/divided leaf blade
poison ivy - answerdeciduous vine with alternate leaves, compound, uses adventitious
roots
Danae racemosa - answerpoets laurel
cladophylls - answerleaf like structures that are truly modified stems
example of cladophylls - answerChristmas cactus
Epidermis - answerregulates the loss of gases, regulates the loss of water, and protects
the internal constituents
specialized epidermal cells - answerguard cells (stomata), they regulate water loss and
release carbon dioxide
cuticle - answerwaxy coating, seals cracks between epidermal cells, regulates gas loss,
regulates water loss
trichomes - answerhairs
palisade layer - answerunder the epidermis; contains tightly packed chloroplasts - site of
photosynthesis
spongy mesophyll - answerbetween palisade and lower epidermal later; loosely packed
cells with air space between (water vapor, oxygen, CD)
what are the four classic flower parts - answerpetal, sepals, pistil, and stamen
petal - answer(corolla) - pigmented structures to attract pollinators
sepals - answer(calyx) - protective covering during bud stage (before flowers open)
pistil - answerfemale reproductive organ
stamen - answermale reproductive organ
What part of corn is the staminate organ? - answerthe tassels
what part of corn is the pistillate organ? - answerthe silks
