Quizzes Flashcards
All of the following are characteristics of a good scientific, technical plant naming system besides:
A. Stable
B. Long, multiple word names
C. Universal
D. Has its basis in natural relationships between plants
B. Long multiple word names
Tagetes patula L. the French Marigold. What is its species name? A. Tagetes B. patula C. Tagetes patula D. Marigold E. Linnaeus
C. Tagetes patula
Plants that live for more than two growing seasons and do not die after flowering are called? A. Biennials B. Acidophytes C. Metallophytes D. Perennials E. Annuals
D. Perennials
A plant type within a species that is developed & preserved through human horticultural practice is most correctly called? A. variant B. cultivar C. subspecies D. ecotype E. variety
B. cultivar
Who is often regarded as the key figure in the history of modern systematic plant nomenclature?
Linnaeus
The stalk that typically connects the leaf blade to a stem is called?
petiole
A bud is always found at the point of attachment of a leaf to a stem. That location is called?
node
A waxy cuticle layer is often found of the outer surface of a leaf. The purpose is…
Prevent loss of water vapor from the leaf interior
Which cell types in a leaf generally have chloroplasts and can conduct photosynthesis A. Epidermal B. Palisade mesophyll C. Spongy mesophyll D. A & B E. B & C
E. B & C
Guard cells are part of what apparatus?
stomata
Examples of leaf modifications include all of the following except one. Which? A. Twining tendrils B. Prickles C. Bulb scales D. Spines E. Insect traps
B. Prickles
Vascular phloem is composed of two types of cells
sieve tubes and companion cells
Meristematic cells are all of the following except which? A. Undifferentiated B. Capable of actively dividing C. Thin cell walls D. Large vacuole
D. Large vacuole
A modified stem that grows horizontally along the ground, may have elongated internodes, and may produce a rooted "daughter" plant at a node is called a A. Rhizome B. Tuber C. Vine D. Stolon E. Tiller
D. Stolon
Which of the following is not a usual function of roots? A. anchorage to the soil B. fixation of soil-borne CO2 C. storage of energy D. absorption of soil water E. acquisition of mineral nutrients
B. fixation of soil-borne CO2
What function is performed by the layer of cells in the root called endodermis? A. photosynthesis B. pumping of soil water C. regulation of ion uptake D. mitigation of drought E. growth promotion
C. regulation of ion uptake
Which important function for the plant does photosynthesis perform? A. carbon capture B. nutrient capture C. energy capture D. A & C E. B & C
D. A & C
Which colors of the visible light spectrum are the ones primarily absorbed by chloroplasts in a plant leaf in photosynthesis?
blue and red
Which occurs in the Calvin cycle
A. Activation of chlorophyll
B. Production of ATP from ADP and NADPH from NADP+
C. Conversion of light energy into chemical energy
D. Incorporation of CO2 into sugars
E. Activation of the ‘Sunlight’ enzyme
D. Incorporation of CO2 into sugars
Closed greenhouse, how do you increase productivity of your vegetable plants?
increase or decrease | H2O or CO2
increase CO2
6CO2 + 6H2O -> C6H12O6 + 6O2
energy captured or released?
captured
What do C4 plants perform that reduces water loss and allows for photosynthesis
Calvin cycle compartmentation is in the bundle sheath
What do CAM plants perform that reduce water loss and allows for photosynthesis
stomata are opened in the dark
term of the plant that captures an excess of energy and carbon
source
term for the part of the plant that receives energy and carbon
sink
Primary growth of plants involve A. Extension size increases B. Thickening of diameter C. Branching D. A & B E. B & C
A. Extension size increases
Which structure in the cell is most responsible for the cell size in plant growth?
vacuole
Where do branch or lateral roots arise from?
pericycle
Where do primary root/shoot growth occur?
shoot/root tip
RAM/SAM
Where does the hormonal signal originate for lateral bud growth?
apical bud
What hormonal signal is used for lateral bud growth?
auxin
Strong apical dominance results in what overall plant form/shape?
cone
Abscisic acid is involved in all of the following except one
A. promoting cell division
B. imposing seed dormancy
C. closing of stomatal pores
A. promoting cell division
Plant hormones are synthesized in one plant tissue and then
A. are present in high concentrations
B. immediately linked to a nucleotide
C. are effective in the same tissue
D. are transported to a different tissue for action
D. are transported to a different tissue for action
Which of the following is not an endogenous plant hormone A. auxin B. methane C. gibberellins D. abscisic acid E. cytokinin
B. methane
Gravitropism is sensed where? A. meristem of root tip B. root cap of root tip C. in the zone of cell elongation or expansion D. in the root hairs
B. root cap of root tip
In phototropism, auxin in a higher concentration of one side of the stem away from the light results in what? A. faster cell division B. slower cell division C. greater cell elongation D. slower cell elongation
C. greater cell elongation
