Quizzes

Question 1

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

Answer 1

B. Long multiple word names

Question 2

Tagetes patula L. the French Marigold. What is its species name? 
A. Tagetes
B. patula
C. Tagetes patula
D. Marigold
E. Linnaeus

Answer 2

C. Tagetes patula

Question 3

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

Answer 3

D. Perennials

Question 4

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

Answer 4

B. cultivar

Question 5

Who is often regarded as the key figure in the history of modern systematic plant nomenclature?

Answer 5

Linnaeus

Question 6

The stalk that typically connects the leaf blade to a stem is called?

Answer 6

petiole

Question 7

A bud is always found at the point of attachment of a leaf to a stem. That location is called?

Answer 7

node

Question 8

A waxy cuticle layer is often found of the outer surface of a leaf. The purpose is…

Answer 8

Prevent loss of water vapor from the leaf interior

Question 9

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

Answer 9

E. B & C

Question 10

Guard cells are part of what apparatus?

Answer 10

stomata

Question 11

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

Answer 11

B. Prickles

Question 12

Vascular phloem is composed of two types of cells

Answer 12

sieve tubes and companion cells

Question 13

Meristematic cells are all of the following except which?
A. Undifferentiated
B. Capable of actively dividing
C. Thin cell walls
D. Large vacuole

Answer 13

D. Large vacuole

Question 14

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

Answer 14

D. Stolon

Question 15

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

Answer 15

B. fixation of soil-borne CO2

Question 16

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

Answer 16

C. regulation of ion uptake

Question 17

Which important function for the plant does photosynthesis perform?
A. carbon capture
B. nutrient capture
C. energy capture
D. A & C
E. B & C

Answer 17

D. A & C

Question 18

Which colors of the visible light spectrum are the ones primarily absorbed by chloroplasts in a plant leaf in photosynthesis?

Answer 18

blue and red

Question 19

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

Answer 19

D. Incorporation of CO2 into sugars

Question 20

Closed greenhouse, how do you increase productivity of your vegetable plants?

increase or decrease | H2O or CO2

Answer 20

increase CO2

Question 21

6CO2 + 6H2O -> C6H12O6 + 6O2

energy captured or released?

Answer 21

captured

Question 22

What do C4 plants perform that reduces water loss and allows for photosynthesis

Answer 22

Calvin cycle compartmentation is in the bundle sheath

Question 23

What do CAM plants perform that reduce water loss and allows for photosynthesis

Answer 23

stomata are opened in the dark

Question 24

term of the plant that captures an excess of energy and carbon

Answer 24

source

Question 25

term for the part of the plant that receives energy and carbon

Answer 25

sink

Question 26

``` Primary growth of plants involve A. Extension size increases B. Thickening of diameter C. Branching D. A & B E. B & C ```

Answer 26

A. Extension size increases

Question 27

Which structure in the cell is most responsible for the cell size in plant growth?

Answer 27

vacuole

Question 28

Where do branch or lateral roots arise from?

Answer 28

pericycle

Question 29

Where do primary root/shoot growth occur?

Answer 29

shoot/root tip | RAM/SAM

Question 30

Where does the hormonal signal originate for lateral bud growth?

Answer 30

apical bud

Question 31

What hormonal signal is used for lateral bud growth?

Answer 31

auxin

Question 32

Strong apical dominance results in what overall plant form/shape?

Answer 32

cone

Question 33

Abscisic acid is involved in all of the following except one A. promoting cell division B. imposing seed dormancy C. closing of stomatal pores

Answer 33

A. promoting cell division

Question 34

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

Answer 34

D. are transported to a different tissue for action

Question 35

``` Which of the following is not an endogenous plant hormone A. auxin B. methane C. gibberellins D. abscisic acid E. cytokinin ```

Answer 35

B. methane

Question 36

``` 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 ```

Answer 36

B. root cap of root tip

Question 37

``` 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 ```

Answer 37

C. greater cell elongation