Deck 27: An Introduction to Flowering Plant Form and Function

Question 1

Experiments suggest that the KNOX protein is closely associated with what plant hormone during the induction of leaf primordia?

A)auxin
B)ethanol
C)abscisic acid
D)ethylene
E)gibberellic acid

Answer 1

E

Question 2

The mesophyll of the leaf

A)is located between the leaf veins.
B)is exposed to direct sunlight.
C)is mostly along the edges of the leaf.
D)is sometimes found in roots or stems.
E)is made up of palisade and spongy parenchyma cells.

Answer 2

E

Question 3

If a cross section of a eudicot herbaceous stem were compared with the cross section of its root,how would they differ?

A)location of dermal tissue
B)location of ground tissue
C)location of vascular tissue
D)location of terminal buds

Answer 3

C

Question 4

Root hairs are specialized

A)connective tissues.
B)epidermal cells.
C)conductive tissues.

Question 5

A plant that you are studying has sluggish wound healing abilities as well as an inability to store significant food reserves.You would like to enhance these properties.If you could enhance the growth of a tissue to improve these properties,which tissue would you enhance?

A)parenchyma of the stem cortex
B)root apical meristem
C)periderm
D)lateral meristem

Question 6

What is the closest parallel in animal structural levels of complexity to the branches,buds,flowers,seeds,and fruits of flowering plants?

A)subcellular,specialized organelles
B)bone cells,muscle cells,skin cells,nerve cells
C)muscle tissue,connective tissue,nervous tissue,epithelial tissue
D)heart,lungs,stomach,kidney,reproductive organs
E)digestive system,reproductive system,skeletal system

Question 7

Scientists discovered that the primary reason leaves either develop as simple or compound is related to

A)whether the KNOX gene is active or not active.
B)where the leaf primordium is positioned.
C)whether auxins are moving in the stem tip.
D)how fast the KNOX gene arrives at the primordium.
E)the protein PHANTASTICA and its interaction with auxins.

Question 8

Where in the eudicot plant root would you expect to find vascular tissue?

A)in the center
B)near the edge
C)between the ground and dermal tissue
D)scattered in the root
E)parallel to the edge

Question 9

Predict what would occur if you removed the shoot apical meristem of a plant embryo.

A)Growth would only occur at in the roots.
B)The plant would grow two or more new shoot apical meristems.
C)The root apical meristem would take over the function of the shoot apical meristem.
D)The plant would mature,but only through vertical growth--no branches would form.

Question 10

How can one distinguish between annuals,biennials,and perennials?

A)how tall they grow
B)the number of flowers they produce
C)the amount of root development
D)the environment they grow in
E)the time from seed germination to seed production

Question 11

Corn seeds have one cotyledon.

Question 12

In terms of adaptation and diversity,what stage of the alternation of generations in flowering plants is analogous to the production of hundreds of fertilized eggs from a pair of wood frogs?

A)gametophyte stage
B)sporophyte stage
C)embryogenic stage
D)gametogentic stage

Question 13

Where would one find the leaf axillary bud?

A)in the internode of the stem
B)near the terminal bud
C)between the leaf petiole and the stem
D)between the leaf petiole and the leaf blade
E)between leaflets on a compound leaf

Question 14

What is true of eudicots but not monocots?

A)Eudicots have flower parts usually in multiples of 4 or 5.
B)Eudicots have true seed leaves but monocots do not.
C)Eudicots have vascular bundles scattered in their stems.
D)Eudicots have venation that is parallel to the leaf axis.
E)Eudicots have stomatal pores but monocots do not.

Question 15

Cell extension involves

A)loss of water.
B)low acidic condition.
C)enzymes that produce polysaccharides.
D)expansion of cellulose microfibrils.
E)water leaving the central vacuolE.

Question 16

Where is the primary meristem located?

A)dermal tissue
B)vascular tissue
C)woody stem
D)root and stem tips
E)stem tip only

Question 17

What is a feature of woody stems (in temperate regions)but not of herbaceous stems?

A)bud scale scars
B)internodes
C)nodes
D)axillary buds
E)shoot tip

Question 18

A vascular bundle

A)contains xylem and phloem.
B)is not found in leaves.
C)is usually scattered in the stem of a eudicot.
D)is on the outer surface of a root.
E)is very distinct in the apical meristem.

Question 19

What do you predict would happen if flower growth became indeterminate?

A)The flowers would lose their distinct shape.
B)The flower size would be reduced.
C)The flowers would be enormous.
D)Pollen and seed production would cease.

Question 20

What do eudicots have that is not present in monocots?

A)parallel venation
B)leaf blade
C)netted venation
D)nodes
E)internodes

Question 21

The word meristem is derived from a Greek word meaning to divide.

Question 22

The root zone of maturation is immediately above the root apical meristem (RAM).

Question 23

The apprentice in your horticulture lab accidentally trims all of the axillary buds from a particularly prized specimen.After realizing his mistake,he rather glumly asks you,as lead horticulturalist,about the effects on the plant.You predict that

A)the plant will die rapidly from this loss.
B)the plant will re-grow the lost buds.
C)the plant will continue its vertical growth and will be a tall and skinny variety.
D)the plant will continue its horizontal spread and will be a wide but short variety.

Question 24

You and your lab partners are studying a plant and find a way to inactivate the SAM.If the plant is to continue living,it will have to find an alternate way to accomplish what essential plant function?

A)biochemical pathways of photosynthesis
B)movement of nutrients and water
C)collection of water from the soil
D)physical support of the upper plant structure

Question 25

You are a botanist who is immersed in your attempt to increase a certain property in your plant of study.To that end,you induce a mutation that doubles the amount of vascular cambium (a type of meristem)in your plant.Assuming this brings the desired effect,what exactly was the property that you sought to increase?

A)production of new growth at the tip of stems
B)production of secondary xylem and phloem
C)production of only xylem to make wood
D)production of bark only
E)production of new leaves

Question 26

Flowers develop as a result of determinate shoot growth.

Question 27

In the alternation of generations of flowering plant life cycles,the gametophyte stage is most similar to what stage of termite development?

A)egg
B)larva
C)pupa
D)fertile queen
E)sterile soldier

Question 28

Imagine an insect that is making its way from the outside of a tree to the inside of the tree. Put the layers that it would it encounter in order, starting with the outermost later.
*Primary xylem and pith
*Remains of primary and older secondary phloem
*Cork cambium
*Cork
*Secondary xylem

Question 29

As you experiment with microRNA,you find that you are able to disable it entirely.What do you predict would be the primary effect of this on a plant?

A)It would be left unable to grow leaves.
B)Chlorophyll production would cease.
C)Photosynthesis would cease.
D)Leaf shape would be unchangeD.

Question 30

Which would be least affected by the loss of guard cell function that closes stomata?

A)a desert plant
B)a plant from the plains of the American midwest
C)a rainforest plant
D)a poisonous plant
E)a carnivorous plant