Quiz 1

Question 1

What single family of plants are all grasses members of?

Answer 1

Poaceae

Question 2

What is grass? Monocot or Dicot?

Answer 2

Monocot- single cotyledon (seed leaf)

Question 3

What kind of roots does grass have?

Answer 3

Fibrous roots - spread out

Question 4

Two major groups of grass? What does grass perform?

Answer 4

Cool Season - (C3) Warm Season - (C4) Photosynthesis

Question 5

Examples of Cool Season?

Answer 5

Poa (Bluegrass), Festuca (Fescue) Lolium (Rye) Agrostis (Bent)

Question 6

Examples of Warm Season?

Answer 6

Cynodon (Bermuda) Zoysia

Question 7

What is special about the Transition Zone of Turfgrass?

Answer 7

Both Cool and Warm Season grasses compete.

Question 8

Inflorescence - What is it?

Answer 8

The flowering portion of the shoot

Question 9

Spikelet - What is it?

Answer 9

Basic unit of a grass inflorescence

Question 10

What does a Spikelet consist of?

Answer 10

Two Glumes and 1 or more Florets

Question 11

Floret - What is it?

Answer 11

A single flower enclosed by the lemma and palea (bracts)

Question 12

Three types of Arrangements of Spikelets?

Answer 12

Raceme Spike Panicle

Question 13

Spike - What kind of arrangement is it?

Answer 13

Attached directly to main supporting axis

Question 14

Raceme - What kind of arrangement is it?

Answer 14

borne on pedicels (stalks) attached directly to the main axis

Question 15

Panicle - What kind of arrangement is it?

Answer 15

Borne on branches arising from the main axis

Question 16

Primary Root

Answer 16

Root that develops from the embryo (seed)

Question 17

Adventenious Root

Answer 17

A root that arises from any organ other than the embryo

Question 18

Node - What is it? Where is it? (Region of stem where the ________ is attached.

Answer 18

Joint of a stem, region of stem were the leaf is attached

Question 19

Auxillary Bud

Answer 19

Vegative bud arising at the junction of the leaf and stem

Question 20

Types of Leaf Blades

Answer 20

Pointed

Boat

Blunt

Question 21

Leaf Sheath

Answer 21

Lower Tubular portion of the leaf that encircles the stem

Question 22

Types of Leaf Sheaths

Answer 22

Closed

Open

Overlap

Question 23

Vernation

Answer 23

Arrangement of new leaves within the older leaf sheath

Either Rolled or Folded

Question 24

Examples of Folded Vernation

Answer 24

Poa and Rye

Question 25

Example of Rolled Vernation

Answer 25

Fescue Tall

Question 26

Collar

Answer 26

a band at the junction of the leaf blade and leaf sheath

Question 27

Three types of Collars

Answer 27

Divided

Broad

Narrow

Question 28

LIgule - What is it? Where is it? (Junction of the _________ and _________)

Answer 28

Appengage on the inner side of a grass leaf at the junction of the blade and sheath

Question 29

Types of Ligules

Answer 29

Absent

Membranus (smooth)

Hairy

Question 30

What grasses have hairy ligules?

Answer 30

Warm Season, Zoa and Burmuda

Question 31

Auricle - What is it? Where is it? (base of the ___________)

Answer 31

Appendage occuring in pairs at the base of the blade

Question 32

Types of Auricles

Answer 32

Absent

Small

Prominant

Question 33

Example of Prominant Auricle?

Answer 33

Rye Annual

Question 34

Examples of Stoloniferous Grass

Answer 34

Bermuda

Creeping Bent

Zoa

Question 35

Examples of Rhizomatous Grass

Answer 35

Kentucky Bluegrass

Question 36

Example of Bunch Type Growth (Tillers)

Answer 36

Tall Fescues

Rye

Chewings and Hard Fescue