Lab 5

Question 1

The legume seed is comprised of ________, __________, and __________.

Answer 1

testa, cotyledon, and embryo

Question 2

The embryo axis in a legume seed is comprised of a young shoot called the ___________.

Answer 2

epicotly

Question 3

The portion below the first node is called the ___________.

Answer 3

hypocotly

Question 4

The scar of the soybean indicating where it was attached to placenta in the pod is the ___________.

Answer 4

hilum

Question 5

What three conditions are required for germination to occur?

Answer 5

temperature, moisture, oxygen

Question 6

the first structure to break through the seed coat during germination is the _______.

Answer 6

radical

Question 7

Hypocotly arches can be found in legumes that exhibit ___________ type of emergence.

Answer 7

epigeal

Question 8

Two examples of crops that have a epigeal emergence are:

Answer 8

soybean, large bean

Question 9

Where are the cotyledons after a soybean seedling emerges?

Answer 9

above the soil surface

Question 10

Epicotyl arches can be found in legumes exhibit ________ type of emergence.

Answer 10

hypogeal

Question 11

Two examples of crops that exhibit a hypogeal emergence are:

Answer 11

peas, chickpeas, lentils

Question 12

Where are the cotyledons after a pea seedling emerges?

Answer 12

below the ground

Question 13

Which seed would likely be damaged more seriously by hail or frost? Soybean seedling or Pea seedling?

Answer 13

Soybean

Question 14

The fruit of grass is called a __________.

Answer 14

caryopsis

Question 15

A caryopsis is comprised of the _________, the ________, and ___________.

Answer 15

pericap, endosperm, and embryo

Question 16

The heath that protects the embryonic shoot is called the __________.

Answer 16

coleoptile

Question 17

The _________ provides food fro the embryo and young seeding after germination.

Answer 17

endosperm

Question 18

The cotyledon of a grass embryo is attached at the ______ node.

Answer 18

first

Question 19

All grass seedling exhibit ________ emergence. After emergence of a grass seedling, the cotyledons is located _________.

Answer 19

hypogeal, where it was planted

Question 20

Two methods of seedling emergence in grasses are the ______ and _______ methods.

Answer 20

panicoid and festucoid

Question 21

What structures elongate in panicoid emergence?

Answer 21

mescoctyl and coleoptile

Question 22

What structure elongate in festucoid emergence?

Answer 22

coleoptile

Question 23

Two crops that have festucoid emergence are:

Answer 23

barley and wheat

Question 24

Two crops that have panicoid emergence are:

Answer 24

corn and soybean

Question 25

In panicoid emergence the roots:

Answer 25

are always near the surface

Question 26

In festucoid emergence the roots:

Answer 26

remain near planting