Seed Development and Structure

Question 1

What part of a female plant creates seeds?

Answer 1

Ovule

Question 2

What part of the female plant creates fruit?

Answer 2

Ovary

Question 3

What are cotyledon?

Answer 3

Specialized proembryo cells

Question 4

What is a proembryo?

Answer 4

Embryo beginning mitosis

Question 5

What is a suspensor?

Answer 5

A ligament that anchors the embryo

Question 6

What is a eudicot?

Answer 6

Has 2 cotyledon

Question 7

What is a monocot?

Answer 7

Has 1 cotyledon

Question 8

The endosperm will eventually transform into what?

Answer 8

Cotyledon

Question 9

Which can perform photosynthesis? Endosperm or Cotyledon?

Answer 9

Cotyledon

Question 10

The developing _______ gets its nutrients from the endosperm.

Answer 10

Embryo

Question 11

The young _______ gets its nutrients from the cotyledons.

Answer 11

Seedling

Question 12

What is the seed coat?

Answer 12

Outer layer of the seed

Question 13

What is the radicle?

Answer 13

Growth out of cotyledon that will become the root

Question 14

What is the epicotyl?

Answer 14

Embryo above where cotyledons attach

Question 15

What is the hypocotyl?

Answer 15

Below where the cotyledons attach

Question 16

What is the scutellum?

Answer 16

Another name for a cotyledon in a monocot

Question 17

What is a coleoptile? What is the coleorhiza?

Answer 17

Coleoptile- upper cotyledon

Coleorhiza- lower cotyledon

Question 18

What erupts first from a new seedling?

Answer 18

Radicle

Question 19

What percentage of water makes up a dormant seed?

Answer 19

5-15%

Question 20

What is the role of gibberellic acid?

Answer 20

Break seed out of dormancy

Question 21

What is the role of abscisic acid?

Answer 21

Promote seed dormancy

Question 22

What is the role of the seed coat when dormant? 2

Answer 22

1. Prevents the seed from drying out

2. Protects the seedling inside

Question 23

What is imbibition?

Answer 23

Uptake of water

Question 24

What triggers a seed to start growing?

Answer 24

Enzymes in the endosperm turn on metabolism

Question 25

What does a plant need to grow? 4

Answer 25

1. Sunlight 2. CO2 3. Water 4. Minerals

Question 26

What are some environmental cues that can make a seed germinate? 4

Answer 26

1. Natural fires 2. Temperature 3. Light 4. Chemicals

Question 27

What is stratification?

Answer 27

Cold stress cause seeds to come out of dormancy

Question 28

What is scarification?

Answer 28

Roughing up seed coats

Question 29

What are foliage leaves?

Answer 29

True leaves

Question 30

What are cotyledon leaves?

Answer 30

Seed leaves from embryo

Question 31

What is the coleoptile?

Answer 31

Upper cotyledon that serves as a protective sleeve