Seed dormancy

Question 1

Type of exogenous dormancy that results from inhibiting compounds on the outer seed coat

Answer 1

Chemical dormancy

Question 2

Type of physiological dormancy that requires more than 60 days of chilling to overcome

Answer 2

Deep physiological dormancy

Question 3

Splitting

Answer 3

Dehiscent

Question 4

Term for seeds that are viable but fail to germinate even when exposed to favorable environmental conditions

Answer 4

Dormant

Question 5

Combination of more than one type of dormancy, typically an exogenous type and an endogenous type

Answer 5

Double dormancy

Question 6

Dormancy that results from factors inside the seed

Answer 6

Endogenous dormancy

Question 7

Kind of dormancy in which different periods of stratification are required for different portions of the seedling to germinate

Answer 7

Epicotyl dormancy

Question 8

Kind of dormancy that comes from the structure or composition of the non-living, external seed coverings

Answer 8

Exogenous dormancy

Question 9

Non-splitting

Answer 9

Indehiscent

Question 10

Type of physiological dormancy that requires around 60 days of chilling to overcome

Answer 10

Intermediate physiological dormancy

Question 11

Method of soaking and rinsing seeds repeatedly to remove chemical dormancy

Answer 11

Leaching

Question 12

Type of exogenous dormancy that results from a hard, but potentially permeable, seed coat that prevents embryo expansion

Answer 12

Mechanical dormancy

Question 13

Term for seeds that desiccate on the parent plant without losing viability and relatively long-lived in storage

Answer 13

Orthodox

Question 14

Type of exogenous dormancy that results from a hard, impermeable seed coat

Answer 14

Physical dormancy

Question 15

Term used for seeds that are physiologically capable of germination, but fail to germinate because of unfavorable environmental conditions

Answer 15

Quiescent

Question 16

Term for seeds that do not desiccate (dry) on the parent plant during maturation, lose their viability when dried to less than 30-50% their original moisture, and are relatively short-lived in storage

Answer 16

Recalcitrant

Question 17

Cutting, softening, or otherwise compromising the seed coat to overcome physical or mechanical dormancy

Answer 17

Scarification

Question 18

Type of physiological dormancy that prevents vivipary

Answer 18

Shallow physiological dormancy

Question 19

Exposing seeds to a particular temperature for a period of time to overcome physiological dormancy

Answer 19

Stratification

Question 20

Another word for the seed coat

Answer 20

Testa

Question 21

Kind of seed found in dry, indehiscent fruits

Answer 21

Type I Seed

Question 22

Kind of seed found in dry, dehiscent fruits

Answer 22

Type II Seed

Question 23

Kind of seed found in fleshy fruits

Answer 23

Type III Seed

Question 24

Germination of seed while still attached to parent plant

Answer 24

Vivipary