Agronomy Exam-Questions and Correct Answers (Expert verified) / Latest
Update 2024/2025/100% Pass
The Function of the epicotyl is to?
a. absorb nutrients for the cotyledons
b. produce the cotyledons
c. develop the above ground portion of the plant
d. push the coleoptile to the soil surface
e. elongate during epigeal emergence - ✔✔c. develop the above ground portion of the plant
The following crop has epigeal emergence?
a. wheat
b. corn
c. barley
d. orchard grass
e. alfalfa - ✔✔e. alfalfa
The flower parts making up the calyx are the?
a. petals
b. sepals
c. standards
d. corolla tubes
e. keels - ✔✔b. sepals
The following statement about a legume seedling is true?
a. the radicle develops into the fibrous root system
b. the seminal roots develop into the fibrous root system
c. the coronal roots develop into the primary root system
d. the radicle and seminal roots make up the secondary root system
e. the radicle develops into the taproot - ✔✔e
, A legume leaf?
a. has parallel venation
b. has a sheath
c. is compound
d. has a ligule
e. is simple - ✔✔c
During the emergence of a corn seedling?
a. the epicotyl pushes the coleoptile upward
b. the hypocotyl elongates, pushing the coleoptile upward
c. the coleoptile elongates, pushing the hypocotyl upward, until it breaks the soil surface
d. the mesocotyl is pushed upward by the coleoptile
e. the mesocotyl elongates, pushing the coleoptile upward - ✔✔e
the outermost layer of a grass seed is the?
a. aleurone
b. testa
c. endosperm
d. cuticle
e. pericarp - ✔✔e
the primary root system of corn functions effectively for?
a. 3-4 weeks
b. 8-10 weeks
c. the entire life
d. the period from emergence to flowering
e. 1 week - ✔✔a
Update 2024/2025/100% Pass
The Function of the epicotyl is to?
a. absorb nutrients for the cotyledons
b. produce the cotyledons
c. develop the above ground portion of the plant
d. push the coleoptile to the soil surface
e. elongate during epigeal emergence - ✔✔c. develop the above ground portion of the plant
The following crop has epigeal emergence?
a. wheat
b. corn
c. barley
d. orchard grass
e. alfalfa - ✔✔e. alfalfa
The flower parts making up the calyx are the?
a. petals
b. sepals
c. standards
d. corolla tubes
e. keels - ✔✔b. sepals
The following statement about a legume seedling is true?
a. the radicle develops into the fibrous root system
b. the seminal roots develop into the fibrous root system
c. the coronal roots develop into the primary root system
d. the radicle and seminal roots make up the secondary root system
e. the radicle develops into the taproot - ✔✔e
, A legume leaf?
a. has parallel venation
b. has a sheath
c. is compound
d. has a ligule
e. is simple - ✔✔c
During the emergence of a corn seedling?
a. the epicotyl pushes the coleoptile upward
b. the hypocotyl elongates, pushing the coleoptile upward
c. the coleoptile elongates, pushing the hypocotyl upward, until it breaks the soil surface
d. the mesocotyl is pushed upward by the coleoptile
e. the mesocotyl elongates, pushing the coleoptile upward - ✔✔e
the outermost layer of a grass seed is the?
a. aleurone
b. testa
c. endosperm
d. cuticle
e. pericarp - ✔✔e
the primary root system of corn functions effectively for?
a. 3-4 weeks
b. 8-10 weeks
c. the entire life
d. the period from emergence to flowering
e. 1 week - ✔✔a
