Exam (elaborations)
AGRONOMY EXAM 2 QUESTIONS AND ANSWERS
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AGRONOMY EXAM 2 QUESTIONS AND ANSWERS
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Name: Score:118 Multiple choice questions
Term 1 of 118
Polyploid chromosomes
change in physical state- rehydration
are the 3 parts to the nucleus of a plant cell
come in more than 2 pairs
2 donors
Term 2 of 118
Oxygen
part of the sepal
is required for respiration
are the site of gas exchange for a plant
make food go through photosynthesis
Term 3 of 118
What type of crop improvement combines the desirable traits of two or more crop varieties?
genetic engineering
hybridization
selective breeding
morphology
,Term 4 of 118
What are the 4 basic parts of a plant?
sepal, pistil, stamen, ovary
flowers, leaves, pollen, fruit
stomaches, root hairs, xylem, phloem
leaves, stem, roots, flowers
Term 5 of 118
Sapwood is defined as:
change in physical state- rehydration
new, active xylem
old, inactive phloem
the female part of the flower
Term 6 of 118
Flowers contain
the sexual organs for the plant
the stalk supporting the flower
the female part of the flower
are the 3 parts to the nucleus of a plant cell
Term 7 of 118
Caryopsis is
seeds
grain of a grass
the stalk supporting the flower
where pollen is produced
,Term 8 of 118
The % of moisture that is needed for corn to start germination is
15%
25%
30%
35%
Term 9 of 118
Diploid chromosomes
come in more than 2 pairs
change in physical state- rehydration
come in more than 1 pairs
2 donors
Term 10 of 118
Roots of scientific names come from
water requirements, sunlight needs, and pest resistance
plant height, leaf color, and flowering season
plant descriptions, region and the name of the discoverer
soil composition, climate factors, and growth conditions
Term 11 of 118
Most crop species require the temperature to be between ____&____ degrees F to grow.
50&70 F
30&40 F
80&95 F
65&86 F
, Term 12 of 118
True/false
To meet basic standards to be certified organic farming the farmland must be free from
chemicals for three or more years
True
False
Term 13 of 118
Ovary and ovules
the female part of the flower
part of the pistil
are the 3 parts to the nucleus of a plant cell
traditional, non-traditional, and gmo
Term 14 of 118
Guidelines for organic farming are published by what federal entity?
organic food protection act of 1991
organic food protection act of 1990
organic food protection act of 1890
organic food protection act of 2090
Term 15 of 118
What deals with the study of internal tissues and cells of plants?
plant ecology
plant physiology
hybridization
plant anatomy
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