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Practice Test


This activity contains 27 questions.

Question 1
1
Open Hint for Question 1 in a new window		 A breeding system in which the plant flower is pollinated by itself because of flower structure or isolation is called _____________.
 
End of Question 1


Question 2
2
Open Hint for Question 2 in a new window		 A breeding system in which the plant is pollinated by pollen from a separate genotype either because of flower structure or artifical control during pollination is called _______________.
 
End of Question 2


Question 3
3
Open Hint for Question 3 in a new window		 A breeding system in which the embryo is apomictic, i.e., produced from a vegetative cell and not as a result of reduction division and fertilization is ____________.
 
End of Question 3


Question 4
4
Open Hint for Question 4 in a new window		 Primitive varieties that were developed and maintained before the modern era of genetics were called ___________.
 
End of Question 4


Question 5
5
Open Hint for Question 5 in a new window		 A set of rules developed by plant scientists to classify and name plants in cultivation is called __________________.
 
End of Question 5


Question 6
6
Open Hint for Question 6 in a new window		 A term used to designate a population of seedling plants whose genotype is maintained to a specific standard in consecutive generations is ___________.
 
End of Question 6


Question 7
7
Open Hint for Question 7 in a new window		 A seedling population which is produced by cross-pollinating two or more parental lines is the __________.
 
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Question 8
8
Open Hint for Question 8 in a new window		 Cultivars which have been developed by use of recombinant DNA or by some form of genetic engineering are called ______________.
 
End of Question 8


Question 9
9
Open Hint for Question 9 in a new window		 An infection by altered crown gall bacteria which introduces recombinant DNA to be inserted into the genome of the target plant is called _____________.
 
End of Question 9


Question 10
10
Open Hint for Question 10 in a new window		 A procedure in which DNA-coated metal fragments are introduced into cells at high velocity in which some enter the genome is called __________.
 
End of Question 10


Question 11
11
Open Hint for Question 11 in a new window		 A forestry term used to indicate the climatic and geographical locality where the seed originated is ___________.
 
End of Question 11


Question 12
12
Open Hint for Question 12 in a new window		 A genetically distinct group of plants within a species that is adapted to a specific ecological location is a(n) ___________.
 
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Question 13
13
Open Hint for Question 13 in a new window		 A continuous genetic variation from one area to another in ecological adaptation is a ________.
 
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Question 14
14
Open Hint for Question 14 in a new window		 An individual tree with outstanding phenotypic characteristics to be used as a seed source is a(n) ______________.
 
End of Question 14


Question 15
15
Open Hint for Question 15 in a new window		 When a cultivar is selected for outstanding seedling progeny characteristics and the parental source is maintained as a clone is the ______________.
 
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Question 16
16
Open Hint for Question 16 in a new window		 Consecutive groups of progeny trees related by origin and showing superior characteristics are called _______________.
 
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Question 17
17
Open Hint for Question 17 in a new window		 The act of removing off-type plants, weeds, plants of other cultivars in seed production fields is called __________.
 
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Question 18
18
Open Hint for Question 18 in a new window		 A change in the frequency of specific genes as a result of environmental or other types of selection is called ____________.
 
End of Question 18


Question 19
19
Open Hint for Question 19 in a new window		 An interbreeding group of phenotypically similar plants of the same kind growing in a given site is a _____________.
 
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Question 20
20
Open Hint for Question 20 in a new window		 The selection of a seed source based upon the appearance of the source tree is _____________.
 
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Question 21
21
Open Hint for Question 21 in a new window		 The selection of a seed source based upon the phenotypic appearance of the seedling progeny is _____________.
 
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Question 22
22
Open Hint for Question 22 in a new window		 A controlled seed production system of consecutive generations with decreasing standards to maintain genetic purity leading to commercial distribution is called the _______________.
 
End of Question 22


Question 23
23
Open Hint for Question 23 in a new window		 A naturally occurring area (forest plants) designated by elevation, latitude, and longitude that identify a specific seed is called the ______________.
 
End of Question 23


Question 24
24
Open Hint for Question 24 in a new window		 A _____________ is a planting used in forestry or in fruit tree nurseries to maintain seed sources either as seedling populations of selected seed families or of a clone (fruit and nut trees) or collections of clones (forestry).
 
End of Question 24


Question 25
25
Open Hint for Question 25 in a new window		 A ___________ is a system of selection where specific progeny trees can be recognized in commercial production due to phenotype.
 
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Question 26
26
Open Hint for Question 26 in a new window		 A system of seed production utilizing pedigreed stock principles that provides for legally enforceable standards of quality and genetic purity is called ______________.
 
End of Question 26


Question 27
27
Open Hint for Question 27 in a new window		 An area of source plants specifically utilized for seed collections is called the _______________.
 
End of Question 27







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