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Home  arrow Chapter 2  arrow Practice Test

Practice Test


This activity contains 41 questions.

Question 1
1
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___________ is the natural grouping of plants that have common characteristics in appearance, adaptation and breeding behavior, i.e. can freely interbreed with each other.
 
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Question 2
2
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____________ is a group of plants which have originated in cultivation, are unique and similar in appearance and whose essential characteristics are maintained during propagation.
 
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Question 3
3
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The single cell that resulted from a male and female sex cell and and which is the beginning of the life cycle of any organism is the___________ .
 
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Question 4
4
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Structures within the nucleus of a cell that contain the genes are the____________ .
 
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Question 5
5
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_______ are the hereditary units of inheritance now known to be composed specific arrangements of nucleotides to make up a genetic code.
 
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Question 6
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______ is deoxyribonucleic acid, the kind of biochemical compound that makes up the gene.
 
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Question 7
7
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The special kind of cell division that results in vegetative propagation is called _________.
 
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Question 8
8
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________ is the special kind of cell division that results in sex cells which are utilized in sexual reproduction.
 
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Question 9
9
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The overall appearance, performance and adaptation of a particular plant is the_________.
 
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Question 10
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__________ is the total combination of genes - nuclear, cytoplasmic and mitochrondial.
 
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Question 11
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A group of plants propagated from seed originating from the same parental source is the ______________.
 
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Question 12
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Gene pairs predominately the same on homologous chromosomes are ___________.
 
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Question 13
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Gene pairs predominately different on homologous chromosomes are _____________.
 
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Question 14
14
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The process of genetically stabilizing the genotype so that the cultivar will breed true from seed is called ___________.
 
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Question 15
15
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A group of plants originating from a single source plant by vegetative propagation is called the ______________.
 
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Question 16
16
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_____________ is the initiation of new shoot and/root growing points from tissues produced after the original nodes or lateral buds had been laid down.
 
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Question 17
17
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A __________ is a component of the DNA molecule whose structure includes one of the four bases identified as thymine (T), guanine (G), adenine (A), or cytosine (C). These combine with a complementary base on the homologous chromosomes to produce either GC or AT base pairs.
 
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Question 18
18
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Combinations of base pairs which code for different amino acids, whose combination in turn creates different proteins is a _______________.
 
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Question 19
19
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Laboratory techniques used to carry out genetic and propagation research and development studies and includes tissue and organ culture, DNA markers and recombinant DNA is called _____________.
 
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Question 20
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Specific combinations of base pairs (bp) that are used to identify genes and genotypes in the laboratory are _______________.
 
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Question 21
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_____________ are naturally occurring enzymes that have the capacity to cleave chromosomes in specific locations to produce fragments.
 
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Question 22
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A laboratory procedure which causes DNA fragments to replicate in high numbers to produce large amounts of a specific DNA clone is a ______________.
 
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Question 23
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The laboratory combination of a DNA fragment representing a particular gene with another DNA fragment to be inserted into the genome of another organism is __________________.
 
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Question 24
24
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____________________ are procedures by which gene sequences are turned off within the chromosome.
 
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Question 25
25
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Plant hormones that are naturally occurring organic chemicals and have specific actions to regulate growth and development are ______________.
 
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Question 26
26
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______________ are any natural and synthetic chemicals that shows hormonal effects in plants.
 
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Question 27
27
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A plant growth hormone that has important uses in adventitious root initiation and in controlling micropropagation is__________.
 
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Question 28
28
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A plant growth hormone that stimulates cell division and initiates shoot sequences in tissue cultures is __________.