291.
Phenetic classification is based on A
sexual characteristics
B
the ancestral lineage of existing organisms
C
observable characteristics of existing organisms
D
dendograms based on DNA characteristics
Answer :
observable characteristics of existing organisms
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Phenetic classification is based upon observable characteristics of an organism.
Phylogenetic system of classification is a system indicating the evolutionary or
phylogenetic relationship of organisms.
292.
Plant pthology is the study of A
Plant diseases
B
Control of disease
C
Symptoms of disease
D
All of the above
Answer :
All of the above
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293.
Bioluminescence is caused by A
Luciferin
B
Hormones
C
Plastic current
D
Reflection from cuticle
Answer :
Luciferin
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294.
In the classification of Angiosperms sexual characters were taken into consideration first of A
Hooker
B
Bentham
C
Linnaeus
D
Engler
Answer :
Linnaeus
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295.
Ist life on earth was A
Cyaynobacteria
B
Chemohetrotrophs
C
Autotrophs
D
Photoautotrophs
Answer :
Chemohetrotrophs
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296.
Phylogenetic relationship of plants can be established by A
Plantserum
B
Animal serum
C
Chromatography
D
Autoradiography
Answer :
Animal serum
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297.
Irrational fear of disease is A
Algophobia
B
Mysophobia
C
Pathophobi
D
Haematophobia
Answer :
Pathophobi
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298.
The year of publication of "Species plantarum A
1853
B
1857
C
1753
D
1786
Answer :
1753
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299.
In which comain Carl Woose placed fungi A
Bacteria
B
Archaea
C
Eukarea
D
Plantae
Answer :
Eukarea
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300.
Moss peat is used a packing material for sending flowers and live plants to distant places because A
It reduces transpiration
B
It serves as disinfectant
C
It is easily available
D
It is hygroscopic
Answer :
It is hygroscopic
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