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Systematics Viruses Viroids Prions - Questions and Answers

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321. Keys are required for
A. Phylogenetic classification
B. Natural classification
C. Identification of organisms
D. Both B and C
Explanation:
322. Serum tests for knowing relationships come under
A. Experimental taxonomy
B. Chemotaxonomy
C. Biochemical taxonomy
D. Cytotaxonomy
Explanation:
323. Biospecies is based on
A. Cytological traits
B. Reproductive isolation
C. Genetic isolation
D. Both B and C
Explanation:
324. Species is
A. Group of individuals occurring in a geographical area
B. Population of one type
C. Population or populations of individuals with similar genotypic and phenotypic traits
D. Population or populations of interbreeding individuals
Explanation:
325. Adansonian taxonomy brings out relationships with the help of
A. Statistics of all known traits
B. Evolutionary tendencies
C. Similarities and dissimilarities
D. All the above
Explanation:
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