231.
Vessels and companian cells are characteristic feature of A
Gymno sperm
B
Angiosperm
C
Pteridophyte
D
Bryophyta
Answer :
Angiosperm
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232.
Which one of the following pairs is not correctly matched A
Rhizobium - Biofertilizer
B
Streptomyces - Antibiotic
C
Serratia - Drug addiction
D
Spirulina - Single cell protein
Answer :
Serratia - Drug addiction
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233.
Systema naturae is written by A
Linnaeus
B
Aristotle
C
Hippocrates
D
Darwin
Answer :
Linnaeus
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234.
When a bacterial cell possesses flagellum on its anterior and posterior side, this conditions is called A
Peritrichous
B
Lophotrichous
C
Amphitrichous
D
Monotrichous
Answer :
Amphitrichous
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235.
Basic unit or smallest taxon of taxonomy/ classification is A
species
B
kingdom
C
family
D
variety
Answer :
species
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Species, the basic unit for understanding taxonomy, occupies a key position. It is defined as a dynamic genetically distinct group of organisms, which resemble each other in all respect and freely interbreed among themselves to produce fertile offsprings.
236.
Mitochondria are absent in A
Chlorophycean cell
B
Myxophycean cell
C
Fungal cell
D
Mesophyll cell
Answer :
Myxophycean cell
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237.
Club mass is common name of A
Lycopodium
B
Selaginella
C
Funaria
D
A & B both
Answer :
A & B both
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238.
Eichler divided plant kingdom in A
Two divisions
B
Four divisions
C
Five divisions
D
Ten division
Answer :
Five divisions
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239.
Bantham and Hooker classified dicots into A
Polypetalae, gameopetalae and glumiforae
B
Polypetalaem gamopetalae and monochlamydae
C
Achlamydae, diclamydeae and metachlamydae
D
Archichlamydae, sympetalae & apetalae
Answer :
Polypetalaem gamopetalae and monochlamydae
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240.
Concept of phylogeny was proposed by A
John Ray
B
Lamarck
C
Ernest Haeckel
D
Darwin
Answer :
Ernest Haeckel
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