211.
DNA of E. Coli A
Ds circular
B
Ss circular
C
Ds Linear
D
Ss Linear
Answer :
Ds circular
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212.
The classification of Linnaeus was mainly based on A
Sepals
B
Carplels
C
Petals
D
Stamens
Answer :
Stamens
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213.
Genetic engineering is connected with A
Development of transgenic plants
B
Development of vaccination
C
Gene therapy
D
All of the above
Answer :
All of the above
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214.
The name "Alternifolia" refers to A
Dicots
B
Monocots
C
Angiosperms
D
Gymnosperm
Answer :
Monocots
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215.
Linnaeus evolved a system of nomenclature called A
mononomial
B
vernacular
C
binomial
D
polynomial
Answer :
binomial
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A system for classification was developed by Carolus Linnaeus is known as “Binomial nomenclature”. This system provides organisms with appropriate and distinct names consisting of two words, the generic name and the specific epithert. E.g. potato is named as Solanum tuberosum. Solanum represents genus
and tuberosum species. The first name or genus begins always with a capital letter and second or species name with small letter, and both are separately underlined, when written and italicised when printed.Note : The first scientific attempt to name the organism was polynomial nomenclature which consisted of number of words that incorporate all its important characters.
216.
Which one of the following is categorised under living fossils A
Pinus
B
Cycas
C
Metasequoia
D
Both B and C
Answer :
Both B and C
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217.
Reserve food material of algae is A
Starch
B
Glycogen
C
Fat
D
Sugar
Answer :
Starch
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218.
For solving a scientific problem which is not correct A
Suaruta
B
Charaka
C
Dhanvantari
D
Atreya
Answer :
Dhanvantari
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219.
The N2 fixing bacterium associated with root nodules of legumes if known as A
Azotobacter
B
Nitrobacter
C
Lactobacillus
D
Rhizobium
Answer :
Rhizobium
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220.
Which arrangement is in correct ascending order A
Species < genus < order < family
B
Genus < species < family < order
C
Order < family < Genus < species
D
Species < genus < family < order
Answer :
Species < genus < family < order
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