431.
Cheese is prepared from
A
Lactobacillus
B
Streptococcus
C
Leuconostoc
D
Streptococcus and Lactobacillus
Answer :
Streptococcus and Lactobacillus
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432.
Gymnosperms are characterized by
A
Shape of stem
B
Nature of leave
C
Naked ovules
D
All of the above
Answer :
Naked ovules
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433.
According to Eichler cryptogamia includes
A
Gymnosperm and Angiosperm
B
Thallophyta and Gymnosperm
C
Thallophyta, Gryophyta and Pteridophyta
D
Only Angiosperm
Answer :
Thallophyta, Gryophyta and Pteridophyta
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434.
Practical significance of taxonomy is
A
Classification
B
To understand diversity
C
To understand evolution
D
Identification of organism
Answer :
Identification of organism
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435.
Which one of the following is a living fossil
A
Spirogyra
B
Cycas
C
Moss
D
Saccharomyces
Answer :
Cycas
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436.
The terms Magnoliatae, Magnoliaphyta and Liliatae are respectively proposed for
A
Angiosperm, dicots and monocots
B
Dicots, monocots and Angiosperms
C
Dicots, Angiosperms and monocots
D
Angiosperms, gymnosperms and ferns
Answer :
Dicots, Angiosperms and monocots
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437.
Who proposed the new name for dicots and monocotson the basis of phyllatoxy
A
Linneaus
B
Oswald Tippo
C
Edward Bessey
D
Theopharastus
Answer :
Edward Bessey
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438.
In 1928, a scientist discovered the first effective antibiotic. Scientist and antibiotics are
A
Fleming - streptomycin
B
Fleming - pencillin
C
Waksman - pencillin
D
Waksman - streptomycin
Answer :
Fleming - pencillin
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439.
Maintenance of internal favourable conditions despite changes in external environment is
A
Enthalpy
B
Homoestasis
C
Entropy
D
Steady state
Answer :
Homoestasis
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440.
Glucose concentration of blood for normal body function is
A
0.9 gm/100 ml
B
200 gm/100 ml
C
100 mg/100ml
D
500 mg/100 ml
Answer :
100 mg/100ml
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