141.
Which of the following is part of cytochrome
A
Mg
B
Zn
C
Fe
D
Ca
Answer :
Fe
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142.
In which one of the following is nitrogen not a constituent
A
Idioblast
B
Bacteriochlorophyll
C
Invertase
D
Pepsin
Answer :
Idioblast
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143.
Which one of the following is wrong statement?
A
Anabaena and Nostoc are capable of fixing nitrogen in free living state also
B
Root nodule forming nitrogen fixers live as aerobes under free-living conditions
C
Phosphorus is a constituent of cell membranes, certain nucleic acids and cell proteins
D
Nitrosomonas and Nitrobacter are chemoautotrophs
Answer :
Phosphorus is a constituent of cell membranes, certain nucleic acids and cell proteins
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144.
Ferula asafoetida is the source of
A
Haldi
B
Heena
C
Heroin
D
Opium
Answer :
Heena
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145.
Which of the following is symbiotic bacteria
A
Rhizobium
B
Azotobactor
C
Clotrisdium
D
Streptomyces
Answer :
Rhizobium
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146.
Essential macroelements are
A
Absorbed from soil
B
Manufactured during photosynthesis
C
Produced by enzymes
D
Produced by growth hormones
Answer :
Absorbed from soil
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147.
Which of the following is not macro-nutrient
A
C
B
P
C
S
D
Zn
Answer :
Zn
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148.
The plants that grow on saline soils with high concentration of NaCl, MgSO4 and MgCl2 are called
A
Succulents
B
Mesophytes
C
Xerophytes
D
Halophytes
Answer :
Halophytes
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149.
Which of the following drug affects mind
A
Atropine
B
Qunidine
C
Serpentine
D
Di-hyoscymine
Answer :
Serpentine
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150.
Morphine is obtained from the fruit of
A
Datura stramonium
B
Papaver somniferum
C
Rauwolfia serpentine
D
Lungs
Answer :
Papaver somniferum
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