Many bacteria in our digestive system synthesize vitamins for example vitamin_________?
Many bacteria in our digestive system synthesize vitamins for example vitamin_________?
A. B1
B. B2
C. B12
D. B6
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Which of the following excretory structure is associated with gut of the organism?
Which of the following excretory structure is associated with gut of the organism?
A. Protonephridium
B. Metanephridium
C. Malpighian tubules
D. NephronsDiatomaceous earth is used for making __________?
Diatomaceous earth is used for making __________?
A. Fertilizers
B. Weedicides
C. Insecticides
D. Fire proof bricksIn all plants the major sites of phosynthesis are___________?
In all plants the major sites of phosynthesis are___________?
A. Leaves respire and utilize O2 and release CO2.
B. Stems
C. Roots
D. BranchesWhich one the following fatty acid is more soluble in an organic solvent and has higher melting point____________?
Which one the following fatty acid is more soluble in an organic solvent and has higher melting point____________?
A. Acetic acid
B. Butyric acid
C. Palmitic acid
D. All have sameDuring anaerobic respiration the final electron acceptor in electron transport chain is:
During anaerobic respiration the final electron acceptor in electron transport chain is:A. Molecular oxygen
B. NADP+
C. water
D. SulfateNon-enveloped naked viruses are known as___________?
Non-enveloped naked viruses are known as___________?A. prions
B. bacteriophages
C. oncoviruses
D. virions