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a semi-synthetic drug
obtained from a bacterium
obtained from a plant extract
a synthetic drug
The antibiotic penicillin is obtained from which of the following
The area of the human tongue sensitive to bitterness is restricted to:
The artificial kidney operates on the principle of
The average heart beat rate per minute in a normal person is
The average internal temperature of human body is __ .
The average life span of red blood corpuscles is about
The basic structural & functional unit of living organisms is
The best conductor of heat among the following is
The big amount of sugar present in human blood is
The biofertilizer used or the paddy crops is