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8.Microbes in Human Welfare
medium
The chemicals which are “pro-life” with reference to human beings
A
Are regarded as one of the most significant discovery of twenty first century
B
Have rarely contributed to human welfare
C
Are produced by some plants and all animals
D
Can kill or retard the growth of disease-causing microbes
Solution
Pro-life chemicals are antibiotic which can kill or retard the growth of disease-causing microbes.
Standard 12
Biology