What does antibiotic mean?

What is Bio-gas? Write any four uses.</h2></div>

Name the enzyme which is used as ' clot bluster' to remove blood clots within blood vessels.</h2></div>

Describe the role of micro-organisms in industrial production.</h2></div>

A peculiar odour that occurs in marshy areas and cowsheds is due to gas produced by.</h2></div>

Primary sludge is used for</h2></div>

Green manuring enhances crop yield by<br> </h2></div>

A farmer adds Azotobacter culture to soil before sowing maize. Which mineral element will be replenished by doing so?&lt…