Which one of the following pairs is correctly matched.</h2></div>

Which of the following is used as a green manure?</h2></div>

Which of the following may be a reason for the development of resistance to antibiotics?

(a) How do organic farmers control pests? Give two examples.<br> <span>(b) State the difference in their app…

Which of the following statements is not true regarding BOD?

Microbe used for biocontrol of pest butterfly caterpillars is?</h2></div>

Who developed the treatment technique for industrial and sewage waste water?</h2></div>

Which one is not used in the production of Yoghurt?</h2></div>