[" 40.Which one is a neem product used as insect repellent? "],[" (1) Azardirachtin "(2)" Rotenone "],[" 41.High BOD indicates "],[" (1) Highly polluted water "]

Which one is a neem product used as insect replellent?

Which one is a neem product used as insect replellent?

Which one is a neem product used as insect replellent?

A neem product used as insect repellant is _______________

Read the following statements and select the correct option. Statement 1 : BOD represents the amount of dissolved oxygen that would be consumed if all the organic matter in one litre of water were oxidised by microorganisms. Statement 2 : High value of BOD indicates that water is highly polluted by organic matter.

Read the following statements and select the correct option. Statement 1 : BOD represents the amount of dissolved oxygen that would be consumed if all the organic matter in one litre of water were oxidised by microorganisms. Statement 2 : High value of BOD indicates that water is highly polluted by organic matter.