Thurioside is

The chemical present in Temik is

Consider the following four statements $(A – D)$ related to organic farming and select the correct option stating which ones are true $(T)$ and which ones are false $(F)$. The statements :

$(A)$ Produces food crops rich in lipids, vitamins and iron
$(B)$ Uses biofertilisers which increases soil fertility
$(C)$ There is more use of chemical fertilisers and pesticides
$(D)$ Raising unpolluted crops through the use of bacteria, fungi and cyanobacteria

Which insect was used to check the spread of cacti

Biological magnification refers to