Which one of the following pesticide is banned now-a-days
Aldrin
Endrin
$DDT$
Toxaphene
A green manure is
What is the composition of the biogas?
Microorganisms or microbes are found in
Consider the following statements $(A-D)$ about organic farming.
$(A)$ Utilizes genetically modified crops like Bt cotton
$(B)$ Uses only naturally produced inputs like compost
$(C)$ Does not use pesticides and urea
$(D)$ Produces vegetables rich in vitamins and minerals
Which of the above statements are correct ?
$DDT $ and $2, 4-D$ were Introduced