Explain the role of pheromones in alarm spreading. (UPSC 2015, 10 Marks, )

फेरोमोन के अलार्म फैलाने में भूमिका को समझाएं। (Explain the role of pheromones in alarm spreading.)

Explain the role of pheromones in alarm spreading. (UPSC 2015, 10 Marks, ) EN ह function dochangelang(val) { if (val != "") { window.location = val; } }