The science enthusiasts of Presidium Gurgaon recently indulged in the Biology Activity of Spotting of different specimens, slides, models and charts as prescribed by the CBSE for the students of grade 11 and 12. Students observed various biological phenomena under the headings of pollen germination, T.S. of ovary and testis, meiosis in onion root tip, T.S. of blastula, Entamoeba histolytica, Mendelian ratio, pedigree chart, Xerophytic plants and animals, Aquatic plants and animals. It was a great learning experience for the Presidians.