How many microbes are present in one drop of water? Share with your friends Share 0 Durgesh Pratap Singh answered this 10000000 0 View Full Answer Fatima Sirat answered this Dear friend here's your answer. Regards. 0 Saleha Khatun answered this Infinite 1 Sanjana answered this Infinite 1 Abijasree Bijukumar answered this Dear student, Please find the answer given below for the query you have asked. In a drop of seawater one can find 10 million of viruses, 1million of bacteria and about 1,000 protozoans and algae. Hope you are clear with this answer. Regards 2