3881. Which is the first multipurpose river valley project of independent India?
Damodar Valley Corporation
3882. Food is converted into energy in which of the cellular organelles of cell?
Mitochondria
3883. By whom was oral polio vaccine discovered?
Jonas Salk
3884. In which type of rocks are metals like gold and copper mostly found?
Old Igneous
3885. Who Gandhian follower was a teacher by profession?
J. B. Kriplani
3886. A Money Bill passed by the Lok Sabha has to be passed/returned by Rajya Sabha within how many days?
14 days
3887. The process by which water diffuses through a semi-permeable membrane from a region of higher concentration of a solution to a region of lower concentration of a solution?
OSMOSIS
3888. Which forms of coal is the oldest?
Anthracite
3889. Mostly in which region do Earthquakes and volcanoes occur?
Folded and faulted region
3890. Jawaharlal Nehru Botanic Garden and Research Instituteis at ?
Palode; Kerala