6711. By whom is the Speaker of the Lok Sabha is elected?
All the members of Lok Sabha
6712. The release of which fish into ponds and wells helps in controlling the mosquitoes?
Gambusia fish
6713. Which instrument used for finding out wind-direction?
wind vane
6714. Vivekachudamani; Updeshasahasri; Atmabodha; Mohamudgara; Sivanandalahari and Saundarya lahari are the poems composed by?
Sankaracharya
6715. The refractive index of a given piece of transparent quartz is greatest for which light?
Violet light
6716. In which year British merchants exported pepper to England for the first time from Cochin ?
1626
6717. On the death of Gandhiji; who said that “The light has gone out of our lives…..”?
Jawaharlal Nehru
6718. What was the main reason for the evolution of kingship in Vedic society?
Desire to conquer new land
6719. Who is the author of “Story of My Experiments with Truth”?
Gandhiji
6720. The Vivekananda Rock Memorial is situated at which place?
Kanyakumari