826 : Which gland secretes saliva in the mouth?
Ans : Salivary gland
827 : Who is the inventor of Telephone?
Ans : Graham Bell
828 : The scientific name of Potato is?
Ans : Solanum Tuberosum
829 : Bacteria were first observed by ?
Ans : Anton Von Leeuwenhoek in 1676.
830 : Who is the inventor of Crystal Dynamics?
Ans : C.V.Raman
831 : Who is the inventor of Homoeopathy?
Ans : Hahnemann
832 : Who is the inventor of Inert Gases (Argon; Neon; Helium etc)?
Ans : Ramsay
833 : Pollination by birds is called?
Ans : Ornithophily
834 : Father of Blood Circulation?
Ans : WilliamHarvey
835 : Who is the inventor of Cement?
Ans : Joseph Aspdin
836 : Pisciculture is?
Ans : The art of rearing fishes.
837 : Who is the inventor of Avogradra’s Hypothesis?
Ans : Avogadro
838 : The largest artery which carries oxygenated blood?
Ans : Aorta
839 : Name the scientist who was awarded Nobel Prize in Physiology/ Medicine in 1905 for antiseptic surgery by using Carbolic Acid (Phenol) ?
Ans : Joseph Lister
840 : Name the scientist who received Nobel Prize for medicine in 1902 for his discovery of Malarial parasite?
Ans : Ronald Ross