First Atomic theory was proposed by?
First Atomic theory was proposed by?
A. John Dalton
B. E.Rutherford
C. De Broglie
D. D.I.Mendeleef
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A canyon is a large form of ________?
A canyon is a large form of ________?
A. Dry valley
B. Gorge
C. Pediment
D. BadiandIntensity of gravitational field of earth is maximum at?
Intensity of gravitational field of earth is maximum at?A. Poles
B. Equator
C. Center of earth
D. SurfaceWhich is least Conductor of Electricity among the following?
Which is least Conductor of Electricity among the following?
A. Wood
B. Copper
C. Iron
D. WaterIn order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________?
In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________?
A. Electroplating
B. Annealing
C. Galvanization
D. Vulcanization“Ornithology” is the study of_____________?
“Ornithology” is the study of_____________?A. Birds
B. Insects
C. Sea Plants
D. Sea AnimalsThe muscles, tissues and blood all are made up of____________?
The muscles, tissues and blood all are made up of____________?A. Carbohydrate
B. Proteins
C. Vitamins
D. Fats