Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________? Options: A. ConductionB. ConvectionC. RadiationD. Reflection View Answer C. Radiation
A body can escape the gravitational pull of the earth if it is thrown up with a velocity of? Options: A. 25 miles per secB. 60 miles per secC. 7 miles per secD. 10 miles per sec View Answer C. 7 miles per sec
Which is the largest organ in the human body? Options: A. LiverB. HeartC. SkinD. Kidney View Answer C. Skin
Dialysis is used for the treatment of__________? Options: A. Kidney failureB. Heart weaknessC. Brain diseasesD. None of these View Answer A. Kidney failure
The rear view mirror of a motor vehicle is ________? Options: A. ConcaveB. PlaneC. ConvexD. Biconcave View Answer C. Convex
Coulomb is the scientific unit to measure? Options: A. VelocityB. TemperatureC. MassD. None OF These View Answer D. None OF These
Sound waves are _________ waves. Options: A. TransverseB. ElectromagneticC. LongitudinalD. None of these View Answer C. Longitudinal
The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids. Options: A. MarsB. SaturnC. UranusD. Jupiter View Answer D. Jupiter
The good sources of Vitamin-C are________? Options: A. green leafy vegetablesB. seedsC. fresh vegetables and fruitsD. sea foods View Answer C. fresh vegetables and fruits
__________ are called the powerhouses of the cell? Options: A. MitochondriaB. VesiclesC. LungsD.Liver View Answer A. Mitochondria