Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively Their lungs are very large They use less oxygen They have extra air sacs They fly inactively Their lungs are very large They use less oxygen They have extra air sacs ANSWER DOWNLOAD EXAMIANS APP
Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will Fall into his hand Fall in front of him Fall behind him None of these Fall into his hand Fall in front of him Fall behind him None of these ANSWER DOWNLOAD EXAMIANS APP
Physics If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in Both Neither Only the glass tube Only the capillary tube Both Neither Only the glass tube Only the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on a sandy road than on a concrete road because the sand is grainy but concrete is smooth. sand is soft and concreter is hard. the friction between sand and feet is more than that between concrete and feet. the friction between sand and feet is less than that between concrete and feet. the sand is grainy but concrete is smooth. sand is soft and concreter is hard. the friction between sand and feet is more than that between concrete and feet. the friction between sand and feet is less than that between concrete and feet. ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Ultraviolet rays Infrared rays Microwaves Radio waves Ultraviolet rays Infrared rays Microwaves Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is arranged in order of decreasing conductivity? Silver, Copper, Aluminium, Steel Copper, Silver, Aluminium, Steel Copper, Aluminium, Steel, Silver Aluminium, Silver, Copper, Steel Silver, Copper, Aluminium, Steel Copper, Silver, Aluminium, Steel Copper, Aluminium, Steel, Silver Aluminium, Silver, Copper, Steel ANSWER DOWNLOAD EXAMIANS APP