1) Pitch of the dog sound is greater than the pitch of the cat sound.
False, because pitch is the ear response to a sound.
2) Ultraviolet light is visible but infrared light is not visible.
False, both are invisible
3) Earthquakes are the lamps illuminating the structure of the earth’s exterior.
False
4) Electricity does not move through the wire but through a field around the wire.
False, it moves through the wire and creates a field around the wire.
5) A guava contains more vitamin C than an orange. True
6) Sound travels faster in iron than in air.
True, the molecules of a metal are closely packed, hence the density is higher
7) Wheat Bridge is the name of an electrical circuit.
False, the correct name for it is wheatstone bridge
8) Morphine can cause constipation and lowering of blood pressure. True
9) A concave lens is used for the correction of the Hyperphobia.
False,(since no lens is used so far to cure a mental disease.)
10) The nucleic acids are responsible for proteins synthesis in the human body. True