The incorrect statement regarding the lines of force of the magnetic field `B` is

The correct statements regarding the lines of force of the magnetic field B are (1) Magnetic intensity is a measure of lines of force passing through unit area held normal to it (2) Magnetic lines of force form a closed curve (3) Due to a magnet magnetic lines of force never cut each other (4) Inside a magnet, its magnetic lines of force move from north pole of a magnet towards its south pole

The incorrect statement regarding ethylene is

The incorrect statement regarding maltose is:

The incorrect statement regarding biogas is

The incorrect statement regarding biogas is

Incorrect statement regarding AIDS is

Incorrect statement regarding AIDS is

Incorrect statement regarding Methanogens

The incorrect statement regarding cellulose is

The incorrect statement regarding cellulose is