UPSC Civil Services Model Paper 4

Magnetic Resonance Imaging (MRI):
The magnetic field inside the body forms the basis of obtaining the images of different body parts. This is done using a technique called Magnetic Resonance Imaging (MRI).
But, these fields are very weak and are about one-billionth of the earth's magnetic field.
So, statement 1 is NOT correct.
MRI is not based on tracing heat patterns.
So, statement 2 is NOT correct.