Question

Assertion : Radiography CT and MRI are very useful to detect cancers of internal organs
Reason : They all use non-ionising radiations.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Answer 1

Correct Answer - C
Radiography CT and MRI are very useful to detect cancers of internal organs.
Techniques like radiography (use of X-rays ) CT (computed tomography) and MRI (magnetic reasonance imaging ) are very useful to detect cancer of the internal organs Computed tomography uses X-rays to generate a three-dimensional image of the internals of an object.