question_answer

Assertion : Histones are basic proteins of major importance in packaging of eukaryotic DNA, DNA and histones comprise chromatin forming the bulk of eukaryotic chromosome. Reason : Histones are five major types \[{{H}_{1}},{{H}_{2}}A,{{H}_{2}}B,{{H}_{3}}\] and \[{{H}_{4}}\] [AIIMS 2000]

A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion 

C) If the assertion is true but the reason is false

D) If both the assertion and reason are false

E) If the assertion is false but reason is true