NEET Biology Organisms and population Question Bank Assertion and Reason

  • question_answer
    Read the assertion and reason carefully to mark the correct option out of the options given below:         
    Assertion            :  Old age is not an illness. It is a continuation of life with decreasing capacity for adaptation.
    Reason              :  Cessation of mitosis is normal genetically programmed event.        [AIIMS 2003

    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

    Correct Answer: C

    Solution :

    Old age is not illness. It includes progressive deterioration of the structure and functions of cells, tissue, organs and organs systems. With increasing age, the efficiency of heat decreases and consequently, the blood going the brain and kidney  is reduced to 80% and 42% respectively. Arthritis, weak eyesight, less secretion of digestive juices etc. are some degenerative diseases. Cessation of mitosis is not a genetically programmed event.


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