Nervous System Disorders · NCERT Biology

Which of the following describes the nature of both Alzheimer’s and Parkinson’s disease?

  1. Acute and reversible
  2. Infectious and contagious
  3. Chronic and progressive
  4. Congenital and non-progressive
Show answer and explanation

Correct answer: Chronic and progressive

These are chronic, progressive neurodegenerative diseases. This means they persist over a long period and the symptoms worsen over time as more neurons die.

Difficulty: Medium Question 15 of 20

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