Choose the correct option that best substitutes the underlined phrase in the given sentence without changing the meaning of the sentence. My friend is suffering from mental disturbance after his mother’s death.

Choose the correct option that best substitutes the underlined phrase in the given sentence without changing the meaning of the sentence. My friend is suffering from mental disturbance after his mother’s death. Correct Answer Psychopathy

The correct answer is option 2 .i.e. Psychopathy.

Key Points:-

  • Let's look at the following points:-​
  • Psychopathy: mental illness or disorder.
    • For Example - Antisocial personality disorder in adults is also referred to as sociopathy or psychopathy.
  • Now, look at the meaning of the other given options:-
  • Psychology: the scientific study of the human mind and behavior.
    • For Example - He wrote both on psychology and on metaphysics, but is known especially as a historian of philosophy.
  • Gerontology: the scientific study of old age.
    • For Example - However, gerontology researchers have begun to study the best practices that are in use by various centers.
  • Dendrology: the scientific study of trees.
    • For Example - Dendrology for gardening is more suitable for students from specialties relating to gardening.
  • Thus, as per the meaning of the given phrase option 2 is correct and therefore the answer.

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