Many secondary metabolites of plants hav | Class 12 Biology Chapter Human Health and Disease, Human Health and Disease NCERT Solutions

Current NCERT chapter

Academic session 2026-27, Chapter 7 in the current curriculum.

Welcome to the NCERT Solutions for Class 12 Biology - Chapter Human Health and Disease. This page offers a step-by-step solution to the specific question from Exercise 0, Question 11:

Many secondary metabolites of plants have medicinal properties. It is their misuse that creates problems. Justify the statement with an example.

. With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 11:

Many secondary metabolites of plants have medicinal properties. It is their misuse that creates problems. Justify the statement with an example.

Answer:

Drugs like barbiturates, amphetamines, benzodiazepines and other similar drugs that are normally used as medicines to help those patients that are suffering with mental illness such as depression and insomnia. Morphine is a very effective sedative and painkiller and is very useful in patients who have undergone surgery. It is widely used in small doses to relieve pain and induce sleep in cases of serious injury, burns and fractures etc.

Misuse of plant metabolites fruits and seeds in amounts/ frequency more than prescribed for medicinal purposes can impair one’s physical, physiological or functional behaviour creating problem for the society and slowly leads to the eternal truth, i.e. death.

Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about Human Health and Disease.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 11: Many secondary metabolites of plants have medicinal properties. It is their misuse that creates prob....

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