Of the four major causes for the loss of | Class 12 Biology Chapter Biodiversity and Conservation, Biodiversity and Conservation NCERT Solutions

Current NCERT chapter

Academic session 2026-27, Chapter 13 in the current curriculum.

Welcome to the NCERT Solutions for Class 12 Biology - Chapter Biodiversity and Conservation. This page offers a step-by-step solution to the specific question from Exercise 0, Question 2:

Of the four major causes for the loss of biodiversity (Alien species invasion, habitat loss and fragmentation, over-exploitation and co-extinctions which according to you is the major cause for the loss of biodiversity? Give reasons in support.

. 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 2:

Of the four major causes for the loss of biodiversity (Alien species invasion, habitat loss and fragmentation, over-exploitation and co-extinctions which according to you is the major cause for the loss of biodiversity? Give reasons in support.

Answer:

Among the four major threats to biodiversity, habitat loss and fragmentation is the primary reason for the loss of biodiversity. Habitat is the place where an organism or population naturally occurs. When the natural habitat like forest where the flora and fauna lives, are destroyed then it leads to loss of biodiversity, it is known as habitat loss. And, habitat fragmentation refers to the breakage of habitat into distinct pieces. Habitat loss and fragmentation occurs through the human activities like deforestation etc. for example: Amazon forest, approximately 50- 55% of part is degraded or cleared by the human activities.

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 Biodiversity and Conservation.
  • 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 2: Of the four major causes for the loss of biodiversity (Alien species invasion, habitat loss and frag....

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