Practice question

MCQ

Question

According to NCERT, which is the major cause of species extinctions in the last 500 years?

Choose one · Correct answer highlighted

Habitat loss and fragmentation Correct Natural disasters Plate tectonic movements Changes in solar radiation

Habitat loss and fragmentation is the most important cause of biodiversity loss and has caused most species extinctions during the last 500 years.

Share this question

Discussion

0 comments

Please log in to join the discussion.

No comments yet. Be the first to start the discussion.

Guides and insights connected to this topic

Genetic 25 Sep 2026

Learn what a missense mutation is, its causes, how it alters proteins, and its role in diseases such as sickle cell anemia and ALS.

Genetic 25 Sep 2026

Discusses Y chromosome structure, its evolutionary degeneration, and health impacts of loss of Y (LOY) in men.

Class IX Science 14 Sep 2026

Explore class 9 biology notes on asexual and sexual reproduction, vegetative propagation, and contraception, with examples and key concepts.