Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Biodiversity and Conservation

Question:
Which of the following is a cause for loss of Biodiversity?
Options:
Keeping animals in a zoological parks.
Keeping them in a Wildlife safari .
Cryopreservation.
Invasion by alien species.
Correct Answer:
Invasion by alien species.
Explanation:
When alien species are introduced unintentionally or deliberately for whatever purpose, some of them turn invasive, and cause decline or extinction of indigenous species .e.g. Nile perch(Parthenium), Lantana and water hyacinth (Eicchornia).