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Class 12 Biology — Chapter 13: Biodiversity and Conservation
90 practice questions · 30 Easy · 30 Medium · 30 Hard
Free NCERT-aligned multiple-choice practice for Class 12 Biology, Chapter 13 (Biodiversity and Conservation). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 90.
Sample questions
Q1Easy
Three levels of biodiversity:
A.Genetic, species, ecosystem✓ correct
B.Cellular, molecular, atomic
C.Tissue, organ, system
D.Local, regional, global
Why
Standard hierarchy.
Q2Medium
Zoos and seed banks are:
A.Ex-situ conservation✓ correct
B.In-situ
C.Reserve forests
D.Sanctuaries
Why
Outside natural habitat.
Q3Hard
Major causes of biodiversity loss ("Evil Quartet"):
A.Habitat loss, over-exploitation, alien species, co-extinctions✓ correct
B.Only pollution
C.Only climate
D.Sound waves
Why
Edward Wilson's framework.
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