2. Questions Bank
  3. UPSC
  4. Ecology And Environment
  5. Biodiversity Conservation And Wild Life / जैव विविधता संरक्षण और वन्य जीवन

UPSC Ecology And Environment Biodiversity Conservation And Wild Life / जैव विविधता संरक्षण और वन्य जीवन Question Bank Biodiversity

  • question_answer
    From Origin of life to its diversification on earth, there have occurred following number of episodes of mass extinction

    A)  Two                            

    B)  Three

    C)  Four                            

    D)  Five

    Correct Answer: D

You need to login to perform this action.
You will be redirected in 3 sec spinner