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NEETBotanyBiodiversity and its Conservation

(Episode of Mass Extinction Characteristic A. First five mass extinctions 1. Caused by natural events and occurred over millions of years B. Sixth extinction (current) 2. Occurring at an accelerated rate due to human activities C. Current human impact 3. Lower extinction rates compared to the present D. Pre-human times 4. Responsible for the rapid decline in species numbers

Options

  1. AA - 1, B - 2, C - 4, D - 3
  2. BA - 2, B - 1, C - 4, D - 3
  3. CA - 3, B - 4, C - 1, D - 2
  4. DA - 4, B - 3, C - 2, D - 1

Correct answer

A. A - 1, B - 2, C - 4, D - 3

Step-by-step solution

A - 1: The first five mass extinctions were caused by natural events and occurred over millions of years. B - 2: The current sixth extinction is happening at an accelerated rate due to human activities, such as habitat destruction, pollution, and over-exploitation. C - 4: The current human impact is responsible for the rapid decline in species numbers, contributing to the accelerated rates of extinction. D - 3: In pre-human times, extinction rates were much lower than they are today.

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