Q. "Evil Quartet" is related to

 58  156 NTA AbhyasNTA Abhyas 2022 Report Error

Solution:

There are four main reason or causes of biodiversity loss which are referred as "Evil quartet". Mainly these causes are anthropogenic i.e., related to human activities. They are:
  1. Habitat loss and fragmentation
  2. Over-exploitation
  3. Alien species invasion
  4. Co-extinction.