railway RRB JE (CBT I + CBT II) Mock Test 2024 General Knowledge Ecology and Environment Biodiversity
Which of the following is/are the causes of biodiversity losses?
1. Over-exploitation
2. Alien species invasions
3. Co-extinctions
4. Habitat loss and fragmentation
Select the correct answer using the code given below.
1
1, 2 and 3
2
2, 3 and 4
3
1, 3 and 4
4
All of the above