SSC CSIR ASO/SO Mock Test 2023 General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Which of the following are examples of Chemotrophs?
1. Nitrobacter
2. Nitrosomonas
3. Sulphur bacteria
4. Methanogens
Select the correct answer using the code given below.
1
1, 2 and 3 only
2
2, 3 and 4 only
3
1 and 4 only
4
1, 2, 3 and 4