SSC IB ACIO Grade II Mock Test 2023 General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Which of the following factors are needed for the growth of corals?
1. Freshwater
2. Clear shallow salt water
3. Plenty of sunlight for photosynthesis
4. Warm water between 23°C and 25°C
Select the correct answer using the code given below.
1
1, 3 and 4 only
2
2, 3 and 4 only
3
1 and 2 only
4
1, 2, 3 and 4