state gov Kerala PSC Degree (Common Preliminary Examination) Mock Test Series 2025 General Knowledge Ecology and Environment Environment Problems
For the measurement/estimation of which of the following are satellite images/remote sensing data used?
1. Chlorophyll content in the vegetation of a specific location
2. Greenhouse gas emissions from rice paddies of a specific location
3. Land surface temperatures of a specific location
Select the correct answer using the code given below.
1
1 only
2
2 and 3 only
3
3 only
4
1, 2 and 3