Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Basics of Environment
Which of the following statements are true about eco-system?
1) Eco-system comprises both biotic and abiotic component
2) solar radiation is the main driving force of eco-system
3) Eco-system is a closed system
4) Eco-system does not have its own productivity
1
1 and 2
2
2 and 3
3
1 and 3
4
3 and 4