HSC 2027 BIOLOGY CHAPTER 14 ECOSYSTEMS & ENERGYFLOW
MOST EXPECTED QUESTIONS
1. GIVE 3 EXAMPLES OF EACH : SERAL STAGES , XERARCH , HYDARCH
2. WRITE THE VARIOUS STAGES OF HYDARCH SUCCESSION IN PLANTS
3. DESCRIBE PYRAMID OF ENERGY WITH NEAT DIAGRAM
4. EXPLAIN LEACHING , HUMIFICATION AND MINERALIZATION
5. GIVE EXAMPLES OF PRIMARY & SECONDARY PRODUCERS & CONSUMERS
6. DEFINE GROSS PRIMARY AND NET PRIMARY PRODUCTIVITY
7. EXPLAIN DECOMPOSITION CYCLE WITH NEAT DIAGRAM
8. EXPLAIN ANY 4 STEPS OF DECOMPOSITION
9. NAME THE ORGANISMS AND THEIR ROLE IN CONVERSION OF ROCK TO SOIL
10. WHAT ARE CRUSTOSE LICHENS . DEFINE ECOLOGICAL SUCCESSION
11. WHAT IS PIONEER SPECIES . WHAT IS HUMUS
12. WHY ENERGY PYRAMID IS ALWAYS UPRIGHT GIVE REASON
13. WHAT IS PHYTOPLANKTON . WHAT IS DECOMPOSITION
14. EXPLAIN CARBON CYCLE . WHAT IS DETRITUS FOOD CHAIN
15. WHAT IS LINDEMANS 10% LAW . WHAT IS CLIMAX COMMUNITY
16. WHAT ARE SAPROTROPHS. GIVE 1 EXAMPLE OF PRIMARY SUCCESSION