8 10. additives and addictives

8 8. movement in plant

7-1. biotic & abiotic

7 5. Ecosystem

7-2. the characteristics of living organism

8 3. digestive system

8-2. Movement in humans

8 6. Structure and function of plant organs

7 6. biodiversity and conservation

8-1.Growth and development

7 7. human population and its impacts

7 3. classification of Living Organism

9 1. Human Excretion System

8 7. photosynthesis