1. Explain the importance of food for living organisms? 2. Name any five food items and their ingredients?3. List out some diseases caused by deficiency of vitamins/minerals and their symptoms4. Explain the terms 1) Herbivores 2)Carnivores 3) Omnivores with examples5. Suggest an activity for testing starch, fats and proteins6. What is balanced diet? Write three important properties of balanced diet?7. What is malnutrition? What are its harmful effects?8. Explain various steps in the manufacture of cotton fabric from cotton?9. Write short note on looms?Explain with examples opaque, transparent and translucent materials?10. Write any four properties of materials?11. Why do we need to separate different components of a mixture? Give examples12. How common salt obtained from sea water?13. Write short note on various methods of separation of compounds from their mixture?14. Differentiate a) physical & chemical change with example b) reversible and irreversible change 15. Draw neat labeled diagram of structure of a flower?16. What is a function of stem in a plant/17. Write short note on herbs, shrubs , creepers and climbers 18. Draw a labeled diagram of the external structure of a leaf.19. Differentiate between taproot and fibrous roots/20. Explain different joints present in human body?21. What is a bone marrow? Give its main function?22. Explain the locomotion in the following a) snake b) cockroach c) snail d) earth warm23. List out the important characteristics of living things which differentiate them from non-living things?24. Differentiate between diurnals and nocturnal animals?​