Q1. What is the process by which plants prepare their own food?
Q2. What is the role of chlorophyll in photosynthesis?
Q3. What is the main product of photosynthesis?
Q4. What is the source of oxygen released during photosynthesis?
Q5. What is the term for the opening and closing of stomata?
Q6. Which gas is essential for photosynthesis?
Q7. What is the primary function of leaves in plants?
Q8. What is the function of guard cells in stomata?
Q9. What are the end products of photosynthesis?
Q10. Which part of the plant is mainly responsible for water absorption?
Q11. What is the primary role of roots in plants?
Q12. What is the main function of xylem in plants?
Q13. What is the main function of phloem in plants?
Q14. What is the term for the process of water loss from leaves?
Q15. Which plant hormone promotes cell elongation?
Q16. What is the term for plant movement in response to light?
Q17. Which process involves the exchange of gases in plants?
Q18. What is the site of respiration in cells?
Q19. What is the primary waste product of respiration?
Q20. What is the main site of photosynthesis in plants?
Q21. What is the main function of mitochondria in cells?
Q22. Which part of the cell is responsible for controlling cell activities?
Q23. What is the primary function of ribosomes in cells?
Q24. What is the function of the cell wall in plant cells?
Q25. What is the fluid-filled structure that stores nutrients and waste products in cells?
Q26. Which process converts glucose into energy in cells?
Q27. What is the main pigment involved in photosynthesis?
Q28. What is the term for the maintenance of stable internal conditions in an organism?
Q29. Which structure in the plant cell is responsible for photosynthesis?
Q30. What is the term for the movement of water through a plant?
Q31. Why is diffusion insufficient to meet the oxygen requirements of multi-cellular organisms like humans?
Q32. What criteria do we use to decide whether something is alive?
Q33. What are outside raw materials used for by an organism?
Q34. What processes would you consider essential for maintaining life?
Q35. What are the differences between autotrophic nutrition and heterotrophic nutrition?
Q36. Where do plants get each of the raw materials required for photosynthesis?
Q37. What is the role of the acid in our stomach?
Q38. What is the function of digestive enzymes?
Q39. How is the small intestine designed to absorb digested food?
Q40. What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
Q41. What are the different ways in which glucose is oxidised to provide energy in various organisms?
Q42. How is oxygen and carbon dioxide transported in human beings?
Q43. How are the lungs designed in human beings to maximise the area for exchange of gases?
Q44. What are the components of the transport system in human beings? What are the functions of these components?
Q45. Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?
Q46. What are the components of the transport system in highly organised plants?
Q47. How are water and minerals transported in plants?
Q48. How is food transported in plants?
Q49. Describe the structure and functioning of nephrons.
Q50. What are the methods used by plants to get rid of excretory products?
Q51. How is the amount of urine produced regulated?
Q52. The kidneys in human beings are a part of the system for:
Q53. The xylem in plants are responsible for:
Q54. The autotrophic mode of nutrition requires:
Q55. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in:
Q56. How are fats digested in our bodies? Where does this process take place?
Q57. What is the role of saliva in the digestion of food?
Q58. What are the necessary conditions for autotrophic nutrition and what are its by-products?
Q59. What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
Q60. How are the alveoli designed to maximise the exchange of gases?
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