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#1. Which of the following is considered common evidence for being alive?
#2. Why is invisible molecular movement necessary for life?
#3. The processes which together perform the maintenance job of the body are called:
#4. Which process transfers a source of energy from outside the body to the inside?
#5. The process of acquiring oxygen from outside and using it to break down food for cellular needs is:
#6. Why is simple diffusion insufficient for multi-cellular organisms like humans?
#7. The process of removing harmful metabolic waste products from the body is called:
#8. Which organisms are called autotrophs?
#9. In plants, carbohydrates not used immediately are stored as:
#10. In the human body, energy derived from food is stored in the form of:
#11. What is the first step in the process of photosynthesis?
#12. Desert plants take up carbon dioxide at what time?
#13. Which cell organelles contain chlorophyll?
#14. The tiny pores on the surface of leaves used for gas exchange are called:
#15. The opening and closing of stomatal pores is a function of:
#16. Which substance is used in experiments to absorb carbon dioxide?
#17. Which essential element is used in the synthesis of proteins?
#18. Amoeba takes in food using temporary finger-like extensions called:
#19. Which of the following is a parasite?
#20. Paramoecium moves food to a specific spot using:
#21. The alimentary canal extends from
#22. Saliva contains which enzyme to break down starch?
#23. The rhythmic contraction of muscles in the canal to push food forward is called:
#24. Which organ expands when food enters it?
#25. Gastric glands in the stomach release:
#26. What is the function of hydrochloric acid in the stomach?
#27. What protects the inner lining of the stomach from acid?
#28. The longest part of the alimentary canal is the:
#29. Herbivores have a longer small intestine to digest:
#30. The small intestine is the site for complete digestion of:
#31. Bile juice from the liver makes the food coming from the stomach
#32. Bile salts break down large fat globules into smaller ones, a process similar to:
#33. Which enzyme is responsible for digesting proteins in the pancreatic juice?
#34. Lipase is an enzyme that breaks down:
#35. Intestinal enzymes finally convert proteins into:
#36. The finger-like projections in the small intestine that increase surface area are:
#37. The main function of the large intestine is to:
#38. Dental plaque is formed by:
#39. The first step of glucose breakdown (into pyruvate) occurs in the:
#40. Anaerobic respiration in yeast produces:
#41. Breakdown of pyruvate using oxygen takes place in the:
#42. Build-up of which substance in muscles causes cramps during sudden activity?
#43. The energy currency for most cellular processes is:
#44. How much energy is released when the terminal phosphate linkage in ATP is broken?
#45. In plants, the exchange of gases occurs through:
#46. At night, what is the major gas exchange activity in plants?
#47. Why is the breathing rate in aquatic organisms faster than terrestrial ones?
#48. In humans, air is filtered in the nostrils by:
#49. Rings of cartilage are present in the throat to:
#50. The balloon-like structures in the lungs where gas exchange occurs are:
#51. What happens to the diaphragm when we breathe in?
#52. The respiratory pigment in human beings is:
#53. Haemoglobin has a very high affinity for:
#54. Carbon dioxide is mostly transported in blood in:
#55. If the alveolar surface were spread out, it would cover about:
#56. Blood consists of a fluid medium called:
#57. The heart is roughly the size of a:
#58. Which chamber of the heart receives oxygen-rich blood from the lungs?
#59. Why do ventricles have thicker muscular walls than atria?
#60. What ensures that blood does not flow backwards in the heart?
#61. Amphibians and many reptiles have hearts with how many chambers?
#62. In fish, blood goes through the heart how many times during one cycle?
#63. Double circulation is a characteristic of:
#64. Normal systolic and diastolic blood pressure is:
#65. Blood pressure is measured with which instrument?
#66. Arteries carry blood:
#67. Which blood vessels have walls that are one-cell thick?
#69. Xylem tissue in plants moves:
#70. Phloem tissue transports:
#71. The loss of water in the form of vapor from aerial parts of the plant is:
#72. Transpiration pull is the major driving force for water movement during:
#73. The transport of soluble products of photosynthesis is called:
#74. Translocation in phloem is achieved by utilizing energy from:
#75. In the spring, sugar stored in roots is transported to:
#76. The basic filtration unit in the human kidney is the:
#77. The cup-shaped end of the nephron is called:
#78. Which of the following is NOT selectively re-absorbed in the kidney tubules?
#79. Urine is stored in the:
#80. Hemodialysis is used in case of:
#81. In a healthy adult, the initial filtrate in the kidneys is about how much per day?
#82. Which of the following is a waste product of photosynthesis?
#83. Plants store some waste products as:
#84. Lack of oxygen in muscles during sudden activity converts pyruvate into:
#85. Which fluid drains excess fluid from extra cellular space back into the blood?