INDIAN SCHOOL DARSAIT DEPARTMENT OF BIOLOGY

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1 INDIAN SCHOOL DARSAIT DEPARTMENT OF BIOLOGY Subject : BIOLOGY SA - Revision Worksheet Date of Worksheet: Resource Persons: Zeena Sajan, Zehra Fatima & Subhaja Nandakumar Name of the Student : Class & Division :X Roll No. CHAPTER 6. LIFE PROCESSES ((Nutrition & Respiration). Differentiate between autotrophs and heterotrophs.. Define nutrition.. Name the pigment present in plants which can absorb solar energy. 4. What is the role of saliva in digestion of food?. When we are asleep we are not performing any activity still our life processes are going on. Why? 6. Explain the role of Hydrochloric acid in our stomach. 7. List the raw materials essential for photosynthesis. Write the equation for photosynthesis. 8. Which is the largest gland? State its function. 9. Name the largest part of alimentary canal. 0. Why is the Small Intestine of herbivorous animals longer than that of carnivorous animals?. What is the function of epiglottis in man?. Name the sphincter which regulates the exit of food from the stomach.. Which pancreatic enzyme is effective in digesting proteins? 4. After a vigorous exercise you may experience cramps in your leg muscles. Why does this happen?. Name the organelle in which photosynthesis occurs. 6. Name the respiratory structures of i)mosquito ii)earth worm. ISD / Biology / SA Revision worksheet / X / 06-7 Page of 6

2 7. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in a) Cytoplasm. b) Mitochondria. c) Chloroplast. d) Nucleus. 8. Stomata is more on the : a)lower epidermis b)upper epidermis c) leaf petiole d) All of the above 9. What is Cellular Respiration? 0. Which part of lungs in human beings maximize the area for exchange of gases?. a)name the respiratory pigment present in human body and state where it is found. b)explain its role?. Why is diffusion insufficient to meet the oxygen requirements of a multicellular organisms like humans?. What advantage does a terrestrial organism have over an aquatic organism with regard to process of respiration? 4. Differentiate between inhalation and exhalation.. Explain the role of the following in the process of digestion in the human body a) Lipase b)trypsin 6. Write any two points of difference between respiration in plants and respiration in animals. 7. From where do the plants get each of the following raw materials (a) CO (b) Water and Minerals 8. a) How is fat digested in our body? b) Where does this take place? 9. Name the finger like projections of small intestine and what is the necessity of such type of projections in digestive system? 0. Explain the opening and closing of stomata with the help of a well labelled diagram.. What are the differences between aerobic and anaerobic respiration? Name an organism that uses anaerobic mode of respiration.. Illustrate the various pathways used for breakdown of glucose molecule.. Name any three important enzymes of pancreas and the food component on which they act. ISD / Biology / SA Revision worksheet / X / 06-7 Page of 6

3 4. Name the mode of nutrition a)food is digested outside the body b)nutrition is derived from other organism without killing c)whole material is taken and digested inside body.. State the function of the following: (i) Fine hair in nostrils (ii) Rings of cartilage around trachea (iii) Haemoglobin in blood 6. Describe the mechanism of breathing 7. Name the three secretions of gastric glands and mention their role. 8. Why pancreas is called a mixed gland? 9. What is the secretion of liver? State its function. 40. Explain the process of photosynthesis in brief. 4. i)draw the diagram of cross section of a leaf and label the following in it. a) Chloroplast b)guard cell c)lower epidermis d)upper epidermis ii)how does photosynthesis takes place in desert plants? 4. Draw a well labeled diagram of human alimentary canal and explain the process of digestion in human beings. 4. Explain the process of respiration in Human Beings with the help of a labelled diagram showing human Respiratory system. CHAPTER 6. LIFE PROCESSES (Transportation & Excretion) 44. Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds? 4. Name three excretory organs of man. 46. Name the type of blood vessels which carry blood from organs to the heart. 47. Name the artificial method for the removal of liquid nitrogenous waste from body. 48. Name any three waste products of plants? 49. Define lymph. 0. Name the largest artery in the human body. ISD / Biology / SA Revision worksheet / X / 06-7 Page of 6

4 . What are capillaries?. Why do veins have thin walls compared to arteries?. Name any four metabolic waste produced by human. 4. How are water and minerals transported in plants?. How is food transported in plants? 6. Mention the role of the valves in maintaining blood flow in the heart. 7. What is the structural difference between the auricles and ventricles? 8. Distinguish between translocation and transpiration. 9. What do the following transport? a)pulmonary vein (b)venacava 60. Write two differences between the transport of materials in xylem and phloem. 6. What are the components of the transport system in human beings? What are the functions of these components? 6. a)what is blood pressure? b)what is the normal blood pressure in a healthy person? c)name the instrument used to measure Blood pressure. 6. State the differences between an artery and a vein. 64. Describe the working of an artificial Kidney. Or What is dialysis? Describe the dialysis technique. 6. Describe the structure and functioning of nephron in the human body with the help of diagram. 66. What do you mean by the term double circulation? Briefly explain the process. 67. What are the methods used by plants to get rid of excretory products? 68. a) Draw a neat diagram of excretory system of human beings and label the following : (i) Kidney (ii) Ureter (iii) Urinary Bladder (iv) Urethra b)why are glomeruli considered as dialysis bags? c) Describe the formation of urine. ISD / Biology / SA Revision worksheet / X / 06-7 Page 4 of 6

5 69. a) Name the veins and arteries that carry blood i) Away from the heart to lungs. ii) Back to the heart from lungs. iii)to the right atrium from different parts of the body. b) Draw a well labeled diagram of human heart CHAPTER 7. CONTROL AND COORDINATION 70. State the main function of abscisic acid in plants. 7. Name the plant hormones responsible for elongation of cells. 7. What are the components of (a) central nervous system (b) peripheral nervous system? 7. What is phototropism and geotropism? 74. Citing an example explain chemotropism. 7. Which part of the brain is involved in thinking? 76. Name the following: a) Thinking part of the brain. b) The parts of the brain which controls voluntary actions. c) The part of the hind brain which controls involuntary actions. d) Hormones secreted at puberty in human male and female. 77. What happens at synapse between two neurons? 78. Cite an example to explain feedback mechanism for regulation of hormonal secretion. 79. Name the hormone secreted by thyroid gland.state its function. 80. Draw a neat diagram to show structure of neuron and label on it the following: Cell body, axon, dendrite 8. What are reflex actions? Give two examples. 8. a)which hormone is secreted when growing plants detect light? b)why do plants appear to bend towards light? 8. List the names of hormones secreted by the following endocrine glands and mention their functions i)thyroid Gland ii)pituitary Gland iii)adrenal Gland ISD / Biology / SA Revision worksheet / X / 06-7 Page of 6

6 84. Name various plant hormones. State one function for each. 8. a)differentiate between sensory neurons and motor neurons. b)how is brain protected in our body? c)name the part of the brain responsible for i)precision of voluntary actions ii) maintaining body posture and balance of the body. 86. Explain how the human body responds when adrenalin is secreted into blood. 87. a)which hormone is secreted when growing plants detect light? b)why do plants appear to bend towards light? 88. List the names of hormones secreted by the following endocrine glands and mention their functions. i. Pituitary gland ii. Adrenal gland 89. What is a reflex arc? What are the components of a reflex arc? 90. How is the movement of the leaves of the sensitive plant different from the movement of a shoot towards light? 9. Name the various plant hormones. Give the functions of each. 9. How do Auxins promote the growth of a tendril around a support? 9. There are limitations to the use of electrical impulses for transfer of information rapidly. Give reasons to support this statement. 94. a)differentiate between sensory neurons and motor neurons. b)how is brain protected in our body? c)name the parts of the brain responsible for precision of involuntary actions and maintaining body posture and balance of the body. 9. a)name the hormone injected to a diabetic patient. b)why should we use iodised salt in our diet? c)if iodine is insufficient in one s diet, what might be the deficiency disease and its symptoms? 96. What is the function of receptors in our body? Name the different receptors found in the human body along with their locations. 97. Explain with the help of a flow chart how the nervous tissue causes action? ISD / Biology / SA Revision worksheet / X / 06-7 Page 6 of 6