Class 10 Science Chapter 6 Extra Questions

In this article, you will find Class 10 Science Chapter 6 Extra Questions of Biology. Class 10 Science Chapter 6 Extra Questions consists of different modes of nutrition, various processes in the human-like- digestive system, respiratory system, excretory system, circulatory system, different systems in plants. You should also go through Class 10 Science Activity 6.1 Solutions.

Class 10 Science Chapter 6 Extra Questions

Class 10 Science Chapter 6 Extra Questions will be very helpful and useful in the context of your upcoming examinations.

Class 10 Science Chapter 6 Extra Questions

If you find any difficulty in finding answers to Class 10 Science Chapter 6 Extra Questions, then go through NCERT solutions of class 10 science or you can comment in the comment section, we will be very pleased to help you.

Class 10 Science Chapter 6 Extra Questions

CHAPTER- 6- LIFE PROCESSES

1. What do you mean by autotrophic and heterotrophic nutrition?

2. State types of movements?

3. Why molecular movements are needed for life?

4. What are life processes and why are they needed?

5. Name the chemical reactions which mean to break down molecules?

6. Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like us?

7. What processes would you consider essential for maintaining life?

8. What are the different modes of nutrition? Describe them.

9. Write differences between autotrophic and heterotrophic nutrition.

10. What is photosynthesis?

11. How the unused energy is stored in plants and animals?

12. Write mechanisms of photosynthesis?

Briefly describe the three main events which occur during the process of photosynthesis?[ Annual board exam-2012]

13. Write the chemical reaction involved in photosynthesis?

14. Draw the diagram of a cross-section of a leaf.

15. Explain the opening and closing of stomata. Draw the diagram also.

16. Explain the following-

i. Starch is formed during photosynthesis.

ii. Light is essential for photosynthesis

iii. Carbon dioxide is formed during photosynthesis.

17. Describe the nutrition process in amoeba. Draw the diagram also.

18.Describe the following with suitable diagrams-

i. Nutrition ( digestive system in human beings)

ii. Respiratory system

iii. Excretory system

iv. Circulatory system

19. What is the role of hydrochloric acid in the stomach?

20. Name the enzyme present in saliva.

21. What is the function of salivary amylase?

22. Name the element which is used in the synthesis of protein.

23. What is the movement by which food is pushed forward in the alimentary canal?

24. Name the substance secreted in the stomach by gastric glands.

25. Name the muscle which regulates the exit of food from the stomach.

26. Where is the complete digestion of food occur in the alimentary canal?

27. Why do the herbivores need longer small intestine and why do carnivores have smaller intestines?

28. Name the enzymes present in pancreatic juice.

29. Name the enzyme present in the small intestine for-

i. Digesting proteins

ii. Digesting fats

iii. Digesting carbohydrates.

30. Name the organ/part of the digestive system where complete digestion of carbohydrates, proteins, and fats occurs.

31. Name the gland that secret bile juice.

32. Describe the role of the following-

i. Hydrochloric acid

ii. Bile juice

iii. Pancreatic juice

33. Name the factors which influence photosynthesis.

34. What are the raw materials for photosynthesis?

35. State the function of villi and where are they located?

36. Name the gland which secretes digestive enzymes and hormones.

37. Name the organ which performs the following functions in humans

i. Absorption of digested food

ii. Absorption of water.

38. How does tooth decay occur?

3 Write the full forms of ADP and ATP.

40. Name the three-carbon compound form during respiration.

41. Give the difference between aerobic and anaerobic respiration.

42. How the small intestine is designed to absorb digested food?

43. What is the cause of cramps in our muscles?

44. Write the function of different enzymes in the digestive system.

45. What is respiration? Why ATP is called the energy currency?

46. What are the different ways in which glucose is oxidized to provide energy in various organisms?

47. How ATP is formed?

48. How does ATP release energy?

49. Give the pathways of breaking down glucose during respiration.

50. Why do plants not release carbon dioxide during the day?

51. Describe the human respiratory system and draw a labeled diagram also.

52. Describe the opening and closing of stomata in plants. Draw the diagram also.

53. What advantages over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?

54. What are the different ways in which glucose is oxidized to provide energy in various organisms?

55. How are oxygen and carbon dioxide transported in human beings?

56. How are lungs designed in human beings to maximize the area of exchange of gases?

57. What is blood?

58. Write the function of blood?

59. Draw the diagram of the human heart. Describe its mechanism?

60. What is normal systolic and diastolic pressure?

61. Name the pigment present in RBC which carries oxygen.

62. Describe the different types of blood vessels in human beings.

63. What is lymph and describe its function also.

64. Name the vein which brings oxygenated (pure) blood to the heart and the artery which carries deoxygenated blood from the heart.

65. Explain the transportation of food and water in plants.

66. Why is it necessary to separate oxygenated and deoxygenated blood in mammals and birds?

67. What are the components of the transport system in highly organized plants?

68. Name the tissue responsible for the transport of food and water in plants.

69. What is translocation?

70. From where do the plants get nitrogen, phosphorus, and other materials?

71. What is transpiration?

72. How much filtrate is formed in the kidneys in adults per day?

73. How much urine is exerted per day?

74. Why hemodialysis is different from the function of kidneys?

75. What is double circulation? Why it is necessary?

76. What is blood pressure?

77. What is hypertension?

78. What do you systole and diastole?

79. Which instrument is used to measure blood pressure?

80. What are the differences between arteries and veins?

81. What is the role of platelets?

82. Name the products when pyruvate gets broken down

i. In the absence of oxygen

ii. In lack of oxygen

iii. In presence of oxygen

83. How much energy is released when one molecule of ATP is broken down?

84. How do unicellular organisms remove waste products?

85. Draw the diagram of the nephron and its function?

86. Describe the human excretory system with a labeled diagram.

87. Difference between xylem and phloem.

88. Compare the functions of alveoli in the lungs and nephron in the kidneys with respect to their structure and functioning.

89. What are the methods used by plants to get rid of excretory products?

90. How the amount of urine is produced regulated?

91. What is hemodialysis (artificial kidneys)?

92. How water and food material are transported in plants?

93. What is the function of saliva?

94. How are fats digested in our body? Where does this process take place?

95. Match the following

A B

i. Stored food a.the high blood pressure

in animals

ii. Photosynthesis b.alveoli

iii Stomata c. haemoglobin

iv. ATP d.glycogen

v. RBC e.chlorophyll

vi. Exchange f.guard cells

of gases

vii. Hypertension g.energy currency

96. What is blood pressure? Give any two differences between artery and vein. -- [Annual board exam-2013]

97. What do you understand by double circulation? Explain transport and exchange of oxygen and carbon with help of schematic representation (diagram). -- [Annual board exam-2013]

98. Draw a labeled diagram of a nephron. Explain the process of urine formation. -- [Annual board exam-2013]

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