Class 9th Biology Chapter 8 Nutrition

biology 9th notes Chapter No 8

1. Average life span of red blood cells is:

 
 
 
 

2. The process of breaking up of complex substances into simpler substances is:

 
 
 
 

3. Food in plants is produced by:

 
 
 
 

4. The disease caused by the defficiency of iodine is:

 
 
 
 

5. Ulcers occur in;

 
 
 
 

6. The blood vessels that carry blood towards heart are

 
 
 
 

7. Blood consist of:

 
 
 
 

8. The pH of blood is:           

 
 
 
 

9. The connective tissue that is involved in the transport in humans is:

 
 
 
 

10. Where are the villi found?

 
 
 
 

11. The wave like movement of muscle that pushes food through digestive system is called;

 
 
 
 

12. Red blood cells are also called:

 
 
 
 

13. The most numerous of the blood cells are:

 
 
 
 

14. Pericardium is a sac that encloses:

 
 
 
 

15. Deficiency of which elements causes the yellowing leaves in plants:

 
 
 
 

16.  ___________ tissue is responsible for the transport of water in plants.

 
 
 
 

17. In Stomach, Pepsinogen is converted into

 
 
 
 

18. When guard cells loose water they become:

 
 
 
 

19. What are the primary nutrients that provide quick useable energy to body?

 
 
 
 

20. Internal temperature of the plant body is regulated by:

 
 
 
 

21. What are the primary nutrients that provide quick useable energy to body:

 
 
 
 

22. The rate of transpiration is high in:

 
 
 
 

23. The single layer of cells around the pericycle is:

 
 
 
 

24. Whose saying is this that make medicine to your nutrition:

 
 
 
 

25. ______________ is a type of white blood cells which prevent blood clotting.

 
 
 
 

26. One gram of protein has amount of energy

 
 
 
 

27. The process of breaking down large droplets of fat into small droplets is called

 
 
 
 

28. Fibrinogen is involved in:

 
 
 
 

29. The period in which atria and ventricle relax and blood is filled in atria is called:

 
 
 
 

30. What are the primary nutrients that provide quick useable energy to the body?

 
 
 
 

31. Transpiration pull is responsible for:

 
 
 
 

32. The upper thin walled chambers of human heart are called:

 
 
 
 

33. Daily need of major minerals is

 
 
 
 

34. The water move by __________ from the xylem of leaf into mesophyll cells drops.

 
 
 
 

35. Sources in pressure flow mechanism include:

 
 
 
 

36. Disease scurvy is caused by the deficiency of

 
 
 
 

37. Plasma consists of _____ of blood by volume.

 
 
 
 

38. In stomach, pepsinogen is converted into;

 
 
 
 

39. 5 meter long part of the small intestine is called:

 
 
 
 

40. Plants open their stomata during:

 
 
 
 

41. The normal human heart rate in women is:  

 
 
 
 

42.  ___________ of the water that enters a plant is lost via transpiration.

 
 
 
 

43. Guard cells become hypertonic when they make:

 
 
 
 

44. Food is moved by __________ into the sieve tubes of phloem.

 
 
 
 

45. ______________ is a type of white blood cells which produce macrophages to engulf germs.

 
 
 
 

46. 5percent of red blood cells consist of:

 
 
 
 

47. The broad zone external to endodermis is:

 
 
 
 

48. Faeces are temporarily stored in:

 
 
 
 

49. The vessels that have valves in them are:

 
 
 
 

50. White blood cells are also called:

 
 
 
 

51. In adult human, oesophagus length is about:

 
 
 
 

52. The conducting tissue consist of:

 
 
 
 

53. The process(es) involved in the transport of food and other materials in living organisms is (are):

 
 
 
 

54. The intake of food is called

 
 
 
 

55. The rate of transpiration is low in:

 
 
 
 

56. element required for the function of Harmone Insuline is:

 
 
 
 

57. Platelets are also called:

 
 
 
 

58. Food is manufactured in plants in:

 
 
 
 

59.  ______________ is formed in leaves during photosynthesis.

 
 
 
 

60. Micronutrients of plants are;

 
 
 
 

61. Proteins are composed of:

 
 
 
 

62. ______________ is a type of white blood cells which break inflammatory substances and kill parasites.

 
 
 
 

63. Disease of rickets occurs in children due to lack of vitamin:

 
 
 
 

64. Human blood circulatory system is also called:

 
 
 
 

65. The period in which both atria contract and pump blood towards ventricles is called:

 
 
 
 

66. How much percent of Lipid is present in milk?

 
 
 
 

67. Transpiration takes place through:

 
 
 
 

68. Which of the following does not occur in oral cavity?

 
 
 
 

69. Water and minerals travel in the plants from:

 
 
 
 

70. Light causes the movement of _________ from epidermal cells into guard cells.

 
 
 
 

71. The diseases of Kwashiorkor and marasmus may be due to;

 
 
 
 

72. The wave like movement of muscles that pushes food through digestive system is called

 
 
 
 

73. The normal human heart rate in men is:  

 
 
 
 

74. Albumin is involved in:

 
 
 
 

75. The lower thick walled chambers of human heart are called:

 
 
 
 

76. The blood vessels that carry blood away from heart are:

 
 
 
 

77.  ___________ tissue is responsible for the transport of glucose in plants. 

 
 
 
 

78.  ______________ is a type of white blood cells which destroy small particles by phagocytosis.

 
 
 
 

79. The most widely used carbohydrate to get energy is:

 
 
 
 

80. Fat soluble vitamins are:

 
 
 
 

81. The plants that do not have vascular tissues:

 
 
 
 

82. The blood cells which transport oxygen are:

 
 
 
 

83. What may be the reason that children need more calcium and iron?

 
 
 
 

84. Which of the following is not a function of liver?

 
 
 
 

85. Acid is present in Pepsin:

 
 
 
 

86. Which group of enzymes breaks up starches and other carbohydrates?

 
 
 
 

87. The example of insoluble dietary fibre in human food is:

 
 
 
 

88. The concentration of ___________ in guard cells is responsible for opening and closing of stomata.

 
 
 
 

89. Water constitutes about _______ of plasma.

 
 
 
 

90. Hepatic portal vein carries blood from

 
 
 
 

91. The weight of liver of an adult person is:

 
 
 
 

92. Pancreas produces digestive enzyme and releases them into

 
 
 
 

93. One Gram of Lipids contains energy:

 
 
 
 

94. The disease caused by the deficiency of Vitamin A is:

 
 
 
 

95. The glucose is formed during photosynthesis in:

 
 
 
 

96. Elimination of undigested food from the body is called:

 
 
 
 

97. Disease due to the deficiency of Vitamin “C” is:

 
 
 
 

98. The example of Micronutrients is:

 
 
 
 

99.  _______________ receives the deoxygenated blood from body.

 
 
 
 

100. Lack of blood is called disease namely:

 
 
 
 

101. The disease caused by deficiency of Protein is:

 
 
 
 

102. Which Vitamin is made by bacteria in colon?

 
 
 
 

103. When guard cells absorb water they become:

 
 
 
 

104. The organ specialized for the digestion of proteins and for storing food is:

 
 
 
 

105. Water soluble Vitamin is

 
 
 
 

106. Each stoma is surrounded by:

 
 
 
 

107. The Reabsorption of water and salts is done in:

 
 
 
 

108.  ______________ is a type of white blood cells which produce antibodies and kill germs.

 
 
 
 

109. Transpiration is the loss of _________ from plant surface.

 
 
 
 

110. Sink in pressure flow mechanism include:

 
 
 
 

111. The narrow layer of thin walled cells outside the conducting tissue is:

 
 
 
 

112. The transport systems in human body are:

 
 
 
 

113. The second function of oral cavity is the grinding of food by teeth is called:

 
 
 
 

114. 95percent of red blood cells consist of:

 
 
 
 

115. An average adult has _________ of blood.           

 
 
 
 

116. Which vitamin is water soluble?

 
 
 
 

117. Ascent of sap is:

 
 
 
 

118. The name of compound that converts inactive enzyme pepsinogen intopepsin is:

 
 
 
 

119. Which food group is our body’s best source of energy?

 
 
 
 

120. Average life span of a white platelets is:

 
 
 
 

121. The leaves have more stomata on:

 
 
 
 

122. Human heart consists of ___________ chambers.

 
 
 
 

123. The cortex is surrounded by a single layer of:

 
 
 
 

Short Questions

1. Bolus is a piece of food. How?
2. Define balanced diet.
3. Define defecation.
4. Define digestion.
5. Define gastrin.
6. Define mastication.
7. Define micronutrient with examples.
8. Define sphincter. Write two sphincters of stomach.
9. Describe anaemia?
10. Describe role of Magnesium in plants.
11. Differentiate between absorption and assimilation.
12. Differentiate between autotrophs and heterotrophs
13. Differentiate between bolus and chyme.
14. Differentiate between fat soluble and water soluble vitamins. 
15. Differentiate between ingestion and defecation.
16. Differentiate between ingestion and digestion.
17. Differentiate between micronutrients and macronutrients. 
18. Differentiate between organic and inorganic fertilizers. 
19. Differentiate between saturated and unsaturated fatty acids.
20. Differentiate between Soluble and Insoluble Dietary fibres.
21. Differentiate in epiglottis and glottis.
22. Enlist sources of vitamin D.
23. Enlist the causes of ulcer. 
24. Enlist the functions of iron in body.
25. Enlist the role of Nitrogen in plants.
26. Enlist the signs and symptoms of ulcer.
27. Explain with example the distinction between organic and inorganic fertilizers is not always clear cut.
28. Give composition of faeces.
29. Give sources of iron.
30. Give two functions of large intestine.
31. How can we get lipids?
32. How deficiency of Vitamin A causes night blindness?
33. How do vomiting result?
34. How is water important in our diet?
35. How many children (under age five) die each year due to malnutrition?
36. How would you define chemical digestion?
37. If we supply inorganic and organic fertilizers to a plant, which one would be first available to the plant for uptake?
38. Name the major forms of malnutrition.
39. Name the parts of human alimentary canal.
40. Name the secretions added in duodenum.
41. Name three parts of large intestine.
42. Name two juices secreted in the small intestine.
43. What are dietary fibres?
44. What are effects of deficiency of iodine on thyroid gland?
45. What are fertilizers? Write the names of its kinds.
46. What are laxatives?
47. What are lipids? Write their functions.
48. What are macronutrients? Give an example.
49. What are mineral deficiency diseases?
50. What are minerals?
51. What are proteins? From where we get proteins?
52. What are saturated and unsaturated fatty acids?
53. What are the effects of unequal distribution of food?
54. What are the harmful effects of carbonated soft drinks?
55. What are the health risks if we take more saturated fatty acids?
56. What are the sources of calcium?
57. What are the sources of Vitamin C?
58. What are trace minerals?
59. What are villi?
60. What are Vitamins?
61. What do you know about colon?
62. What do you know about intestinal juice?
63. What do you know about liver? Give its two functions other than digestion
64. What do you know about nutrition and nutrients?
65. What do you know about over intake of nutrients?
66. What is appendix? What happens in case of inflammation of appendix?
67. What is bile? Give its function.
68. What is cardiac sphincter and pyloric sphincter?
69. What is churning?
70. What is constipation?
71. What is Diarrhoea? Write its two causes.
72. What is Drought? Write its two disadvantages.
73. What is emulsification?
74. What is Eutrophication?
75. What is Famine?
76. What is gastric ulcer. Write two reasons of stomach ulcer.
77. What is gastrin?
78. What is Goiter?
79. What is Jejunum?
80. What is Kwashiorkor?
81. What is lacteal?
82. What is malnutrition?
83. What is marasmus?
84. What is meant by bolus?
85. What is night blindness?
86. What is obesity? Write its causes.
87. What is peristalsis?
88. What is Protein-energy malnutrition (PEM)?
89. What is rectum? Give its function.
90. What is Saliva? Give its function.
91. What is scurvy? Write also its symptoms.
92. What is Starvation?
93. What is swallowing?
94. What is the cause of increased cholesterol and what are its effects?
95. What is the function of vitamin C in body?
96. What is the role of calcium?
97. What is the role of pancreatic juice in digestion?
98. Which enzymes are found in the pancreatic juice?
99. Which vitamin is produced in colon? Write its function.
100. Why digestion is necessary for human cell?
101. Why does every organism need food?
102. Why have carnivorous plants evolved mechanism for trapping and digesting small animals?
103. Why HCl cannot destroy the stomach.
104. Why is meat not a good source of vitamin C?
105. Why it is called mother-disease?
106. Why pepsin cannot digest the stomach walls?
107. Write about gall bladder. 
108. Write about major minerals.
109. Write any four symptoms of deficiency of vitamin C.
110. Write benefit of mastication
111. Write composition of gastric juice. Where is it secreted?
112. Write main food sources of proteins in human diet.
113. Write names of diseases due to deficiency of Vitamin D.
114. Write the causes of constipation.
115. Write the components of human food.
116. Write the effects of deficiency of calcium.
117. Write the effects of deficiency of iron.
118. Write the function of HCl and pepsin in digestion.
119. Write the importance of organic fertilizers.      
120. Write the importance of Proteins in the body.
121. Write the weight and size of liver in an adult human.
122. Write two Environmental Hazards related to fertilizers’ use.

 

Long Questions

1. Briefly explain the disorders of gut.
2. Briefly give the signs and symptoms, causes, treatments and prevention of diarrhoea, constipation, and ulcer.
3. Define balanced diet. How would you relate it with age, gender and activity?
4. Define fertilizers and describe their importance.
5. Define human alimentary canal and discuss role of oral cavity in digestive system.
6. Define malnutrition and explain its effects.
7. Define micronutrients and macronutrients. Also describe the role of nitrogen and magnesium in plants.
8. Define nutrients. Also explain carbohydrates and lipids.
9. Describe digestion and absorption in small intestine.
10. Describe disorders of gut.
11. Describe effect of water and dietary fibre on life of human beings.
12. Describe how protein energy malnutrition, mineral deficiency diseases and over intake of nutrients are the major forms of malnutrition?
13. Describe mineral deficiency disease in human.
14. Describe mineral nutrition in plants.
15. Describe structures and functions of the main regions of alimentary canal.
16. Describe swallowing and peristalsis.
17. Describe the role of calcium and iron in human diet.
18. Describe the role of large intestine in human digestive system.
19. Describe the role of oesophagus and pharynx.
20. Describe the role of oral cavity in digestion of food.
21. Describe the role of proteins and minerals in human diet.
22. Describe the role of samll intestine in digestion.
23. Describe the role of stomach in digestion.
24. Discuss famine as the major cause of malnutrition.
25. Discuss the role of nitrogen and magnesium in plants.
26. Draw a table that can show sources, energy values and functions of carbohydrates, proteins and fats.
27. Enlist and explain environmental hazards related to fertilizers use.
28. Explain the role of calcium and iron in human body.
29. How are inorganic and organic fertilizers important in agriculture?
30. How are vitamins A, C and D important in our diets?
31. How would you advocate the unequal distribution of food as the major factor that contribut to famine.
32. What are effects of malnutrition.
33. What are the effects of the lack of nitrate and magnesium ions on plant growth?
34. What are vitamins? Describe the role of vitamin A in humans.
35. What are vitamins? Explain the importance of vitamin A and C in human body.
36. Which foods contain calcium and iron and what role these minerals play in our bodies?
37. Why are water and dietary fibres considered important in our diets?
38. Write a note on balanced diet.
39. Write a note on carbohydrates and proteins.
40. Write a note on dietary fibres.
41. Write a note on digestion of food in stomach.
42. Write a note on lipids.
43. Write a note on liver.
44. Write a note on PEM.
45. Write a note on protein energy malnutrition.
46. Write a note on vitamin C
47. Write a note on vitamin D.
48. Write down the detailed note on the role of liver.
49. Write down the importance of fertilizers.

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