NUTRITION AND RESPIRATION
1. Name the basic life processes common to all living organisms which are essential for maintaining.
2. Give an example of
a. autotroph
b. heterotroph
3. What are the two inorganic substances used by the plants to prepare food?
4. Name the life processes which
a. transfers a source of energy from outside the body of the organism to inside.
b. acquires oxygen from outside his body and uses it in the process of breakdown of food sources for cellular needs
c. removes waste by-products from the body .
5. Name the process by which plants prepares food .What are the components essential for this process.
6. When you observe a cross-section of leaf under the microscope ,you will notice that some cells contain green dots
a. what are the green dots called ?
b. why are they green in colour?
c. what is its function?
7. What are the tiny pores present on the surface of the leaves ?
a. What is its function?
b. Name the cell controlling the opening and closing of these pores .
8. Name the essential element needed by the plants for the synthesis of proteins and other compounds.
9. Name two organisms who
a. breakdown food outside the body and absorb it
b. plant parasites
c. animal parasite
10. What is the term used for the biological catalysts used in the breakdown of food materials into simpler ones in the human digestive system ?
11. Name the
a. fluid present in our mouth
b. gland which secretes this fluid
c. digestive enzyme present in this fluid
d. function of this enzyme
12. Name the
a. gland present in the stomach
b. digestive juice secreted by this gland
c. components present in this digestive juice
d. role of these components.
13. What is the digestive juice secreted by liver? State its function.
14. What is the
a. digestive juice secreted by pancreas?
b. enzymes present in this digestive juice
c. role of each enzyme
15. What is the rhythmic movement occurring along the alimentary canal to push the food forward ?
16. Name the longest part of the alimentary canal ?
17. Name the finger like projections in the small intestine
18. What are the two different ways used by living organisms to derive energy ?
19. What are the end products formed during
a. aerobic respiration
b. anaerobic respiration
20. Name the cell organelle where breaking down of pyruvate using oxygen takes place.
21. Name the process by which plants exchange gases.
22. From where do they get oxygen for respiration
a. terrestrial animals
b. aquatic animals
23. Name the respiratory organ of
a. fish
b. human
24. What is the importance of the following in the human respiratory system ?
a. nostrils lined with fine hair
b. rings of cartilage in the trachea
c. alveoli present in the lungs
25. Name the respiratory pigment present in the red blood corpuscles.
ANSWERS
1. nutrition, respiration , transportation, excretion
2. a) green plants b) animals
3. carbon dioxide and water
4. a) nutrition b)respiration c) excretion
5. a) photosynthesis b) carbon dioxide, water, chlorophyll and light.
6. a) chlorophyll b)presence of chlorophyll c) traps sunlight
7. a) stomata b)exchange gases and transpiration c) guard cells
8. nitrogen
9. a) yeast , mushroom b)cuscuta, orchids c) ticks, leeches
10. enzymes
11. a) saliva b)salivary gland c)amylase d)digests starch to sugar
12. a) gastric gland b) gastric juice c) pepsin, mucus , HCl d) pepsin digests protein , HCl creates an acidic medium, mucus protects the wall of the stomach
13. a) bile b) emulsifies fat
14. a) pancreatic juice b)trypsin and lipase c) trypsin digests protein, lipase digests fat
15. peristaltic movement
16. small intestine
17. villi
18. aerobic respiration and anaerobic respiration
19. a) carbodioxide and water b) ethanol and carbondioxide
20. mitochondria
21. diffusion
22. a) oxygen from the atmosphere b) oxygen dissolved in water
23. a) gills b) lungs
24. a) filters air b) air passage does not collapse c)exchange gases
25. haemoglobin
1. Name the basic life processes common to all living organisms which are essential for maintaining.
2. Give an example of
a. autotroph
b. heterotroph
3. What are the two inorganic substances used by the plants to prepare food?
4. Name the life processes which
a. transfers a source of energy from outside the body of the organism to inside.
b. acquires oxygen from outside his body and uses it in the process of breakdown of food sources for cellular needs
c. removes waste by-products from the body .
5. Name the process by which plants prepares food .What are the components essential for this process.
6. When you observe a cross-section of leaf under the microscope ,you will notice that some cells contain green dots
a. what are the green dots called ?
b. why are they green in colour?
c. what is its function?
7. What are the tiny pores present on the surface of the leaves ?
a. What is its function?
b. Name the cell controlling the opening and closing of these pores .
8. Name the essential element needed by the plants for the synthesis of proteins and other compounds.
9. Name two organisms who
a. breakdown food outside the body and absorb it
b. plant parasites
c. animal parasite
10. What is the term used for the biological catalysts used in the breakdown of food materials into simpler ones in the human digestive system ?
11. Name the
a. fluid present in our mouth
b. gland which secretes this fluid
c. digestive enzyme present in this fluid
d. function of this enzyme
12. Name the
a. gland present in the stomach
b. digestive juice secreted by this gland
c. components present in this digestive juice
d. role of these components.
13. What is the digestive juice secreted by liver? State its function.
14. What is the
a. digestive juice secreted by pancreas?
b. enzymes present in this digestive juice
c. role of each enzyme
15. What is the rhythmic movement occurring along the alimentary canal to push the food forward ?
16. Name the longest part of the alimentary canal ?
17. Name the finger like projections in the small intestine
18. What are the two different ways used by living organisms to derive energy ?
19. What are the end products formed during
a. aerobic respiration
b. anaerobic respiration
20. Name the cell organelle where breaking down of pyruvate using oxygen takes place.
21. Name the process by which plants exchange gases.
22. From where do they get oxygen for respiration
a. terrestrial animals
b. aquatic animals
23. Name the respiratory organ of
a. fish
b. human
24. What is the importance of the following in the human respiratory system ?
a. nostrils lined with fine hair
b. rings of cartilage in the trachea
c. alveoli present in the lungs
25. Name the respiratory pigment present in the red blood corpuscles.
ANSWERS
1. nutrition, respiration , transportation, excretion
2. a) green plants b) animals
3. carbon dioxide and water
4. a) nutrition b)respiration c) excretion
5. a) photosynthesis b) carbon dioxide, water, chlorophyll and light.
6. a) chlorophyll b)presence of chlorophyll c) traps sunlight
7. a) stomata b)exchange gases and transpiration c) guard cells
8. nitrogen
9. a) yeast , mushroom b)cuscuta, orchids c) ticks, leeches
10. enzymes
11. a) saliva b)salivary gland c)amylase d)digests starch to sugar
12. a) gastric gland b) gastric juice c) pepsin, mucus , HCl d) pepsin digests protein , HCl creates an acidic medium, mucus protects the wall of the stomach
13. a) bile b) emulsifies fat
14. a) pancreatic juice b)trypsin and lipase c) trypsin digests protein, lipase digests fat
15. peristaltic movement
16. small intestine
17. villi
18. aerobic respiration and anaerobic respiration
19. a) carbodioxide and water b) ethanol and carbondioxide
20. mitochondria
21. diffusion
22. a) oxygen from the atmosphere b) oxygen dissolved in water
23. a) gills b) lungs
24. a) filters air b) air passage does not collapse c)exchange gases
25. haemoglobin
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