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19. Collect information about cutaneous respiration in frog. Prepare a note and display them in your |
classroom.(AS4) |
20. Collect information about respiratory diseases (because of pollution, tobacco) and discuss with |
your classmates.(AS4) |
21. What is the pathway taken by air in the respiratory system? Illustrate with a labelled diagram.(AS5) |
22. Draw a block diagram showing events in respiration. Write what you understood about cellular |
respiration.(AS5) |
Free distribution by T.S. Government 2019-20 45 |
23. How you appreciate the mechanism of respiration in our body?(AS6) |
24. Prepare an article on anaerobic respiration to present school symposium.(AS7) |
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A |
25. Prepare a cartoon on discussion between haemoglobin and chlorophyll about respiration.(AS7) |
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Fill in the blanks |
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AN |
1. Exhaled air contains _________ and _________. |
2. A flap like muscular valve controls movement of air and food is ___________. |
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NG |
3. Energy currency of the cell is called _____________. |
4. Lenticels are the respiratory organs exists in __________ part of plant. |
5. Mangroove trees respire with their ____________. |
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Choose the correct answer |
LA |
6. We will find vocal cords in ( ) |
A) larynx B) pharynx C) nasal cavity D) trachea |
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7. Cluster of air sacs in lungs are called ( ) |
A) alveoli B) bronchi C) bronchioles D) air spaces |
8. Which of the following is correct ( ) |
i) the diaphragm contracts - volume of chest cavity increased |
T |
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ii) the diaphragm contracts - volume of chest cavity decreased |
iii) the diaphragm expands - volume of chest cavity increased |
ER |
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iv) the diaphragm expands - volume of chest cavity decreased |
A) i B) i & ii C) ii & iii D) iv |
9. Respiration is a catabolic process because of ( ) |
A) breakdown of complex food molecules B) conversion of light energy |
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C) synthesis of chemical energy D) energy storage |
10. Energy is stored in ( ) |
A) nucleus B) mitochondria C) ribosomes D) cell wall |
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46 X Class Respiration - The energy releasing system |
Annexure |
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A |
Pranayama - The art of breathing |
It is wonder to know that only human beings |
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AN |
have to learn how to breath. Our lungs are divided |
into lobes. At each breath we will inhale or exhale |
only 500ml of air. Where as our lung capacity is |
approximately 5800ml. So most of the time |
breathing takes place in the upper lobes only. This |
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NG |
means we are not using our lungs to their fullest |
capacity. Even after complete expiration |
approximately 1200ml of air remains in our |
lungs. So we can make use of 4600ml of lung |
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