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Draw a neat and labelled diagram.
Respiratory system
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Explain with reasons.
Upward and downward movement of diaphragm occurs consecutively.
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______ is present between thoracic and abdominal cavity.
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Find the odd one out.
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Thermocol melts at __________∘C.
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Thermocol is produced from which material?
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Draw the circuit diagram for the following series connection

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The number of fuels used in the life of a star depends on its ______.
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What are the effects of increased population on the ecosystem?
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How is urbanization responsible for the destruction of the ecosystem?
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Explain the interactions among the factors of an ecosystem.
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Explain the relation between continuous rains and landslide. Give reasons.
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Explain the effects of landslide.
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Give scientific reasons.
In Monsoons, don't take shelter near hillside.
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Are there any possible places of landslide in your area? Collect information from experts.
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Find out my partner.
| Group 'A' | Group 'B' |
| 1. Heart beats | a. 350 ml |
| 2. RBC | b. 7.4 |
| 3. WBC | c. 37∘C |
| 4. Blood donation | d. 72 |
| 5. Normal body Temperature | e. 50-60 lakh/mm3 |
| 6. pH of oxygenated blood | f. 5000-6000 per mm3 |
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Draw a neat and labelled diagram.
Internal structure of the heart.
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