Please select a subject first
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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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Explain with reasons.
Human blood is red coloured.
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Explain the structure and function of human blood.
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Explain the difference.
Arteries and veins.
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Cardiac muscles are ______.
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pH of oxygenated blood is ______.
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Production of RBCs occurs in ______.
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Find the odd one out.
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Find the odd one out.
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Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Sodium chloride is ______ compound while hydrogen chloride is ______ compound.
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A thermometer is used to measure ______.
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Describe a clinical thermometer. How does it differ from the thermometer used in laboratory?
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___________ glass dissolves in water.
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