Please select a subject first
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What happen when paper is burnt? Explain.
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What type of changes is associated with the germination of a seed? Explain
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Give one example for each case that happens around you.
- Slow and fast change
- Reversible and irreversible change
- Physical and chemical change
- Natural and man-made change
- Desirable and undesirable change
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Why is atmosphere essential for life on earth?
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Under the microscope, Priya observes a cell that has a cell wall and distinct nucleus. The cell that she observed is
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The instrument used to observe the cell is _____
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I take part in food production of a cell. Who am I? ____
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The Term “ cell” was coined by ______
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New cells are produced from the existing cells.
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Who discovered the cell in 1665?
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Make sketches of animal and plant cells which you observe under microscope.
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Write about the contribution of Robert Hooke in cell biology.
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Main organ of respiration in human body is
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Mach the following
| 1. | Ear | Cardiac muscle |
| 2. | Skeletal System | Flat muscle |
| 3. | Diaphragm | Sound |
| 4. | Heart | Air sacs |
| 5. | Lungs | Protection of internal organs |
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Describe about skeletal system.
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Write a short note on rib cage.
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List out the functions of the human skeleton.
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Which one of the following is an input device?
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