Please select a subject first
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______ is a natural science concerned with the study of life and living organisms.
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The living world comprises plants and animals.
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Taproot consists of a cluster of roots arising from the base of the stem.
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Plants can prepare ______.
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______ are positively geotropic in nature.
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Complete the given analogy.
The aerial part above the ground: Shoot system
The underground part of the axis of a plant: ______.
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Match the following.
| 1. | Taproot | a. | Grass |
| 2. | Aquatic plant | b. | Teak tree |
| 3. | Desert plant | c. | Neem |
| 4. | Grassland | d. | Opuntia |
| 5. | Terrestrial plant | e. | Water lily |
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What are the uses of plants?
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Classify plants on the basis of flowers.
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What are the properties of root?
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Give some examples of monocotyledonous plants and dicotyledonous plants.
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When ______ flows through a conductor, heat energy is produced.
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Match the following:
| 1. | Source of heat | a. | heat energy |
| 2. | Electric current | b. | calorie |
| 3. | Gasoline | c. | 37°C |
| 4. | Unit of heat | d. | Electric kettle |
| 5. | Human body temperature | e. | sun |
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List and describe the sources of heat.
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Hydel electricity is produced in ______ in Tirunelveli district.
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Match the following:
| i. | Source of electricity | a. | Conductors |
| ii. | To connect devices | b. | Bulb |
| iii. | Consumes electricity | c. | Insulators |
| iv. | Allow electric charges | d. | Connecting wires |
| v. | Do not allow electric charges | e. | Cell |
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Any device from which electricity is produced is called ______.
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The place in Kanyakumari district that has more windmills is ______.
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Growth of seed into sapling is ______ change.
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