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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 |
Concept: undefined >> undefined
What are the uses of plants?
Concept: undefined >> undefined
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Classify plants on the basis of flowers.
Concept: undefined >> undefined
What are the properties of root?
Concept: undefined >> undefined
Give some examples of monocotyledonous plants and dicotyledonous plants.
Concept: undefined >> undefined
When ______ flows through a conductor, heat energy is produced.
Concept: undefined >> undefined
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 |
Concept: undefined >> undefined
List and describe the sources of heat.
Concept: undefined >> undefined
Hydel electricity is produced in ______ in Tirunelveli district.
Concept: undefined >> undefined
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 |
Concept: undefined >> undefined
Any device from which electricity is produced is called ______.
Concept: undefined >> undefined
The place in Kanyakumari district that has more windmills is ______.
Concept: undefined >> undefined
Growth of seed into sapling is ______ change.
Concept: undefined >> undefined
______ changes which take place within a short period of time.
Concept: undefined >> undefined
Analogy:
Germination of seed:: slow change.
Breaking of glass:: ______.
Concept: undefined >> undefined
Match the following:
| 1. | Lighting | a. | Physical change |
| 2. | Touch me not plant leaves showing | b. | camphor |
| 3. | Sugar dissolving | c. | Water |
| 4. | Sublimation | d. | Reversible change |
| 5. | Universal solvent | e. | Fast change |
Concept: undefined >> undefined
Mention any three examples of fast change?
Concept: undefined >> undefined
Formation of coal is a ______.
Concept: undefined >> undefined
Change of seasons: slow change:: Breaking of glass: ______.
Concept: undefined >> undefined
