Question
| 1. | Earthworm | (a) | Flapping |
| 2. | Cockroach | (b) | Setae |
| 3. | Birds | (c) | Slithering |
| 4. | Snake | (d) | Legs |
| 1. | Earthworm | (a) | Flapping |
| 2. | Cockroach | (b) | Setae |
| 3. | Birds | (c) | Slithering |
| 4. | Snake | (d) | Legs |
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| i | Araucaria | (a) | Bryophyte |
| ii | Riccia | (b) | Fungi |
| iii | Marsilea | (c) | Gymnosperm |
| iv | Ashbya | (d) | Pteridophyte |
| 1. | Bulb | (a) | Conductor |
| 2. | Electroplating | (b) | Insulator |
| 3. | Pure water | (c) | Heating effect of current |
| 4. | Salt solution | (d) | Chemical effect of current |
| Convex mirror | Radio telescopes |
| Parobolic mirror | Rear – view mirror |
| Snell’s law | Kaleidoscope |
| Dispersion of light | sin i/sin r =μ |
| Refractive index | Rainbow |
| 1. | Anode | (a) | Conducting solution |
| 2. | Cathode | (b) | Positive terminal |
| 3. | Ions | (c) | Negative terminal |
| 4. | Electrolyte | (d) | Positively or negatively charged |

| 1. | Calcium | (a) | Salt |
| 2. | Iron | (b) | Fruits |
| 3. | Iodine | (c) | Jaggery |
| 4. | Minerals | (d) | Pulses |
| 5. | Protein | (e) | Milk |
| Chandrayaan | Fuel |
| Mangalyaan | Moon |
| Cryogenic | First manned mission to the moon |
| Apollo - 8 | First man landing mission to the moon |
| Apollo - 11 | Mars |
| i | Conjunctiva | (a) | Coloured part of eye |
| ii | Cornea | (b) | Photosensitive layer |
| iii | Iris | (c) | Refraction |
| iv | Retina | (d) | Protection |