Question
Write short notes on constellations.
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| Vanda | (a) | Climber |
| Pea | (b) | epiphyte |
| Eicchomia | (c) | offset |
| wild strawberry | (d) | Runner stolon |
| 1. | Spiral galaxy | (a) | Globular clusters |
| 2. | Elliptical galaxy | (b) | Bar-shaped structure |
| 3. | Irregular galaxy | (c) | Young, hot stars |
| 4. | Barred spiral galaxy | (d) | Abundant amount of gas, dust |

| 1. | Valency | Fe |
| 2. | Neutral particle | Proton |
| 3. | Iron | Electrons in the outermost orbit |
| 4. | Hydrogen | Neutron |
| 5. | Positively charged particle | Monovalent |

| Pellagra | (a) | Water |
| Allergies | (b) | Folic acid |
| Rabies | (c) | Pollen |
| Anaemia | (d) | skin |
| Element | Symbol | Atomic No. | |||
| i) | Hydrogen | a) | 0 | 1. | 11 |
| ii) | Helium | b) | Al | 2. | 8 |
| iii) | Aluminium | c) | He | 3. | 1 |
| iv) | Oxygen | d) | Na | 4. | 2 |
| v) | Sodium | e) | H | 5. | 13 |
| Rabies | Salmonella |
| Cholera | Yellow Urine |
| Tuberculosis | Cramps in legs |
| Hepatitis | Hydrophobia |
| Typhoid | Mycobacterium |
| 1. | Plastic bags | (a) | Polyvinyl chloride |
| 2. | PVC | (b) | Natural fibre |
| 3. | Melamine | (c) | Non-bio degradable |
| 4. | Wood | (d) | Thermosetting plastic |