Question
| Column A | Column B |
| Q.1. Pinhole | (a) Blocks light completely camera |
| Q.2. Opaque object | (b) The dark region formed behind the object |
| Q.3. Transparent object | (c) Forms an inverted image |
| Q.4. Shadow | (d) Light passes almost completely through it |
| Column A | Column B |
| Q.1. Pinhole | (a) Blocks light completely camera |
| Q.2. Opaque object | (b) The dark region formed behind the object |
| Q.3. Transparent object | (c) Forms an inverted image |
| Q.4. Shadow | (d) Light passes almost completely through it |
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| Column A | Column B |
| Q.1. Rotation | (a) Causes change in seasons |
| Q.2. Revolution | (b) Longest day in Northern Hemisphere |
| Q.3. Equator | (c) 24 hours |
| Q.4. Lunar eclipse | (d) Receives nearly equal sunlight all year |
| (e) Earth between Sun and Moon |
| Column A | Column B |
| Q.1. Burning of magnesium | (a) Release of carbon dioxide |
| Q.2. Melting of wax | (b) Liquid to gas |
| Q.3. Boiling of water | (c) White dazzling flame |
| Q.4. Mixing vinegar & baking soda | (d) Brown substance is lormed |
| (e) Solid to liquid |
| Column I | Column II |
| A. Plant | 1. Chest cavity |
| B. Glucose | 2. Lungs and moist skin |
| C. Frog | 3. Source of energy |
| D. Lungs | 4. Stomata and roots |
| Column A | Column B |
| Q.1. Pinhole | (a) Blocks light completely camera |
| Q.2. Opaque object | (b) The dark region formed behind the object |
| Q.3. Transparent object | (c) Forms an inverted image |
| Q.4. Shadow | (d) Light passes almost completely through it |
| Column I | Column II |
| Q.1. Lungs | A. Site for gas exchange |
| Q.2. Alveoli | B. Helps in breathing |
| Q.3. Diaphragm | C. Breathing organs of fish |
| Q.4. Gills | D. Tiny air sacs in lungs |
| Column A | Column B |
| Q.1. Erosion | (a) Chemical change |
| Q.2. Weathering of rocks | (b) Physical change |
| Q.3. Souring of milk | (c) Turns lime water milky |
| Q.4. Carbon dioxide | (d) both physical and chemical change |
| Column I | Column II |
| A. Right ventricle | 1. Pushes blood into the pulmonary artery. |
| B. Pulmonary veins | 2. Take deoxygenated blood from the heart to lungs. |
| C. Left atrium | 3. Receives blood from different parts of the body |
| D. Pulmonary arteries | 4. Bring oxygenated blood from lungs to the heart. |
| 5. Receives oxygenated blood from the pulmonary veins. |
| Column A | Column B |
| Q.1. Metallic oxide | A. Liquid metal |
| Q.2. Non-metallic oxide | B. Turns red litmus into blue |
| Q.3. Basic solution | C. Acidic in nature |
| Q.4. Mercury | D. Basic in nature |
| Column A | Column B |
| Q.1. Plane mirror | (a) Luminous |
| Q.2. The sun | (b) Opaque |
| Q.3. Light | (c) Lateral inversion |
| Q.4. Objects through | (d) Travels in |
| Column A | Column B |
| Q.1. Materials which transfers heat | (a) Wiod |
| Q.2. Metal stored in kerosene | (b) Gold |
| Q.3. Non-metal essential for life | (c) Sodium |
| Q.4. Nor-conductor of electricity | (d) Oxygen |
| (e) Conductor |