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 |
| Column A | Column B |
| 1. Pinhole | (c) Forms an inverted image |
| 2. Opaque object | (a) Blocks light completely camera |
| 3. Transparent object | (d) Light passes almost completely through it |
| 4. Shadow | (b) The dark region formed behind the object |
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| Column A | Column B |
| Q.1. Earth’s rotation | (a) Causes seasons |
| Q.2. Earth’s revolution | (b) Stellarium app |
| Q.3. Solar and Lunar eclipse | (c) Causes day and night |
| Q.4. Revolution + Tilt | (d) Sunlight falls unequally on Earth |
| Column I | Column II |
| A. Rectum | 1. Mucus |
| B. Gall bladder | 2. Villi |
| C. Stomach | 3. Taste buds |
| D. Tongue | 4. Faeces |
| 5. Bile juice |
| Component | Function |
| Q.1. Battery | (a) Conducts electricity between components |
| Q.2. Switch | (b) Lights up when current flows through it |
| Q.3. Bulb | (c) Controls the flow of current in the circuit |
| Q.4. Wire | (d) Provides electrical energy to the circuit |
| Column A | Column B |
| Q.1. Speed | (a) Sundial |
| Q.2. Modern clock | (b) Periodic |
| Q.3. Ancient time measuring instrument | (c) km/h |
| Q.4. Simple pendulum | (d) Quartz |
| Column A | Column B |
| Q.1. Xylem | (a) Transports food |
| Q.2. Phloem | (b) Gas exchange |
| Q.3. Stomata | (c) Energy release |
| Q.4. Chlorophyll | (d) Transports water |
| (e) Green pigment |
| Column I | Column II |
| A. Tartaric acid | 1. Soap |
| B. Calcium hydroxide | 2. Curd |
| C. Formic acid | 3. Unripe mangoes |
| D. Sodium hydroxide | 4. Ant's sting |
| 5. Lime water |
| Column A | Column B |
| Q.1. Plane mirror | (a) Forms inverted image |
| Q.2. Shadow | (b) Transparent material |
| Q.3. Glass | (c) Formed behind opaque body |
| Q.4. Pinhole camera | (d) Translucent material |
| (e) Virtual and laterally inverted image |
| 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 I | Column II |
| A. Vinegar | 1. is used as indicator |
| B. Sodium chloride | 2. is sour to taste |
| C. Milk of magnesia | 3. major salt of sea |
| D. Turmeric | 4. changes red litmus blue |
| Name of the part | Functions |
| Q.1. Nostrils | A. fresh air from outside enters |
| Q.2. Nasal passages | B. exchange of gases occurs |
| Q.3. Windpipe | C. protects lungs |
| Q.4. Alveoli | D. tiny hair and mucus help to trap dust and dirt from the |
| E. air we breathe air reaches our lungs through this part |