| 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 |
| Component | Function |
| 1. Battery | (d) Provides electrical energy to the circuit |
| 2. Switch | (c) Controls the flow of current in the circuit |
| 3. Bulb | (b) Lights up when current flows through it |
| 4. Wire | (a) Conducts electricity between components |
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| Column I | Column II |
| A. Circulatory system | 1. Thin walled |
| B. Most arteries | 2. Heart and blood vessels |
| C. Veins | 3. Oxygenated blood |
| D. Kidney | 4. Circulation of blood |
| 5. Excretion |
| 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 |
| Food components | Product(s) of digestion |
| Carbohydrates | Fatty acids and glycerol |
| Proteins | Sugar |
| Fats | Amino acids |
| Column I | Column II |
| A. Skin | 1.Stomata |
| B. Yeast | 2. Lungs |
| C. Mammals | 3. Single-celled |
| D. Leaves | 4. Earthworm |
| 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. Saprotroph | 1. Pitcher plant |
| B. Chlorophyll | 2. Parasite |
| C. Rhizobium | 3. Green leaf |
| D. Cuscuta | 4. Fungi |
| 5. N2-fixing bacteria |
| Column I | Column II |
| (a) Speed | (i) Speed $\times$ Time |
| (b) Wheel of cycle | (ii) Nanosecond |
| (c) Time | (iii) $km / h$ |
| (d) Distance | (iv) Circular motion |
| 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 |
| Column I | Column II |
| (a) Stomata | (i) Absorption of water |
| (b) Xylem | (ii) Transpiration |
| (c) Root hairs | (iii) Transport of food |
| (d) Phloem | (iv) Transport of water |
| (v) Synthesis of carbohydrates |