| i | The ray that enters the transparent medium | (a) | Violet |
| ii | The ray that comes out from a transparent medium into air | (b) | 0^(@) |
| iii | Speed of light in vacuum | (c) | Emergent ray |
| iv | The angle of incidence for normal incidence | (d) | Incident ray |
| v | The colour that deviates the most | (e) | $3\times10^{8}m/s$ |
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| 1. | Anode | (a) | Conducting solution |
| 2. | Cathode | (b) | Positive terminal |
| 3. | Ions | (c) | Negative terminal |
| 4. | Electrolyte | (d) | Positively or negatively charged |
| 1. | Crooke’s tube | (a) | Negatively charged particles |
| 2. | Cathode rays | (b) | Cathode ray tube |
| 3. | Proton | (c) | Positively charged particles |
| 4. | Anode rays | (d) | $1.6 \times 10^{-24} g$ |
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
| i | Pyricularia | (a) | Mosses |
| ii | Cercospora | (b) | Blast disease |
| iii | Protonema | (c) | Tikka disease |
| iv | Dryopteris | (d) | Fem |
| Law of conservation of mass | Sir William Crookes |
| Law of constant proportion | James Chadwick |
| Cathode rays | Joseph Proust |
| Anode rays | Lavoisier |
| Neutrons | Goldstein |
| i | Amoeba | (a) | Autotrophs |
| ii | Algae | (b) | Gills |
| iii | Agaricus | (c) | Biocontrol |
| iv | Bt cotton | (d) | Sporulation |
| Column I | Column II | |
| a) | Static friction | Viscosity |
| b) | Kinetic friction | Least friction |
| c) | Rolling friction | Objects are in motion |
| d) | Friction between the liquid layers | Objects are sliding |
| e) | Sliding friction | Objects are at rest |
| i | Solanum trilobatum | (a) | Fungi |
| ii | Vitamin $B_2$ | (b) | Rhizopus |
| iii | Saprophyte | (c) | Laminaria |
| iv | Fodder | (d) | TB |
| 1. | Conduction | (a) | liquids and gases |
| 2. | Convection | (b) | Poor conductor |
| 3. | Radiation | (c) | Solids |
| 4. | Snow | (d) | Vacuum |
| 1. | Insulator | (a) | Coulomb |
| 2. | Conductor | (b) | Electric circuit |
| 3. | Closed path | (c) | Copper |
| 4. | Electric charge | (d) | Rubber |