Question
| Column I | Column II |
| 1. Sea water | a. Solid in solid |
| 2. Vinegar | b. Solid in liquid |
| 3. Air | c. Liquid in liquid |
| 4. Bronze | d. Gas in liquid |
| 5. Chlorinated water | e. Gas in gas |
| Column I | Column II |
| 1. Sea water | a. Solid in solid |
| 2. Vinegar | b. Solid in liquid |
| 3. Air | c. Liquid in liquid |
| 4. Bronze | d. Gas in liquid |
| 5. Chlorinated water | e. Gas in gas |
| Column I | Column II |
| 1. Sea water | b. Solid in liquid |
| 2. Vinegar | c. Liquid in liquid |
| 3. Air | e. Gas in gas |
| 4. Bronze | a. Solid in solid |
| 5. Chlorinated water | d. Gas in liquid |
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| Producer | Ecosystem |
| 1. Cactus | a. Forest |
| 2. Aquatic plants | b. Creek |
| 3. Mangroves | c. Aquatic |
| 4. Pine | d. Desert |
| Column ‘A’ | Column ‘B’ |
| 1. Sodium hydroxide | a. Whitewashing |
| 2. Magnesium hydroxide | b. Fertilizers |
| 3. Calcium hydroxide | c. Washing soap |
| 4. Ammonium hydroxide | d. Antacid |
| Column 1 | Column 2 | Column 3 |
| 1. Pressure | Mass/volume | Specific gravity |
| 2. Density | Force/area | Decreases with increase in height above the sea level |
| 3. Atmospheric pressure | No unit | Useful to determine the purity of a substance |
| 4. Relative density | The pascal | Decreases with increase in area |
| Column I | Column II |
| 1. Thomson | a. Well defined orbits |
| 2. Rutherford | b. Neutron |
| 3. Chadwick | c. Scattering experiment |
| 4. Bohr | d. Electron |
| Bacterial diseases | Bacteria |
| 1. Typhoid | (a) Mycobacterium tuberculi |
| 2. Cholera | (b) Bacillus |
| 3. Diarrhoea | (c) Vibrio choleri |
| 4. Tuberculosis | (d) Salmonella typhi |
| Column ‘A’ | Column ‘B’ |
| 1. Copper | a. Low melting point |
| 2. Sodium | b. Liquid |
| 3. Magnesium | c. High melting point |
| 4. Boron | d. Conduction of heat |
| e. 2, 8, 2 |
| Column ‘A’ | Column ‘B’ |
| 1. Nucleus | a. Pipelines of the cell |
| 2. Endoplasmic reticulum | b. Powerhouse of the cell |
| 3. Golgi complex | c. Suicidal bags |
| 4. Mitochondria | d. Packing department |
| 5. Lysosomes | e. Controlling centre |
| S. No. | A | S. No. | B |
| (i) | Kharif crops | (a) | Food for cattle |
| (ii) | Rabi crops | (b) | Urea and superphosphate |
| (iii) | Chemical fertilisers | (c) | Animal excreta, cow-dung, and plant waste |
| (iv) | Organic manure | (d) | Wheat, gram, pea |
| (e) | Paddy and maize |
| Column 1 | Column II |
| 1. Milk | a. Alloy |
| 2. Lemonade | b. Colloid |
| 3. Sand and water | c. Solution |
| 4. Brass | d. Suspension |
| Column ‘A’ | Column ‘B’ |
| 1. Earthquake | a. Formation of artificial water reservoir |
| 2. Tsunami | b. Wildlife lost |
| 3. Forest fire | c. Loss of coastal regions |
| 4. Landslide | d. Change in the level of groundwater-table |