Question
| Column A | Column B |
| 1. Silver | a. Copper + tin |
| 2. Mercury | b. Medicines |
| 3. Platinum | c. Thermometer |
| 4. Brass | d. Catalyst |
| Column A | Column B |
| 1. Silver | a. Copper + tin |
| 2. Mercury | b. Medicines |
| 3. Platinum | c. Thermometer |
| 4. Brass | d. Catalyst |
Column ‘A’ | Column ‘B’ |
1. Silver | b. Medicines |
2. Mercury | c. Thermometer |
3.Platinum | d. Catalyst |
4. Brass | a. Copper + tin |
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| Column ‘A’ | Column ‘B’ |
| 1. < 8 MSun | a. Proton star |
| 2. between 8 and 25 times MSun | b. Black hole |
| 3. > 25 MSun | c. Neutron star |
| d. White dwarf |
| Column I | Column II |
| 1. Alpha particles | a. Inert element |
| 2. Uranium-235 | b. Negatively charged particles |
| 3. Helium | c. Positively charged particles |
| 4. Isotopes | d. Krypton – 92, Barium 141 |
| e. U-233, Th-232 | |
| f. ${ }^{12} C ,{ }^{13} C { }^{14} C$ |
| Column ‘A’ | Column ‘B’ |
| 1. Lead glass | a. Plates |
| 2. Bakelite | b. Mattresses |
| 3. Thermocol | c. Electric bulb |
| 4. Optic glass | d. Electric switch |
| 5. Polypropylene | e. Lens |
| Group A | Group B |
| 1. Tamarind | a. Acetic acid |
| 2. Curd | b. Citric acid |
| 3. Lemon | c. Tartaric acid |
| 4. Vinegar | d. Lactic acid |
| 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. 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 |
| Column A | Column B |
| 1. Borosilicate glass | a. Oxide of specific metal. |
| 2. Alkali silicate glass | b. Sand, soda, limestone, barium oxide and boron. |
| 3. Lead glass | c. Sand and soda. |
| 4. Optical glass | d. Sand, soda, limestone and lead oxide. |
| 5. Coloured glass | e. Sand, soda, boric acid and aluminium oxide. |
| 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 |
| Group ‘A’ | Group ‘B’ |
| 1. Heartbeats | a. 350 ml |
| 2. RBC | b. 7.4 |
| 3. WBC | c. 37° C |
| 4. Blood donation | d. 72 per min |
| 5. Normal body temperature | e. 50 – 60 lakh/mm3 |
| 6. pH of oxygenated blood | f. 5000 – 6000 per mm3 |