Question
| Column A | Column B |
| Q.1. Grass | (a) Second |
| Q.2. Hare | (b) Third |
| Q.3. Snake | (c) First |
| Q.4. Eagle | (d) Fourth |
| Column A | Column B |
| Q.1. Grass | (a) Second |
| Q.2. Hare | (b) Third |
| Q.3. Snake | (c) First |
| Q.4. Eagle | (d) Fourth |
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| Column A | Column B |
| Q.1. Typhoid | (a) Virus (Influenza) |
| Q.2. Dengue | (b) Bacteria (Salmonella typhi) |
| Q.3. Flu | (c) Virus (Varicella-zoster) |
| Q.4. Chickenpox | (d) Virus (transmitted by mosquito) |
| Column I | Column II |
| (a) Friction produces | (i) Ceiling fan |
| (b) Lubricants | (li) Heat |
| (c) Soapy floor | (iii) Oil and grease |
| (d) Ball bearing | (iv) Rolling friction |
| (v) Less friction |
| Column A | Column B |
| Q.1. Oxygen | (a) Mixture of gases |
| Q.2. Sodium Chloride (NaCl) | (b) Element |
| Q.3. Air | (c) Compound |
| Q.4. Carbon | (d) Made of Sodium Chlorine |
| Column I | Column II |
| A. Coal gas | 1. Naphthalene balls |
| B. Coal tar | 2. Used for lightning processes |
| C. Coke | 3. Manufacture of steel |
| D. Coal | 4. Fossil fuel |
| Column A | Column B |
| Q.1. Positive and negative charges are created in the cloud by | (a) Atmospheric Pressure |
| Q.2. When positive and negative charges meet in clouds | (b) Track cyclones and predict their path |
| Q.3. Weather monitoring satellites | (c) Rubbing of strong winds blowing upwards and downwards |
| Q.4. The pressure exerted by air around us | (d) They cause lightning |
Column I | Column II |
(a) Audible frequency range | (i) More than 20 kHz |
(b) Normal breathing | (ii) 20 Hz to 20 kHz |
(c) Ultrasonic waves | (iii) 10 dB |
(d) Length of vocal cords in man | (iv) Frequency |
| (v) 20 mm long |
| Column I | Column II |
| A. Weedicides | 1. Cotton |
| B. Rabi season crop | 2. 2, 4-D |
| C. Kharif season crop | 3. Separating grains from chaff |
| D. Threshing | 4. Insect |
| 5. Pea |
| Column I | Column II |
| A. Coke | 1. Fuel for home |
| B. Good fuels | 2. Produce more energy |
| C. LPG | 3. Fractions of petroleum |
| D. Petrol and diesel | 4. Purest form of carbon |
| Clounm A | Column B |
| Q.1. Solar Eclipse | (i) More than half, but not full |
| Q.2. Gibbous Moon | (ii) The Moon appears thinner each night |
| Q.3. Moon reflects sunlight | (iii) Moon between Earth and Sun |
| Q.4. First Quarter | (iv) Reason we can see the Moon |
| (v) Half of the Moon is visible (right) |
| Column I | Column II |
| A. Budding | 1. Fertilised egg |
| B. Sperm | 2. Frog |
| C. Ovary | 3. Asexual reproduction |
| D. Zygote | 4. Male gamete |
| 5. Female organ |