Question
| Column ‘A’ | Column ‘B’ |
| 1. Flute | a. Frequency less than 20 Hz |
| 2. Frequency | b. Frequency more than 20,000 Hz |
| 3. Sound level | c. Vibrations in the air |
| 4. Ultrasonic sound | d. Measured in Hz |
| 5. Infrasonic sound | e. Decibel |
| Column ‘A’ | Column ‘B’ |
| 1. Flute | a. Frequency less than 20 Hz |
| 2. Frequency | b. Frequency more than 20,000 Hz |
| 3. Sound level | c. Vibrations in the air |
| 4. Ultrasonic sound | d. Measured in Hz |
| 5. Infrasonic sound | e. Decibel |
| Column ‘A’ | Column ‘B’ |
| 1. Flute | c. Vibrations in the air |
| 2. Frequency | d. Measured in Hz |
| 3. Sound level | e. Decibel |
| 4. Ultrasonic sound | b. Frequency more than 20,000 Hz |
| 5. Infrasonic sound | a. Frequency less than 20 Hz |
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| Column ‘A’ | Column ‘B’ |
| 1. Radiation | a. convection current |
| 2. Black body | b. conduction |
| 3. Vibration | c. absorbs more heat |
| 4. A rotating paper lantern | d. no medium |
| Column A’ | Column B’ |
| 1. Salivary gland | a. Making food acidic |
| 2. Liver | b. Regulation of sugar level |
| 3. Pancreas | c. Digestion of carbohydrates |
| 4. Stomach | d. Digestion of protein, fats, carbohydrate |
| Column ‘A’ | Column ‘B’ |
| 1. Saptarshi | a. Divided into 88 constellations |
| 2. Mmg nakshatra. | b. In the north direction. |
| 3. Orion | c. Group of 7 bright stars (kite) |
| 4. Vrushchik | d. Made up of 5 bright stars (M) |
| 5. Pole star | e. 7 – 8 stars. |
| 6. Celestial sphere | f. Group of 10 -12 stars |
| Column ‘A’ | Column ‘B’ |
| 1. Like charges | a. gold leaf electroscope |
| 2. Unlike charges | b. lightning conductor |
| 3. Copper strip | c. attraction |
| 4. Gold leaves. | d. repulsion |
| Column ‘A’ | Column B’ |
| 1. Saliva | a. Gastric juice |
| 2. Juice in mouth | b. Bile |
| 3. Juice produced by stomach | c. Ptyalin |
| 4. Juice stored by gall bladder | d. Lubricates food |
| Column ‘A’ | Column ‘B’ |
| 1. Photosynthesis | a. Physical change. |
| 2. Dissolving sugar in water | b. Chemical change |
| 3. Burning of wood | c. Man-made change. |
| 4. Melting of wax | d. Periodic changes. |
| 5. Digestion of food | e. Non-periodic change |
| 6. Heartbeat | f. Chemical change. |
| 7. Occurrence of earthquake. | g. Physical change. |
| 8. Deforestation | h. Chemical change. |
| Column ‘A’ | Column ‘B’ |
| 1. Air | a. Excretion |
| 2. Water | b. Scattering of light |
| 3. Soil | c. Plasticity |
| Column ‘A’ | Column ‘B’ |
| 1. Velocity | a. Litre |
| 2. Area | b. Kilogram |
| 3. Volume | c. metre/second |
| 4. Mass | d. kilogram/cubic metre |
| 5. Density | e. square metre |
| Column ‘A’ | Column B’ |
| 1. Stainless steel | a. Non-metal |
| 2. Silver | b. Compound |
| 3. Bhajani mixture for milling | c. Mixture |
| 4. Salt | d. Element |
| 5. Coal | e. Alloy |
| 6. Hydrogen | f. Metal |
| Column A’ | Column B’ |
| 1. Leaf-tip | a. petiole |
| 2. Edge of leaf blade | b. leaf margin |
| 3. Portion of leaf attached to stem | c. lamina |
| 4. Stalk of leaf | d. leaf apex |
| e. leaf base |