Question
| Column ‘A’ | Column ‘B’ |
| 1. Inclined plane | a. Needle |
| 2. Pulley | b. Screw |
| 3. Wedge | c. Crane |
| Column ‘A’ | Column ‘B’ |
| 1. Inclined plane | a. Needle |
| 2. Pulley | b. Screw |
| 3. Wedge | c. Crane |
| Column ‘A’ | Column ‘B’ |
| 1. Inclined plane | b. Screw |
| 2. Pulley | c. Crane |
| 3. Wedge | a. Needle |
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| Column ‘A’ | Column ‘B’ |
| 1. Rolling object | a. Heat energy |
| 2. Food | b. Atomic energy |
| 3. Stretched bow | c. Kinetic energy |
| 4. Sunlight | d. Potential energy |
| 5. Uranium | e. Chemical energy |
Column ‘A’ | Column ‘B’ |
1. Lower jaw | a. Movable joint |
2. Ears | b. Femur |
3. Thigh | c. Movable joint in skull |
4. Elbow | d. Smallest bone |
| Group ‘A’ | Group ‘B’ |
| 1. Galaxy | (a) From east to west |
| 2. Comet | (b) 33 satellites |
| 3. Sun-like star | (c) Spiral |
| 4. Saturn | (d) Sirius |
| 5. Venus | (e) Halley |
| Column ‘A’ | Column ‘B’ |
| 1. Pair of Scissors | a. Third order of lever |
| 2. Tongs | b. Second order of lever |
| 3. Opener | c. First order of lever |
Column ‘A’ | Column ‘B’ |
1. Boiling water | a. > 35° C |
2. Body temperature | b. 0° C |
3. Freezing water | c. < 5° C |
4. Air (summer afternoon) | d. < 15° C |
5. Inside a fridge | e. < -18° C |
6. Air (winter night) | f. 100° C |
7. Inside the freezer | g. 37°C |
Column ‘A’ | Column ‘B’ |
1. Vitamin A | a. Scurvy |
2. Vitamin C | b. Excessive bleeding |
3. Vitamin D | c. Skin disorders |
4. Vitamin E | d. Nightblindness |
5. Vitamin K | e. Rickets |
Column ‘A’ | Column ‘B’ |
1. Carbohydrates | a. resistance to diseases |
2. Proteins | b. energy |
3. Fibre | c. growth |
4. Vitamins | d. excretion |
Group ‘A’ | Group ‘B’ | Group ‘A’ | Group ‘B’ |
1. Carbon dioxide | a. Generation of soil | 1. Carbon dioxide | a. Generation of soil |
2. Oxygen | b. Rain | 2. Oxygen | b. Rain |
3. Water vapour | c. Plants and food production | 3. Water vapour | c. Plants and food production |
Column ‘A’ | Column ‘B’ |
1. Responsiveness to stimuli | a. plants shed leaves in Autumn |
2. Respiration | b. seeds sprout when sowed in soil |
3. Excretion | c. petals of lotus close when sun sets |
4. Reproduction | d. oxygen is taken in through moist skin in earthworms. |
Group ‘A’ | Group’B’ |
1. Argon | a. temperature for obtaining low |
2. Neon | b. Used in electric bulb |
3. Xenon | c. Decorative lights |
4. Chlorofluoro – carbon | d. Flash photography |
5. Helium | e. Ozone depletion |