Question
| Column A | Column B |
| Q.1. Tree | (a) Breaks down dead matter |
| Q.2. Deer | (b) Eats insects |
| Q.3. Vulture | (c) Performs photosynthesis |
| Q.4. Frog | (d) Eats grass and leaves |
| Column A | Column B |
| Q.1. Tree | (a) Breaks down dead matter |
| Q.2. Deer | (b) Eats insects |
| Q.3. Vulture | (c) Performs photosynthesis |
| Q.4. Frog | (d) Eats grass and leaves |
| Column A | Column B |
| 1. Tree | (c) Performs photosynthesis |
| 2. Deer | (d) Eats grass and leaves |
| 3. Vulture | (a) Breaks down dead matter |
| 4. Frog | (b) Eats insects |
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Column I | Column II |
| A. Sickle | 1. Ploughing |
| B. Hoe | 2. Sowing |
| C. Seed drill | 3. Harvesting |
| D. Root | 4. Irrigation |
| Column I | Column II |
| A. Used for road surfacing | 1. Black gold |
| B. Natural gas | 2. Vaseline and candles |
| C. Petroleum | 3. Bitumen |
| D. Paraffin wax | 4. CNG |
| 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. Satpura | 1. Protect animals |
| B. Deforestation | 2. Killing of animals |
| C. Global warming | 3. Cutting of trees |
| D.Poaching | 4. National park |
| 5. Increasing carbon dioxide |
| Column I | Column II |
| A. LPG | 1. Non-combustible |
| B. Iron nails | 2. Cheap fuel |
| C. Candle | 3. Cooking gas |
| D. Wood | 4. Flame |
| Column A | Column B |
| Q.1. Particulate matter | (a) Very large |
| Q.2. Matter is composed of | (b) Tiny particles suspended in the air |
| Q.3. The state of matter depends on | (c) Atoms 86 molecules |
| Q.4. Interparticle spacing in gases | (d) Temperature and Pressure |
| 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 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 A | Column B |
| Q.1. Population | (a) Grass → Grasshopper → Frog |
| Q.2. Community | (b) All deer in a forest |
| Q.3. Ecosystem | (c) All species in a pond |
| Q.4. Food Chain | (d) Pond with fish, plants, and water |