Q. Which of the following is/are correctly matched?

1. Plough- loosening of soil
2. Hoe- turning up the soil
3. Seed-drill- sowing seeds
4. Harrow- removing weeds

Select the correct answer from the codes given below:
Answer: Only 1, 3, and 4
Notes: The plough is used for loosening and turning of the soil. Ploughs are made of wood or iron. Traditional plugs made of wood or iron are driven by animals or by a tractor. Tractor driven plough is called cultivator. Instrument called hoe is used for removing weeds and loosening of soil. A seed drill is used for sowing the seed. The seed drill sows the seed uniformly at proper distances and depth. Trowel and Harrow are used for loosening the soil and removing the weeds simultaneously.