Unit of Measurement of Land

There are several units of measurement of land used across the world, and they vary from country to country. However, some of the standard units of measurement of land are as follows:

1. Hectare:
- A hectare is a metric unit of measurement of land.
- It is used to measure large areas of land, such as agricultural land, forests, parks, etc.
- One hectare is equal to 10,000 square meters or 2.471 acres.

2. Acre:
- An acre is a unit of measurement of land commonly used in the United States, Canada, and the United Kingdom.
- It is used to measure small to medium-sized areas of land, such as residential plots and farmland.
- One acre is equal to 4,840 square yards, 43,560 square feet, or 0.4047 hectares.

3. Bigha:
- Bigha is a traditional unit of measurement of land used in India, Bangladesh, and Nepal.
- It is used to measure agricultural land, and the size of a bigha varies from region to region.
- In India, one bigha is equal to 1,600 square yards or 0.1338 hectares.

4. Guintha:
- Guintha is a unit of measurement of land used in some parts of India, such as Kerala and Tamil Nadu.
- It is used to measure small plots of land, such as residential plots and gardens.
- One guintha is equal to 121 square yards or 101 square meters.

Conclusion:
Hence, the correct answer to the given question is option 'B', which states that a hectare is a standard unit of measurement of land.