Question

Which one of the following is not a weed?

• A. Xanthium
• B. Amaranthus
• C. Chenopodium
• D. finger millet

Answer 1

The correct option is D

finger millet

The correct option is D.

Explanation of correct option:

1. Finger millet (Eleusine coracana) is an annual herb widely produced as a cereal crop in humid and semiarid areas of Africa and Asia.
2. It is also known as Ragi in India and Kodo in Nepal.
3. Dietary fiber in finger millet aids in the regulation of "bad" cholesterol, which can lead to heart illnesses such as atherosclerosis.
4. It is not a weed but a useful cereal crop plant.
5. A weed is an unwanted small plant or grass that grows with the main crop and competes with them for space and nutrition.

Explanation of incorrect options

Option A:

1. The annual weed Xanthium strumarium is propagated by water, humans, and other animals.
2. Soybeans, cotton, maize, and groundnuts are among the row crops where it is a serious weed.

Option B:

1. Amaranthus viridis is a global plant that grows in all warm climates.
2. In the tropics, subtropics, and warm temperate zones, it is among the most common weeds.
3. It's found in almost all of the world's warm temperate and tropical floras.

Option C:

1. Chenopodium album is a plant species that grows in distributed habitats all over the world.
2. It's a plentiful and invasive weed in crops sown in the spring season, especially if they keep their open structure for a long time.
3. Herbicides are currently used to control it in most crops.

Final Answer: finger millet is not a weed.