Primary Function of Roots in a Plant

The primary function of roots in a plant is the transportation of water and minerals. Roots are one of the essential parts of a plant and play a crucial role in its overall growth and development. They are found below the ground and are typically hidden from view. Let's understand the primary function of roots in plants in detail:

1. Absorption of Water and Minerals:
One of the main functions of roots is to absorb water and minerals from the soil. The root hairs, which are tiny projections on the surface of the roots, greatly increase the surface area for absorption. Water, along with dissolved minerals, is absorbed by the root hairs and transported to the rest of the plant through the root system. This process is vital for the survival and growth of the plant.

2. Anchoring and Support:
Roots also provide support and anchorage to the plant. They penetrate deep into the soil, anchoring the plant firmly and preventing it from being uprooted by wind or other external forces. The root system helps to stabilize the plant and keep it upright, especially in tall and heavy plants.

3. Storage of Food:
In some plants, roots also serve as a storage organ for excess food. They store carbohydrates and other nutrients that are produced by the plant during the process of photosynthesis. These stored reserves can be used during periods of low energy availability, such as winter or drought, to support the plant's growth and survival.

4. Transport of Water and Nutrients:
Roots act as a conduit for the transport of water and nutrients from the soil to the rest of the plant. Once water and minerals are absorbed by the root hairs, they move through the root system via specialized tissues called xylem and phloem. Xylem transports water and minerals from the roots to the leaves, while phloem transports sugars and other organic compounds from the leaves to the rest of the plant.

Conclusion:
In conclusion, the primary function of roots in a plant is the transportation of water and minerals. They absorb water and minerals from the soil, provide support and anchorage to the plant, store excess food, and facilitate the transport of water and nutrients throughout the plant. Without roots, plants would not be able to survive and thrive in their environments.

I think it would be support option b
because roots absorbs water and minerals. transportation is by stem