How do plants absorb nutrients from the soil?

• A. Through their stems
• B. Through their roots
• C. Through their leaves
• D. Through their flowers

Answer: (B)

Plants absorb nutrients from the soil primarily through their roots. The roots are designed to take in water and essential minerals that are dissolved in the soil. They have tiny root hairs that increase the surface area, allowing for more efficient absorption. Once the roots have absorbed these nutrients, they are transported up through the plant to support various functions like growth, flowering, and fruit production.

In contrast, while stems serve the important function of supporting the plant and transporting nutrients and water between the roots and leaves, they do not directly absorb soil nutrients. Leaves play a crucial role in photosynthesis by capturing sunlight and taking in carbon dioxide, while flowers are involved in reproduction and do not contribute to nutritional absorption. Hence, the root system is the key component in the uptake of nutrients from the environment.