Question

Why do root hair have special shape?

Answer 1

Answer:

Root hair are long tubular-shaped outgrowths from root epidermal cells.Because they vastly increase the root surface area and effectively increase the root diameter, root hairs are generally thought to aid plants in nutrient acquisition, anchorage, and microbe interactions.

Answer 2

To obtain water from the soil.

Explanation:

• Root hairs are tubular-shaped outgrowth of root epidermis. They are adapted to have this shape because it increase the surface area of root hairs that helps in increasing osmosis of water.  
• Apart from water they also take up the salts and other nutrients that are required for plant growth. Root hairs also helps plant to anchor and interacts with beneficial microbes.
• Root hairs do not contain chloroplast therefore in root hairs no photosynthesis takes place. So the main function of root hair special shape is to absorb water and nutrient.

Learn more about root hairs

• Root hair diagram: https://brainly.in/question/12020617
• difference between root hair and shoot hair: https://brainly.in/question/14325196