Question

1. List the three primary functions of root.
2. Mention four purposes for which the plants need water.
3. Where are the mineral nutrients mostly used in plants?
4. List three main characteristics of the roots
that enable them to draw water from the soil.​

Answer 1

Answer:

1) A root's four major functions are 1) absorption of water and inorganic nutrients, 2) anchoring of the plant body to the ground, and supporting it, 3) storage of food and nutrients, 4) trans locating water and minerals to the stem.

Explanation:

question no. 2 - Plants need water to germinate. We saw this with our bean in a jar. ...

Photosynthesis. Photosynthesis is the process by which plants make energy to grow. ...

Nutrient transfer. Plants need water to absorb nutrients from the soil.

Transpiration. ...

Suitable for Key Stage 1 – Living things and their habitats.

Answer 2

1)

(i)Fix the plant in the soil

(ii)Absorb water and mineral nutrients from soil

(iii)Conduct them into the stem for supply to the leaves, flowers,fruits etc.

2)

Photosynthesis

Transpiration

Transportation

Mechanical stiffness(turgidity)

3)

Some of the mineral nutrients are absorbed as salts and some simply as ions

4)

(i)Huge surface area of roots

(ii)Root hairs contain cell sap, of a higher concentration than that of the surrounding water

(iii)Root hairs have thin walls.

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