Uptake of Mineral Ions

Q. Select the correct statement with respect to minerals present in soil.

1. Minerals can move freely across the membrane.
2. Minerals do not require the aid of transporters.
3. Minerals in the soil are usually found dissolved in water.
4. Minerals are present in their elemental forms in the soil.

Q.

Specific ions are acquired by root hairs by the process of:

1. Simple diffusion

2. Osmosis

3. Active transport

4. Facilitated diffusion

Q. Not all minerals undergo remobilization in plants. Which of the following options substantiates the statement?

1. Phosphorous
2. Sulphur
3. Nitrogen
4. Calcium

Q. The intake of minerals into the cytoplasm of cells is

1. slow
2. active
3. pumps mediated
4. All of the above

Q. Concentration of minerals is higher

1. in the soil solution
2. outside the roots
3. inside the roots
4. in the phloem sap