Root Hair

Q.

What is the use of root hairs in the plant? Why do plants have root hairs?

Q.

Write any four characteristics of root hair.

Q.

Paheli uprooted a rose plant from the soil. Most of the root tips, with root hairs got left behind in the soil. She planted it in a pot with new soil and watered it regularly. Will the plant grow or die? Give reason for your answer.

Q.

Water will be absorbed by root hair when

1. Concentration of solutes in the cell sap is high

2. Plant is rapidly respiring

3. They are separated from soil by a permeable membrane

4. The concentration of salts in the soil is high

Q.

Which of the following is directly responsible for taking up water from the soil in plants?

1. Fruits

2. Leaves

3. Root hairs

4. Stem

Q. Which of the following is directly responsible for taking up water from the soil in plants?

1. Fruits
2. Leaves
3. Root hairs
4. Stem

Q. Describe steps involved in root nodules

Q. Water will be absorbed by root hair when:

1. Concentration of solutes in the cell sap is high.
2. Plant is rapidly respiring.
3. They are separated from soil by a permeable membrane.
4. The concentration of salts in the soil is high.

Q. Which of the following is directly responsible for taking up water from the soil in plants?

1. Fruits
2. Leaves
3. Root hairs
4. Stem

Q. In the T.S. of root shows

1. Metaxylem is towards inside and protoxylem towards outside
   
2. Both A and B
3. Protoxylem and metaxylem are not present on same radius
4. Protoxylem towards inside and metaxylem towards outside

Q. Alice uprooted a rose plant from the soil. Most of the root tips, with root hairs got left behind in the soil. She planted it in a pot with new soil and watered it regularly. Which of the following situations cannot occur?

1. New soil type can lead to the death of the plant.

2. None of these

3. Stem of the rose plant may grow new roots/plants.
4. Plant will die as it won't be able to absorb minerals.