Translocation of Minerals

Q.

Which of the following elements is not remobilized from one part of the plant to another?

1. N & P

2. K & P

3. P, N & K

4. C A & S

Q. What is the transport of sugar from the leaf to the rest of the plant known as?

1. Translocation
2. Osmosis
3. Active transport
4. Transpiration

Q.

Assertion (A): Much of the nitrogen and small amounts of phosphorus and sulphur are carried in the organic form through the xylem.

Reason (R): Xylem transports only inorganic nutrients and phloem transports only organic nutrients.

1. Both A & R are true and R does not explain A

2. Both A & R are true and R explains A

3. A is true and R is false

4. Both A & R are false

Q. Explain transpiration pull comprising adhesion and cohesion in plants.

Q.

Mineral ions diffuse out of the xylem vessels at the fine vein ending and are passively taken up by the cells.

1. True

2. False