Absorption of Minerals

Q. Mineral ions & water are translocated via _______ , which is pulled by _______.

1. phloem, root pressure
2. xylem, transpiration stream
3. phloem, transpiration stream
4. xylem, root pressure

Q. Transpiration (loss of water) from aerial parts of the plants would facilitate

1. Apoplastic movement of ions only
2. Symplastic movement of ions only
3. Both apoplastic and symplastic movement
4. None of the above

Q. Active absorption occurs the concentration gradient whereas passive absorption occurs the concentration gradient.

1. against
2. towards
3. inside
4. outside