Various types of transport mechanisms are needed to fulfil the mineral requirements of a plant. Why are they not fulfilled by diffusion alone?

How does respiration fulfil the energy requirements of an organism?

By eating rice alone,we can fulfil nutritional requirements of our body.

A manufacture make two types of toys A and B. three machines are needed for this purpose and the time required for each toy on the machines is given below: Each machine is available for a maximum of 6 hours per day. if hte profit on each type A is Rs.7.50 and that on each toy of type B is Rs.5. show that 15 toys of type A and 30 of type B should be manufactured in a day to get maximum profit.

How are water and mineral transported in plants?

Name the respective mineral nutrient element of plants that: Is needed in the synthesis of auxins.

A manufacturer makes two types of toys A and B. Three machines are needed for this pupose and the time (in minutes ) required for each toy on the machines is given below : Each machine is available for a maximum of 6 hours per day. If the profit on ech toy of type A is Rs 7.50 and that on each toy B is Rs 5, show that 15 toys of type A and 30 of type B should be manufactured in a day to gat maximum profit.

How are water and minerals transported in plants?

Name the tissue through which water and minerals are transported in plants.