Q.1 What is translocation?
Ans. TRANSLOCATION
The movement of substances through the conducting or vascular tissue of plants is called translocation.
Xylem translocates mainly H2O, mineral salts, organic substances and hormones from the roots to the aerial parts of plants.
Phloem translocates variety of organic and inorganic solutes, mainly from the leaves or storage organs to other parts of plants.
Q.2 Define transport. What is the importance of transport in living bodies?
Ans. TRANSPORT
“The movement of any object from one place to another with help or without help of other body is known as transport”.
Importance: Living cells or living bodies have reservoirs of making and breaking of different chemicals. These chemicals are formed or broken down in different chemical reactions. Energy is also obtained in such reactions. Maintenance of life taking of specific chemicals and removal of certain chemicals are essential. For these purposes transport is compulsory process.
In unicellular, transport is very easy and simplest. In multicellular, division of labour of different tissues or organs are found and transport is complex.
