1) The movement of molecules into and out of the body or cells of an organism is called…..
a) circulation
b) digestion
c) transport
d) all of these
2) The organs responsible for transport in unicellular and simple multicellular organisms are…….
a) vessels
b) lacteal
c) special ducts
d) no organ
3) The mechanism for transport in unicellular and simple multicellular organisms are……
a) diffusion
b) active transport
c) circulation
d) both a and b
4) Each and every cell of the body requires…….
a) food
b) CO2
c) oxygen
d) both a and c
Transport in Plants:
5) In plants, water and salts are transported from roots to shoots through the …….
a) xylem
b) phloem
c) mesophyll
d) all of
these