Question

In single celled animals the food is taken
a) By the entire body surface
b) Mouth
c) Teeth
d) Vacuoles

Answer 1

In single celled animals the food is taken by the entire body surface . It is worked in the organism which consists of only one cell in the part .

Here the main group of unicellular organism are well trained bacteria , unicellular and much more .

Hence it provides additional categories with no trouble of it.

Answer 2

Answer :

Option (A)

Single celled organisms viz. Amoeba takes up the food with the help of special extensions (pseudopodia) present on its entire body surface. These pseudopodia forms food vesicle upon fusion with food .

Similarly, Paramecium takes the help of cilia on its body surface for the update of the food. The process of uptake of food by the living organisms becomes more complicated in multicellular organisms.