When any plane passing through the central axis of the body divides the organism into two identical halves , then this is called

When any plane passing through the central axis of the of the body divides the organism into two identical halves, it is radial symmetry. Which of the following set of animals has radial symmetry ?

When any plane passing through the central axis of the of the body divides the organism into two identical halves, it is radial symmetry. Which of the following set of animals has radial symmetry ?

When any plane passing through the central axis of body and divides the animal into two identical halves. It is called as ________

When a line divides the given figure into two identical halves then the line is called .

If a cone is cut into two parts by a horizontal plane passing through the mid point of the axis, the ratio of the volumes of the upper part and the cone is