Agnatha is represented by which class

Select the set of classes which is best represented by the following venn diagram.

Which of the following class of proteins is represented by antigen presenting cells to express antigenic peptide to T helper cells?

Which of the following class of proteins is represented by antigen presenting cells to express antigenic peptide to T helper cells?

The number which represent class to which transphorphorylase belongs to

The number which represent class to which transphorphorylase belongs to

Which of the following statements is/are not true? (a) In urochordata, notochord is present in larval tail (b) In cephalochordata, notochord extends from head to tail region. ( c) Branchiostoma belongs to hemichordata (d) Only one class of living members, class Cyclostomata represents the super class agnatha

Write one feature of group agnatha. Write the name of its class and give example.

In a histogram, width of the rectangle represents _____ of the class and length of the rectangle represents ______ of the class.