The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining

Organs that have the same basic structure but perform different functions are known as .......

Two organs which are similar in structure and origin,but not necessarily in function are called:

Which of the following groups in human anatomy consists only of vestigial organs?

Which of the following statements is not true?

Choose the correct statements with reference to organic evolution.
$I.$ Flippers of whale and wings of bat exhibit analogy.
$II.$ Wings of butterfly and wings of bird exhibit homology.
$III.$ Organs with dissimilar structure are called analogous organs.
$IV.$ Organs with similar structure and origin are called homologous organs.