The diagram below is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer the question.

which features of the diagram would have earned the student more marks if shown

A.

colour and size

B.

spelling the label and length of midrib

C.

habitat and agricultural qualities of leaf

D.

title and margin

Correct answer is D

No explanation has been provided for this answer.