DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage-1 If you look at a leaf carefully you can easily see some lines on the leaf. These lines are called veins. In some cases you can see a thick vein in the middle of the leaf. This vein is called midrib. The design made by veins is called the leaf venation. Veins of a leaf can be seen on

• A. lamina of leaf
• B.  petiole of leaf
• C. Both [a] and [b]
• D. All of the above are correct