Which of the following plants is monocarpic?

• A)

  Pea and Agave

b]Pea and Lemon

• C)

  Pear and Agave

• D)

  Lemon and Pear

The correct option is (a).
Monocarpic plants produce flowers and fruits only once and then they die.  Pea and Agave are monocarpic plants.