Read the following statements and select the option that correctly identifies true (T) and false (F) ones.
(i) The number of petals and sepals in a flower is always equal.
(ii) Roots absorb water and minerals from the soil.
(iii) Stamen forms the innermost whorl of a flower.
(iv) Petiole is the short stalk attached to the leaf.
(v) Calyx and corolla form essential whorls of the plant.