Consider the following four statements I, II, III and IV and select the right option.
I. The floral formula for Liliaceae is
P3 + 3 A3 + 3 +
II. In vexillary aestivation, the large posterior petal is called, standard, two lateral ones are wings and two small anterior petals are termed keel.
III. In pea flower the stamens are monoadelphous.
IV. The floral formula for Solanaceae is
K(3) C(3) A(14) +
The correct statements are
II and III
I and III
I and II
III and IV
Growth of stem in diameter is due to
apical cell
lateral meristem
apical meristem
intercalary meristem
B.
lateral meristem
The stem of plants increases in girth by lateral meristem. It increases the girth of the plant root or stem, rather than its length. As long as thelateral meristems continue to produce new cells, the stem or root will continue to grow in diameter.
Corm is an
underground vertical leaf
underground swollen stem
underground horizontal root
underground horizontal leaf
The petiole modified into flattened lamina like structure is present in
Acacia nilotica
Acacia arabica
Acacia australasia
Acacia auriculoformis