Choose the correct option depicting the floral formula of the diagram given below

• Br$\oplus$$⚥$P_{3 + 3} A_{3 + 3} $\underline{\mathrm{G}}$₍₃₎

• Br$\oplus$$⚥$Epi_{5 - 7} K₍₅₎ C₅ A_($\infty$) $\underline{\mathrm{G}}$₍₅₎

• Ebr $\oplus$$⚥$K_{2 + 2} C₄ A_{2 + 4} $\underline{\mathrm{G}}$₍₂₎

• % $\oplus$$⚥$K₅ C₅ A_{7 + 3} $\underline{\mathrm{G}}$₍₁₎

Tendrils exhibit

• seismonasty

• geotropism

• heliotropism

• thigmotropism

203.

Which of the following groups of plants are propagated through underground root?

• Pistia, Chrysanthemum and pineapple

• Ginger, potato, onion and zamikand

• Sweet potato, Asparagus, Tapioca and dahlia

• Bryophyllum and Kalanchoe

Artificial induction ofroots on stems before it is separated from the parent plant for propagation is called

• layering

• root-stem joint

• cutting

• plant tissue culture

Consider the following four statements I, II, III and IV and select the right option.

I. The floral formula for Liliaceae is

$\oplus$$⚥$P_{3 + 3} A_{3 + 3} + $\underline{{\mathrm{G}}_3}$

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

$\oplus$$⚥$K₍₃₎ C₍₃₎ A₍₁₄₎ + $\underline{{\mathrm{G}}_{\left(2\right)}}$

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

Corm is an

• underground vertical leaf

• underground swollen stem

• underground horizontal root

• underground horizontal leaf

Which of the following plants are all roots?

• Podostemon

• Lemna

• Wolffia

• Utricularia

The petiole modified into flattened lamina like structure is present in

• Acacia nilotica

• Acacia arabica

• Acacia australasia

• Acacia auriculoformis

Feathery stigma belongs to

• Wheat

• pea

• Datura

• Caesalpinia