question_answer

Consider the following four statements A, B, C and D and select the right option for two correct statements.

[a] In vexillary aestivation, the large posterior petal is called-standard, two lateral ones are wings arid two small anterior petals are termed keel.

[b] The floral formula for Liliaceae is

[c] In pea flower, the stamens are monadelphous.

[d] The floral formula for Solanaceae is

 

A)  A and C                               

B)  A and B                 

C)  B and C                      

D)  C and D

Correct Answer: B

Solution :

In vexillary aestivation (eg, papilionaceous plants), the large posterior petal is called standard, two lateral ones are wings and two small anterior petals are termed keel. General floral formula for family-Liliaceae is In pea flower, the stamens are diadelphous, ie, anthers remain free, while filaments unite to form two separate bundles. The    general    floral    formula    for family-Solanaceae is