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NEET 2010 Biology question

BiologyMorphology of Flowering PlantsNEET 2010

Consider the following four statements A, B, C and D select the right option for two correct statements. Statements : (A) In vexillary aestivation, the large posterior petal is called standard, two lateral ones are wings and 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 ⊕ ⚥ The Correct statements are

Answer: (3)

Solution

(A) True: in vexillary (papilionaceous) aestivation, as in the pea flower, the large posterior petal (standard or vexillum) overlaps the two lateral petals (wings or alae), which in turn overlap the two small anterior petals that are fused to form the keel (carina). (B) True: Liliaceae have regular (actinomorphic),

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Question ID VK-090408