NEET 2010 · Class 11

Morphology of Flowering Plants

Keel is characteristic of the flowers of

  1. (A)gulmohur
  2. (B)Cassia
  3. (C)Calotropis
  4. (D)bean

The NCERT line that answers it

Verbatim line

In pea and bean flowers, there are five petals, the largest (standard) overlaps the two lateral petals (wings) which in turn overlap the two smallest anterior petals (keel); this type of aestivation is known as **vexillary** or papilionaceous.

Chapter
Morphology of Flowering Plants
Section
5.5 THE FLOWER
Page
9
Words matched
38 of 38

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that bean flowers have a keel structure as part of their vexillary aestivation, directly answering the MCQ about which flower has keel characteristics.

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