NEET 2010 · Class 11

Morphology of Flowering Plants

Keel is characteristic of the flowers of (2010)

  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 in bean flowers, the two smallest anterior petals are called the keel, which directly answers the question about keel being characteristic of bean flowers.

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Question text is reproduced from the published NEET 2010 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.