+91-8076753736[email protected]
logo
logo
-->

Morphology Of Flowering Plants

Question
CBSEENBI11002288
Wired Faculty App

Keel is the characteristic feature of flower of

  • Tulip

  • Indigofera

  • Aloe

  • Tomato

Solution

B.

Indigofera

Keel is petal is vexillary aestivation, which is a characteristic of family -  Fabaceae, i.e. Indigofera tomato belongs to family - Solanaceae, tulip and while aloe to Liliaceae.
Papilionaceae (e.g. Indigofera, pea) is sub-family of Fabaceae, which has bilateral symmetry with corolla consist of 5 petals. It follows vexillary aestivation. A single upper posterior petal is known as banner.  Two lateral compressed petals called wings and a pair of anterior small fused petal forms keel. Keel has concave sides which make them fused at bases. 

Hence, keel is the characteristic feature of flower of family - Papilionaceae. e.g. Indigofera.

Some More Questions From Morphology of Flowering Plants Chapter

Define the following terms:
(e) superior ovary

Define the following terms:
perigynous flower

Define the following terms:
epipetalous stamen

Define the following terms:

(a) Racemose and cymose inflorescence

Define the following terms:
(b) Fibrous root and adventitious root

Define the following terms:
(c) Apocarpous and syncarpous ovary

Draw the labelled diagram of the following:
(i) Gram seed     (ii)    V.S. of maize seed

Describe modifications of stem with suitable examples.

Take one flower each of the families Fabaceae and Solanaceae and write its semi-technical description. Also draw their floral diagram after studying them.

Describe the various types of placentations found in flowering plants.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation