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Morphology Of Flowering Plants

Question

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When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

vexillary

imbricate

twisted

valvate

Solution

B.

imbricate

Imbricate aestivation is the arrangements five petals being arranged in such a way that one petal is completely external and being another petal is completely internal, while three petals are partially external and partially internal,
e.g, Cassia, Callistemon and Caesalpinia

Some More Questions From Morphology of Flowering Plants Chapter

Define the following terms:

(d) zygomorphic

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.

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