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Morphology Of Flowering Plants

Question
CBSEENBI11002453
Wired Faculty App

Which one of the following is a xerophytic plant in which the stem is modified into the flag green and succulent structure? 

  • Opunita

  • Casuarina

  • Hydrilla

  • Acacia

Solution

A.

Opunita

opuntia is a plant growing in dry and xeric habitats.In this, the stem, having several nodes and internodes is modified into flat, fleshy, thick green,  leaf-like structure called phylloclades. Phylloclade performs the function of photosynthesis like a leaf and also stores food leaves get modified into spines which help to reduce transpiration.

Some More Questions From Morphology of Flowering Plants Chapter

Explain with suitable examples the different types of phyllotaxy.

Define the following terms:

(a) aestivation

Define the following terms:

(c) placentation

Define the following terms:

(c) actinomorphic

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

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