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Morphology Of Flowering Plants

Question
CBSEENBI11003076
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An obligate root parasite is

  • Rafflesia

  • Loranthus

  • Viscum

  • Striga

Solution

A.

Rafflesia

Obligate parasites are organisms that obtain their food from host throughout their life, eg, Rafflesia, Orobanche (root parasite).

Facultative parasites are organism which are parasitic but can obtain their food from dead organic matter under certain conditions.

Obligate root parasite Rafflesia, Orobanche etc

Partial root parasite Viscum, Loranthus etc

Obligate stem parasite Santalum

Partial stem parasite Cuscuta

Some More Questions From Morphology of Flowering Plants Chapter

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

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.

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