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Question

The plant that lacks chlorophyll and obtains its nutrition from other plants is ____________.

A
Calotropis
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B
Cuscuta
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C
Balanus
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D
Chthamalus
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Solution

The correct option is B Cuscuta
Parasitism is a type of population interaction between two living species in which one organism (the parasite) lives on and derives nutrition from another specific organism (the host).

Cuscuta is a parasitic plant that parasitises hedge plants (planted along the border like Bougainvillea). It lacks chlorophyll and leaves. It produces specialised root-like structures called haustoria that penetrate the host vascular tissues to derives nutrition. Hence option b is correct.

Calotropis is an autotrophic plant that produces poisonous substances as a means of protection from herbivores.

Balanus and Chthamalus are barnacles. They belong to the phylum Arthropoda and is therefore not a plant.


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