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Question

How many kingdoms in Whittaker’s five kingdom classification system exhibit both autotrophic as well as heterotrophic mode of nutrition?


A

4

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B

2

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C

1

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D

3

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Solution

The correct option is B

2


The correct option is B:

Explanation of the correct option:

  1. The five-kingdom classification was proposed by R. H. Whittaker. Living organisms are classified into five kingdoms in this classification: Monera, Protista, Fungi, Plantae, and Animalia.
  2. Cell structure, body organisation, mechanism of nourishment and reproduction, and phylogenetic links were the major factors for the five-kingdom classification.
  3. Monera and protista, two of the five kingdoms, comprised both autotrophic and heterotrophic organisms.

Explanation of the incorrect option:

Option A:

Fungi and animalia were the only kingdoms with heterotrophic organisms, whereas plantae had only autotrophic organisms.

Option C:

Monera and protista, two of the five kingdoms, comprised both autotrophic and heterotrophic organisms

Option D:

Fungi and animalia were the only kingdoms with heterotrophic organisms, whereas plantae had only autotrophic organisms.

Final answer: 2 kingdoms in Whittaker’s five kingdom classification system exhibit both autotrophic as well as heterotrophic mode of nutrition


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