Which of the following characteristic features were considered by R.H. Whittaker to withdraw fungi from kingdom plantae and elevate them to kingdom level?
(i) Type of reserve food
(ii) Heterotrophic mode of nutrition
(iii) Chitinous cell wall
(iv) Presence of loose tissues

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(i) and (ii) only

(ii) and (iii) only

(iii) and (iv) only

(i) and (iv) only

answer is B.

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Detailed Solution

In Linnaeus two kingdom system of classification, the presence or absence of a cell wall is the criteria. Accordingly, fungi were placed under the kingdom Plantae.

Whittaker withdrew Fungi from the plant kingdom and raised it to a kingdom level based on two major distinguishing features.
1. The nature of cell wall - Fungi, chitinous cell wall. Chitin is a complex polysaccharide, which is a modified sugar (N- acetyl glucosamine).
2. Mode of nutrition: Fungi is invariably heterotrophic.

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