NEET · Biology · STD 11 - 2. Biology classification

Each of the following characteristics represent a Kingdom proposed by Whittaker. Arrange the following in increasing order of complexity of body organization.
A. Multicellular heterotrophs with cell wall made of chitin.
B. Heterotrophs with tissue/organ/organ system level of body organization.
C. Prokaryotes with cell wall made of polysaccharides and amino acids.
D. Eukaryotic autotrophs with tissue/organ level of body organization.
E. Eukaryotes with cellular body organization.
Choose the correct answer from the options given below :

A A, C, E, B, D
B C, E, A, D, B
C A, C, E, D, B
D C, E, A, B, D

Verified Solution

Answer & Solution

Correct Answer

(B) C, E, A, D, B

Step-by-step Solution

Detailed explanation

Increasing order of complexity of body organisation in the kingdom given by R.H. Whittaker is as follows-
C. Monera-Prokaryotes with cell wall made up of polysaccharide.
\(\downarrow\)
E. Protista - Unicellular eukaryotes.
\(\downarrow\)
A. Fungi -Multicellular heterotrophic with cell wall made up of chitin.
\(\downarrow\)
D. Plantae - Eukaryotes autotrophs with tissue body organisation.
\(\downarrow\)
B. Animalia - Heterotrophs with tissue organ/system of body organisation
Correct sequence is \(C, E, A, D, B\).

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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