Biological Classification CDS Questions

CDS Biology

Biological Classification MCQ Questions


1.
The five-kingdom system of classification, comprising Monera, Protista, Fungi, Plantae, and Animalia, was proposed by:
A.
R.H. Whittaker (1969)
B.
Ernst Haeckel
C.
Carolus Linnaeus
D.
Carl Woese
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ANSWER :
A. R.H. Whittaker (1969)
2.
Kingdom Monera primarily consists of organisms that are:
A.
Acellular organisms only
B.
Prokaryotic, i.e., lacking a well-defined, membrane-bound nucleus
C.
Eukaryotic unicellular organisms only
D.
Eukaryotic multicellular organisms only
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ANSWER :
B. Prokaryotic, i.e., lacking a well-defined, membrane-bound nucleus
3.
Which kingdom in the five-kingdom system includes simple, mostly unicellular eukaryotic organisms that often show characteristics overlapping with plants, animals, and fungi?
A.
Monera
B.
Protista
C.
Fungi
D.
Plantae
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ANSWER :
B. Protista
4.
Organisms placed in kingdom Fungi are characterised by a cell wall composed mainly of:
A.
Pectin
B.
Chitin
C.
Cellulose
D.
Peptidoglycan
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ANSWER :
B. Chitin
5.
Which of the following best describes the typical mode of nutrition found among members of kingdom Fungi?
A.
Heterotrophic, mostly carried out through saprophytic (decomposer) or parasitic means
B.
Autotrophic, carried out through photosynthesis
C.
Autotrophic, carried out through chemosynthesis
D.
Mixotrophic, combining photosynthesis with active predation
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ANSWER :
A. Heterotrophic, mostly carried out through saprophytic (decomposer) or parasitic means
6.
Kingdom Plantae, as defined within the five-kingdom system, primarily comprises:
A.
Eukaryotic, multicellular, photosynthetic (autotrophic) organisms
B.
Prokaryotic, multicellular, photosynthetic organisms
C.
Eukaryotic, multicellular, heterotrophic organisms
D.
Eukaryotic, unicellular, photosynthetic organisms only
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ANSWER :
A. Eukaryotic, multicellular, photosynthetic (autotrophic) organisms