Classification of Living Organisms
Biological Classification MCQs
1. Which of the following organisms can be found in extreme saline conditions?
a. Eubacteria
b. Archaebacteria
c. Cyanobacteria
d. Mycobacteria
2. Linnaeus used which kingdom of classification?
a. Artificial system
b. Natural system
c. Phylogenetic system
d. Asexual system
3. Smallest taxon of classification is _______.
a. Kingdom
b. Family
c. Variety
d. Species
4. In which of the following kingdom are Archaea and Nitrogen-fixing organisms classified?
a. Animalia
b. Plantae
c. Monera
d. Fungi
5. Bentham and Hooker gave which system of classification?
a. Numerical
b. Phylogenetic
c. Artificial
d. Natural
6. What is the main basis of classification in the five-kingdom system?
a. Structure of the nucleus
b. Structure of cell wall
c. Asexual Reproduction
d. Mode of Nutrition
7. Which of the following statements is false about the fungi?
a. They are eukaryotes
b. They are heterotrophs
c. They possess a purely cellulosic cell wall
d. None of the above
8. African Sleeping Sickness is caused by _______.
a. Trypanozoma cruzi
b. T. Tangela
c. T. rhodesiense
d. T. gambiense
9. Linnaeus evolved a system of nomenclature called _______.
a. Vernacular
b. Monomial
c. Polynomial
d. Binomial
10. What is a taxon?
a. A group of related families
b. A type of living organisms
c. A group of related species
d. A group of any ranking
Answer Key
1- b 2- a 3- d 4- c 5- d 6- d 7- c 8- d 9- d 10- d
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