Living World MCQs Multiple Choice Questions with Answers

1. Which of the following features is shared by all living organisms?
a. Cell wall
b. DNA or RNA
c. Meiosis
d. Membrane bound organelles
Answer: b. DNA or RNA

2. Which of the following is utilized by all living organisms?
a. CO2
b. Oxygen
c. ADP as cellular energy
d. A triplet genetic code to produce proteins
Answer: d. A triplet genetic code to produce proteins

3. Which of the following is the defining feature of all the living organisms?
a. Growth
b. Metabolism
c. Reproduction
d. Self-consciousness
Answer: b. Metabolism

4. The number of common characteristics are the maximum in which of the following taxon?
a. Class
b. Order
c. Family
d. Phylum
Answer: c. Family

5. As we go from species to the kingdom in a taxonomic hierarchy; the number of common characteristics will:
a. Remains constant
b. Increase
c. Decrease
d. May increase or decrease
Answer: c. Decrease

6. Where is the famous botanical garden “Kew” located?
a. England
b. Lucknow
c. Berlin
d. Australia
Answer: a. England

7. The Birds taxonomically represent:
a. Family
b. Order
c. Class
d. Phylum
Answer: c. Class

Recommended: Living World Practice Test

8. Who is known as the Darwin of the 20th century?
a. Julian Huxley
b. Carlous Linnaeus
c. Whittaker
d. Ernst Mayr
Answer: d. Ernst Mayr

9. Which of the Following taxonomic aid provides information for the identification of names of species found in an area?
a. Monograph
b. Manual
c. Memoir
d. Periodical
Answer: b. Manual

10. The family Felidae includes:
a. Cats
b. Tigers
c. Lions
d. All of these
Answer: d. All of these

11. The term Taxon is used for:
a. The ranks of species and genus
b. Any rank of taxonomic hierarchy
c. The species epithet
d. The ranks up to phylum
Answer: b. Any rank of taxonomic hierarchy

12. Which of the following is the assemblage of families with common features?
a. Class
b. Phylum
c. Genus
d. Order
Answer: d. Order

13. Choose the incorrectly associated pair from the following:
a. Hydra-Budding
b. Flatworm-regeneration
c. Amoeba-fragmentation
d. Yeast-budding
Answer: c. Amoeba-fragmentation

14. Non-living objects exhibit:
a. Property of self-reproduction
b. Evolution
c. Self-regulating interactive system
d. Reversible growth
Answer: d. Reversible growth

15. Which of the following is less general in characters as compared to genus
a. Species
b. Division
c. Class
d. Family
Answer: a. Species

16. “Taxon” is the unit of which of the following?
a. Order
b. Taxonomy
c. Species
d. Genes
Answer: b. Taxonomy

17. Who coined the term phylum specifically for animals?
a. Charles Darwin
b. Ernst Haeckel
c. Theophrastus
d. Linnaeus
Answer: b. Ernst Haeckel

18. A group of plants or animals with similar traits of any rank is:
a. Taxon
b. Species
c. Order
d. Genus
Answer: a. Taxon

19. Choose the correct sequence of taxonomic categories:
a. Division, class, family, tribe, order, genus, species
b. Phylum, order, class, tribe, family, genus, species
c. Division, class, order, family, tribe, genus, species
d. Class, phylum, tribe, order, family, genus, species
Answer: c. Division, class, order, family, tribe, genus, species

20. Energy flow and energy transformations in the living system strictly conform to the:
a. Biogenetic law
b. Law of limiting factor
c. Law of thermodynamics
d. Liebig’s law of minimum
Answer: c. Law of thermodynamics

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