MCQs on Living World

MCQs on Living World

1. A group of plants and animals with similar traits of any rank is
a. Taxon
b. Species
c. Genus
d. Order

2. Which is less general in characters as compared to genus?
a. Family
b. Division
c. Class
d. Species

3. What is the correct sequence?
a. Genus-species-order-kingdom
b. Species-order-phylum-kingdom
c. Species-genus-order-phylum
d. Kingdom-phylum-class-order

4. Metabolism refers to
a. Release of energy
b. Gain of energy
c. Catabolism
d. Gain or release of energy

5. What is nomenclature?
a. Genus name is written after species
b. Genus and species names are written in italics
c. Genus and species have the same name
d. The first letter of genus and species name is capital

6. The term phylum was coined by
a. Linnaeus
b. Cuvier
c. Haeckel
d. Theophrastus

7. Binomial nomenclature was given by
a. Linnaeus
b. Hugo De Vries
c. John Ray
d. Huxley

8. Species found in different geographical locations are called
a. Sympatric species
b. Allopatric species
c. Sibling species
d. Morphospecies

9. What is a homonym?
a. Identical name of two different taxa
b. Two or more names of same taxon
c. Name given to a taxon in local language
d. Species name repeats the generic name

10. The biologically cohesive unit of taxa is
a. Phylum
b. Order
c. Genus
d. Species

11. The scientific name of mango is
a. Mangifera indica
b. Mangifera Indica
c. Mangifera indica
d. Mangifera Indica

12. Nicotiana is a ————-
a. Species
b. Sub-species
c. Genus
d. Class

13. Energy flow and energy transformation in a living system follow
a. Biogenetic law
b. Law of thermodynamics
c. Law of limiting factor
d. Liebig’s law of minimum

14. Energy transformation is never 100% efficient because of
a. Catabolism
b. Entropy
c. Homeostasis
d. Anabolism

15. The defining characteristic of living beings is
a. They reproduce
b. They can digest their food
c. They respond to external stimuli
d. They regenerate

Answer key