Living World MCQs and Answers with FREE PDF

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1. Which of the following combinations is correct for Wheat?

a) Genus Triticum, family Poaceae , order Poales, Class Dicotyledonae

b) Genus Triticum, family Poaceae , order Sapindales, class Monocotyledonae.

c) Genus Triticum, family Poaceae , order Poales, Class Moncotyledonae.

d) Genus Triticum , family Anacardiaceae, order Poales, class Monocotyledonae

2. Five kingdom system of classification suggested by R.H.Whittaker is not based on :

a) Mode of nutrition

b) Complexity of body organization

c) Presence of absence of a well-defined nucleus.

d) Mode of reproduction.

3. A group of plants and animals with similar traits of any rank is

a) Taxon

b) Species

c) Genus

d) Order

4. Which is less general in characters as compared to genus

a) Family

b) Division

c) Class

d) Species

5. A group of plants or animals with similar traits of any rank is

a) Species

b) Genus

c) Order

d) Taxon

6. Metabolism refers to

a) Release of energy

b) Gain of energy

c) Catabolism

d) Gain or release of energy

7. What is a 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

8. The term phylum was coined by

a) Linnaeus

b) Cuvier

c) Haeckel

d) Theophrastus

9. Binomial nomenclature was given by

a) Linnaeus

b) Hugo De Vries

c) John Ray

d) Huxley

10. Species found in different geographical locations are called

a) Sympatric species

b) Allopatric species

c) Sibling species

d) Morphospecies

11. 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

12. The biologically cohesive unit of taxa is

a) Phylum

b) Order

c) Genus

d) Species

13. The scientific name of mango is

a) Mangifera indica

b) Mangifera Indica

c) Mangifera indica

d) Mangifera Indica

14. Nicotiana is a ————-

a) Species

b) Sub-species

c) Genus

d) Class

15. 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

16. 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

17.  Energy transformation is never 100% efficient because of

a) Catabolism

b) Entropy

c) Homeostasis

d) Anabolism

18. 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

19. The label of a herbarium sheet does not carry information on :

a) Local names

b) Height of the plant

c) Date of collection

d) Name of collector

20. In fish Catla catla, the specific name is identical with the generic name. It is an example of

a) Autonym

b) Tautonym

c) Phylum

d) Species

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