Features of Living Beings, Diversity in the Living World, Class 11 Biology NCERT Solutions

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. Mixture of yeast, sugar and water was taken in a test tube. After one hour, bubbles were observed in the mixture. The formation of bubbles was due to

  Respiration

 Photosynthesis

 Digestion

 Excretion

Question 1 of 20

2. Binomial nomenclature usually consists of words/parts of

 Five

 Two

 Three

 One

Question 2 of 20

3. In nomenclature,

 The genus is written after the species.

  Genus and species may be of the same name.

  Both genus and species are printed in italics.

  The first letter is capital in both genus and species.

Question 3 of 20

4. Systematics refers to the study of

  Nomenclature and identification of plants and animals

  Different kinds of organisms and their classification

  Diversity of kinds of organisms and their relationships

  Identification and classification of plants and animals

Question 4 of 20

5. A species was defined as ‘A population of interbreeding individuals which are reproductively isolated from other populations’ by

 J. B. Lamarck

 Charles Darwin

 Ernst Mayr

 Carolus Linnaeus

Question 5 of 20

6. Binomial nomenclature consists of two names. These are

  Family and genus

 Genus and species

  Species and variety

 Order and family

Question 6 of 20

7. Species become extinct most easily by

Question 7 of 20

8. The branch connected with nomenclature, identification and classification is

 Ecology

 Taxonomy

 Physiology

 Morphology

Question 8 of 20

9. Binomial nomenclature was given by

 Theophrastus

 Linnaeus

 R. H. Whittaker

 Aristotle

Question 9 of 20

10. A taxon is

  A type of living organism

  A group of related species

 A taxonomic group of any ranking

  A group of related families

Question 10 of 20

11. All living organisms are linked to one another because

 They have common genetic material of the same type.

 They share common genetic material but to varying degrees.

  All have common cellular organisation.

 All of the above.

Question 11 of 20

12. The biologist who has been called the ‘Darwin of the 20th century’ is

 Whittaker

 Diener

 Ernst Mayr

 Linnaeus

Question 12 of 20

13. The maintenance of constant temperature inside the body is an example of

 Homoeostasis

 Negative feedback loop

 Both A and B

  None of these

Question 13 of 20

14. The Father of Zoology is

 John Ray

 Buffon

 Carlous Linnaeus

  Aristotle

Question 14 of 20

15. A group of interbreeding organisms is called a

 Genus

 Species

  Family

 Order

Question 15 of 20

16. One of the following functions is exhibited only by green plants and not by animals.

  Growth

 Photosynthesis

 Digestion

 Response

Question 16 of 20

17. The main cause of extinction of species from the tropics is

  Soil erosion

 Deforestation

  Pollution

 Afforestation

Question 17 of 20

18. A taxon is a

 Highest rank in classification

 Unit of classification

  Species

 Group of closely related organisms

Question 18 of 20

19. Binomial nomenclature means

 One name comprising a generic name and a specific epithet

 One name given by two scientists

 Two names—one scientific and the other local

 Two names—one latinised and the other of a person

Question 19 of 20

20. Binomial nomenclature was first introduced in

 Genera Plantarum

 Historia Plantarum

  Genera Animalium

 Systema Naturae

Question 20 of 20

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