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

Your comments:

Question 1 of 20

2. Binomial nomenclature usually consists of words/parts of

Five

Two

Three

One

Your comments:

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.

Your comments:

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

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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

Your comments:

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

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Question 6 of 20

7. Species become extinct most easily by

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Question 7 of 20

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

Ecology

Taxonomy

Physiology

Morphology

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Question 8 of 20

9. Binomial nomenclature was given by

Theophrastus

Linnaeus

R. H. Whittaker

Aristotle

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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

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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.

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Question 11 of 20

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

Whittaker

Diener

Ernst Mayr

Linnaeus

Your comments:

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

Your comments:

Question 13 of 20

14. The Father of Zoology is

John Ray

Buffon

Carlous Linnaeus

Aristotle

Your comments:

Question 14 of 20

15. A group of interbreeding organisms is called a

Genus

Species

Family

Order

Your comments:

Question 15 of 20

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

Growth

Photosynthesis

Digestion

Response

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Question 16 of 20

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

Soil erosion

Deforestation

Pollution

Afforestation

Your comments:

Question 17 of 20

18. A taxon is a

Highest rank in classification

Unit of classification

Species

Group of closely related organisms

Your comments:

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

Your comments:

Question 19 of 20

20. Binomial nomenclature was first introduced in

Genera Plantarum

Historia Plantarum

Genera Animalium

Systema Naturae

Your comments:

Question 20 of 20

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