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NCERT solutions Biology Textbook for Class 11 chapter 1 The Living World

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Chapter 1 - The Living World

Page 15

Why are living organisms classified?

Q 1 | Page 15 | view solution

Why are the classification systems changing every now and then?

Q 2 | Page 15 | view solution

What different criteria would you choose to classify people that you meet often?

Q 3 | Page 15 | view solution

What do we learn from identification of individuals and populations?

Q 4 | Page 15 | view solution

Given below is the scientific name of Mango. Identify the correctly written name.

Mangifera Indica

Mangifera indica

Q 5 | Page 15 | view solution

Define a taxon. Give some examples of taxa at different hierarchical levels.

Q 6 | Page 15 | view solution

Can you identify the correct sequence of taxonomical categories?

(a) Species → Order → Phylum → Kingdom

(b) Genus → Species → Order → Kingdom

(c) Species → Genus → Order → Phylum

Q 7 | Page 15 | view solution

Try to collect all the currently accepted meanings for the word ‘species’. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand and bacteria on the other hand.

Q 8 | Page 15 | view solution

Define and understand the following terms:

Phylum 

Q 9.1 | Page 15 | view solution

Define and understand the following terms

Class

Q 9.2 | Page 15 | view solution

Define and understand the following terms:

Family 

Q 9.3 | Page 15 | view solution

Define and understand the following terms

Order 

Q 9.4 | Page 15 | view solution

Define and understand the following terms:

Genus

Q 9.5 | Page 15 | view solution

How is a key helpful in the identification and classification of an organism?

Q 10 | Page 15 | view solution

Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.

Q 11 | Page 15 | view solution

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