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Chapter 1 of 19
NCERT Solutions

The Living World

CBSE · Class 11 · Biology

NCERT Solutions for The Living World — CBSE Class 11 Biology.

153 questions76 flashcards5 concepts

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10 Questions Solved · 1 Section

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EXERCISES

1Why are living organisms classified?Show solution
Living organisms are classified to make the study of their huge diversity easy and systematic. Classification groups organisms into convenient categories based on similarities, so we can identify, name and study them properly. It also helps us understand their similarities, differences and relationships with one another.

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2Why are the classification systems changing every now and then?Show solution
Classification systems change because our knowledge of living organisms keeps improving. As new organisms are discovered and new features are studied, scientists get better information about similarities, differences and evolutionary relationships. So earlier systems are revised to make classification more scientific and accurate.

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3What different criteria would you choose to classify people that you meet often?Show solution
People can be classified by criteria such as age, gender, height, body build, language, occupation, habits, or place of residence. The criteria chosen depend on the purpose of classification.

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4What do we learn from identification of individuals and populations?Show solution
From the identification of individuals and populations, we learn what organism or group is being studied, and we can determine its correct name, characteristics and place in classification. It helps in understanding similarities, differences and distribution among individuals and populations.

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5Given below is the scientific name of Mango. Identify the correctly written name.Show solution
The correctly written scientific name must have the genus starting with a capital letter and the specific epithet starting with a small letter. So the correct name is Mangifera indica.

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6Define a taxon. Give some examples of taxa at different hierarchical levels.
7Can you identify the correct sequence of taxonomical categories?
8Try 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.
9Define and understand the following terms:
10Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.

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Frequently Asked Questions

What are the important topics in The Living World for CBSE Class 11 Biology?
The Living World covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in The Living World — CBSE Class 11 Biology?
Understand the core concepts first, then work through the 153 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
Where can I get free NCERT Solutions for The Living World Class 11 Biology?
This page has free step-by-step NCERT Solutions for every exercise question in The Living World (CBSE Class 11 Biology) — written the way examiners award marks: given, formula, working, answer.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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