Define and understand the following term | Class 11 Biology Chapter The Living World, The Living World NCERT Solutions

Q9. Define and understand the following terms:
(i) Phylum
(ii) Class
(iii) Family
(iv) Order
(v) Genus

(i) Phylum

Phylum is second highest unit of classification after Kingdom. It includes one or more related classes of animals. In plants, instead of phylum, the term ‘division’ is used.

(ii) Class

Class is a taxonomic group consisting of one or more related orders. For example, the class, Mammalia, includes many orders like Primata (Man), Carnivora(Lim, tiger) etc.

(iii) Family

Family is a taxonomic group containing one or more related genera eg. Family hominidae contains Apes, Monkeys and Man. In plants, families are categorized on the basis of vegetative and reproductive features.

(iv) Order

Order is a taxonomic group containing one or more families. For example, the order, carnivora, includes many families.

(v) Genus

Genus is a taxonomic group including closely related species. For example, the genus, Solanum, includes many species such as nigrum, melongen a, tuberosum, etc.

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Study Tips for Answering NCERT Questions:

NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:

  • Read the question carefully and focus on the core concept being asked.
  • Reference examples and data from the chapter when answering questions about The Living World.
  • Review previous year question papers to get an idea of how such questions may be framed in exams.
  • Practice answering questions within the time limit to improve your speed and accuracy.
  • Discuss your answers with your teachers or peers to get feedback and improve your understanding.

Important Questions & Answers

Why is this answer important for exams?

This question is important because it tests key concepts from the NCERT syllabus and is frequently asked in CBSE exams.

Which NCERT concept is used in this question?

This question is based on core NCERT concepts explained in the chapter and should be revised thoroughly before exams.

What is the correct answer to: Define and understand the following terms: (i) Phylum (ii) Class (iii) Family (iv) Order (v) Genus?

(i) Phylum

Phylum is second highest unit of classification after Kingdom. It includes one or more related classes of animals. In plants, instead of phylum, the term ‘division’ is used.

(ii) Class

...

How do you solve Define and understand the following terms: (i) Phylum (ii) Class (iii) Family (iv) Order (v) Genus step by step?

Step-by-step explanation:
• (i) Phylum

• Phylum is second highest unit of classification after Kingdom
• It includes one or more related classes of animals
• In plants, instead of phylum, the term ‘division’ is used

What common mistakes should be avoided in this question?

Students often lose marks by skipping steps, writing incomplete explanations, or misunderstanding keywords used in the question.

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Student Discussion

shreebhavani
Class · · , · Dec 12, 2019
Awesome easy notes
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Umakant Rajwade
Class · · , · Jul 03, 2019
Thanqqqq u
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Sneha
Class · · , · Jun 17, 2019
Thnku
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Torsha
Class · · , · Jun 13, 2019
Thnx a lot...☺️
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Sayujya
Class · · , · May 31, 2019
It is very easy to understand
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SYEDA ROSHNI
Class · · , · May 12, 2019
I IS VERY EASY FOR ME TO UNDERSTAND WRITE 👏👏👏✍✍
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SYEDA ROSHNI
Class · · , · May 12, 2019
I IS VERY VERY EASY FOR ME TO UNDERSTAND WRITE 👏👏👏✍✍
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Pooja
Class · · , · Jan 26, 2019
Amazing
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Ansh
Class · · , · Dec 08, 2018
Its helpful
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Ankur
Class · · , · Sep 28, 2018
Dhasu bhi
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