Why are living organisms classified? | Class 11 Biology Chapter The Living World, The Living World NCERT Solutions

Welcome to the NCERT Solutions for Class 11 Biology - Chapter The Living World. This page offers a step-by-step solution to the specific question from Exercise 1, Question 1: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.

Question 1: Why are living organisms classified?

Answer:

A large variety of plants, animals, and microbes found on earth and they differ in size, shape, colour, habitat, and many other characteristics. So, studying each of them is impossible. Therefore, scientists have devised mechanisms to classify all living organisms on certain rules and principles that allow identification, nomenclature, and finally classification of an organism.

For example, based on presence of three pairs of legs and 2 pairs of wings, an organism is identified as an insect, it will be given a scientific name and then grouped with other similar organisms. Thus, various groups or taxon include organisms based on their similarity and differences.

Therefore, the biological classification helps in revealing the relationship between various organisms. It also helps in making study of organisms easy and organized.

Other Questions of Chapter The Living World

Q: What do we learn from identification of individuals and populations?

Q: Given below is the scientific name of Mango. Identify the correctly written name. Mangifera Indica Mangifera indica

Q: Can you identify the correct sequence of taxonomical categories?
(a) Species → Order → Phylum → Kingdom
(b) Genus → Species → Order → Kingdom
(c) Species → Genus → Order → Phylum

A scientist has come across a plant which he feels is a new species. How will he go about its identification, classification and nomenclature.

Q: Why are the classification systems changing every now and then?

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

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

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

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

Some of the properties of tissues are not the constituents of its cells. Give three examples to support the statement.

Popular questions of class 11 Biology

Q: Describe briefly the four major groups of Protozoa.

Q: State two economically important uses of: (a) Heterotrophic bacteria (b) Archaebacteria

Q: What is the difference between direct and indirect development?

Q: Describe the important properties of enzymes.

What are the steps involved in formation of a root nodule?

Q: What is stomatal apparatus? Explain the structure of stomata with a labelled diagram.

Q: Write a note on economic importance of algae and gymnosperms.

Bile juice contains no digestive enzymes, yet it is important for digestion. Why?

Q: What is heterospory? Briefly comment on its significance. Give two examples.

Q: Explain with suitable examples the different types of phyllotaxy?

Recently Viewed Questions of Class 11 Biology

Name the pathological condition when uncontrolled cell division occurs.

Aquatic animals generally are ammonotelic in nature where as terrestual forms are not. Comment.

Name the cells/tissues in human body which
a. exhibit ameboid movement
b. exhibit ciliary movement

Q: How is the study of plant anatomy useful to us?

How do you distinguish between a skeletal muscle and a cardiac muscle?

Q: Explain the term thecodont and diphyodont.

Why earthworm is called the friend of farmer?

Q: Draw the labelled diagram of the following:
(i) Gram seed
(ii) V.S. of maize seed

Which of the following is correct:
(a) Cells of all living organisms have a nucleus.
(b) Both animal and plant cells have a well defined cell wall.
(c) In prokaryotes, there are no membrane bound organelles.
(d) Cells are formed de novo from abiotic materials.

Mitosis results in producing two cells which are similar to each other. What would be the consequence if each of the following irregularities
occur during mitosis?
a. Nuclear membrane fails to disintegrate
b. Duplication of DNA does not occur
c. Centromeres do not divide
d. Cytokinesis does not occur.

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.

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