NCERT Exemplar Class 11 Biology Chapter 2 Solutions: Biological Classification
NCERT Exemplar Solutions for Class 11 Biology Chapter 2 illustrate the various types of classification systems available in nature. The main topics in this chapter of NCERT Class 11 Biology Exemplar include Kingdom Monera, Kingdom Fungi, Kingdom Animalia, Kingdom Protista, Kingdom Plantae, Types of Classification, Viruses, Prions, Viroids, and Lichens.
In the NCERT Exemplar Problems and Solutions for Class 11 Biology Chapter 2, you will see colourful images and diagrams that will help you in understanding the chapter in a better way. It explains RH Whittaker’s five kingdom classification system comprising Fungi as a distinct kingdom. The chapter has around 4 main exercises with 32 exemplar problems in total.
NCERT Exemplar Class 11 Biology Chapter 2 illustrates Ernst Haeckel’s three-kingdom system that has an added collection of Protista, which lacks the proficiency of tissue differentiation. These solutions have been developed keenly with the special aim of helping you. Referring to our NCERT Exemplar solutions provided will help you prepare for the CBSE exams with ease.
Important Topics for NCERT Biology Exemplar Solutions Class 11 Chapter 2 – Biological Classification
Five Kingdom Classification
The living organisms are classified into five different kingdoms including Protista, Fungi, Animalia, Plantae, and Monera on the source of their features such as cell structure, mode of reproduction, mode of nutrition, and body organization.
Kingdom Monera is reflected as the most basic group of organisms and monerans are most plentiful of all. It usually includes unicellular organisms with a prokaryotic cell organization. They don’t have well-defined cell structures comprising the nucleus and other cell organelles.
They contain prokaryotes which comprise of the species like the cyanobacteria, mycoplasma, archaebacterial, and bacteria are a few members of this kingdom.
All unicellular creatures are positioned under the Kingdom Protista. This kingdom is a very large group consisting of at least 16 phyla. Many species of this kingdom are the major producers in the aquatic ecosystem and some are accountable for severe human diseases like malaria.
Fungi are a group of entities that are found everywhere from air, water, land to the soil. They are also found in plants and animals. Some fungi are too small and others are enormous – almost spreading over a thousand acres. And even though fungi look like plants, they are in fact primarily related to animals.
Kingdom Animalia comprises all the eukaryotic, multicellular, heterotrophic organisms. These animals cannot organize their own food and thus rely on other organisms for food. Also, the organisms fitting to kingdom Animalia don’t have cell walls. There are about 800,000 various species and 36 distinct phyla have been recognized under kingdom Animalia. All these species reveal different levels of organization in structure.
Kingdom Plantae contains all the eukaryotic, multicellular plants that execute photosynthesis to make their food. These plants have rigid cell walls prepared for cellulose and pectin. They retain organelles like chloroplast and chlorophyll that enable photosynthesis. Generally, these are non-motile in nature.
Exercise-wise Discussion of NCERT Biology Exemplar Solutions Class 11 Chapter 2 – Biological Classification
Exercise 1 –Multiple Choice Questions (MCQs)
This exercise set has a total of 12 questions in which you need to choose the right answer from the options available.
Exercise 2 – Very Short Answer Type Questions
Exercise 2 of the chapter has around 8 questions which are very short answer type questions. These questions are based on the main topics of the chapter include Kingdom Monera, Kingdom Fungi, Kingdom Animalia, Kingdom Protista, Kingdom Plantae, Types of Classification, Viruses, Prions, Viroids, and Lichens.
Exercise 3 –Short Answer Type Questions
This exercise has around 7 questions that are entirely based on the various types of classification systems available.
Exercise 4 –Long Answer Type Questions
This exercise set of NCERT Exemplar Class 11 Biology Solutions for Chapter 2 has a total of 5 exemplar problems in which you need to give proper reasoning of the situation mentioned. This exercise also has a diagram question which makes it easier for you to understand the question.
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