Biological Classification Class 11 Notes

Chapter 2 Biological Classification

‘Biological Classification’ is an important and interesting chapter in NCERT Class 11 Biology book. It is highly advisable for 11th Class Biology students to cover this chapter in detail and NCERT notes for Class 11 Biology Chapter 2 will help them with the same. In this article, detailed notes have been provided which will help students understand the various concepts mentioned in the chapter better and answer the questions accurately and efficiently.

The provided notes offer answers to all the back-of-the-chapter questions for the Biological Classification chapter. The notes is available in PDF format as well in this article and can be easily downloaded by students for easy offline access. The Chapter 2 Biology Class 11 NCERT notes provided here are in a question-answer format that is easy to follow and understand. Scroll down and download the NCERT Class 11 Biology Chapter 2 notes as PDFs.

CBSE CLASS 11 BIOLOGY CH-2

Points to Remember

Below are some of the important points about the Biological Classification that the students must memorize:

The biological classification of plants and animals was first proposed by Aristotle on the basis of simple morphological characters.
In the five kingdom classifications, bacteria are included in Kingdom Monera.
Bacteria may be autotrophic or heterotrophic in their mode of nutrition.
Kingdom Monera includes those organisms which do not possess true nuclei.

Topics and Sub-topics

Biological Classification is one of the most fun chapters to study. Students in Class 11 must ensure that they practice the NCERT notes for Class 11 Biology Chapter 2 thoroughly. This will play an important role in helping the students score higher marks. By studying this chapter, the students will get to learn about how to classify biological beings.

Biological Classification is one of those chapters that introduce students to the different kingdoms of the environment such as plants, animals, viruses, prions, and more. Students can refer to all the materials on Vidyakul so that they can kickstart their preparation. After finishing the videos, students can also practice questions and prepare for the exams accordingly.

Sr. No	Topic Name
2.1	Need for classification (Biodiversity)
2.2	Three domains of life
2.3	Taxonomy and systematics
2.4	Concept of species and taxonomical hierarchy;

2.5	Binomial nomenclature
2.6	Tools for study of taxonomy museums,

Frequently Asked Questions

What are ‘Angiosperms’?

Angiosperms are plants that produce flowers and bear their seeds in fruits.

What are the main types of algae?

1. Euglenophyta (Euglenoids)2. Chrysophyta (Golden-brown algae and Diatoms)3. Pyrrophyta (Fire algae)4. Chlorophyta (Green algae)5. Rhodophyta (Red algae)

What are ‘Pteridophytes’?

A pteridophyte is a vascular plant (with a xylem and phloem) that disperses spores.