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NCERT Solutions for Class 11 PUC Biology Chapter 2 - Biological Classification



The National Council of Education Research and Training (NCERT) (officaial wesite www.ncert.nic.in) sets the curriculum for all schools that follow the Central Board of Secondary Education (CBSE)(officaial wesite cbse.nic.in) across the nation. NCERT solutions for class 11 Biology Chapter 2 - Biological Classification has been written to help students understand all the content under Chapter 2 - Biological Classification in the textbooks prescribed by NCERT and as per the syllabus. The class 11 Biology NCERT solutions help students solve the exercises given in the textbooks and get good marks in their board exam. The book is structured in a step-by-step and logical manner, which allows the student to understand the concepts easily.
Class 11 Biology NCERT solutions for Chapter 2 - Biological Classification covers Topics such as KINGDOM MONERA, Archaebacteria, Eubacteria, KINGDOM PROTISTA, Chrysophytes, Dinoflagellates, Euglenoids, Slime Moulds, Protozoans, KINGDOM FUNGI, Phycomycetes, Ascomycetes, Basidiomycetes, Deuteromycetes, KINGDOM PLANTAE, KINGDOM ANIMALIA, VIRUSES and VIROIDS AND LICHENS.

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Chapter 2 - Biological Classification

2.1 Kingdom Monera

Archaebacteria: These bacteria are special since they live in some of the most harsh habitats such as extreme salty areas (halophiles), hot springs (thermoacidophiles) and marshy areas (methanogens).
Eubacteria: There are thousands of different eubacteria or ‘truebacteria’. They are characterised by the presence of a rigid cell wall.

2.2 Kingdom Protista

All single-celled eukaryotes are placed under Protista. Chrysophytes Dinoflagellates Euglenoids Slime Moulds Protozoans

2.3 Kingdom Fungi

The fungi constitute a unique kingdom of heterotrophic organisms. They show a great diversity in morphology and habitat. When your bread develops a mould or your orange rots it is because of fungi. Phycomycetes Ascomycetes Basidiomycetes Deuteromycetes

2.4 Kingdom Plantae

Kingdom Plantae includes all eukaryotic chlorophyll-containing organisms commonly called plants. A few members are partially heterotrophic such as the insectivorous plants or parasites.

2.5 Kingdom Animalia

This kingdom is characterised by heterotrophic eukaryotic organisms that are multicellular and their cells lack cell walls. They directly or indirectly depend on plants for food.

2.6 Viruses, Viroids and Lichens

In the five kingdom classification of Whittaker there is no mention of some acellular organisms like viruses and viroids, and lichens.