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CBSE Video lectures for download

     

=Chapter 1 The Living World

=Chapter 2 Biological Classification

=Chapter 3 Plant Kingdom

=Chapter 4 Animal Kingdom

=Chapter 5 Morphology of Flowering Plants

=Chapter 6 Anatomy of Flowering Plants

=Chapter 7 Structural Organisation in Animals

=Chapter 8 Cell The Unit of Life

=Chapter 9 Biomolecules

=Chapter 10 Cell Cycle and Cell Division

=Chapter 11 Transport in Plants

=Chapter 12 Mineral Nutrition

=Chapter 13 Photosynthesis in Higher Plants

=Chapter 14 Respiration in Plants

=Chapter 15 Plant Growth and Development

=Chapter 16 Digestion and Absorption

=Chapter 17 Breathing and Exchange of Gases

=Chapter 18 Body Fluids and Circulation

=Chapter 19 Excretory Products and their Elimination

=Chapter 20 Locomotion and Movement

=Chapter 21 Neural Control and Coordination

=Chapter 22 Chemical Coordination and Integration

 

Chapter 1 The Living World

Download NCERT Solutions for Class 11 Biology

Chapter 1 The Living World

(Link of Pdf File is given below at the end of the Questions list)

In this pdf file you can see answers of following Questions

 

Question 1:
Why are living organisms classified?

Question 2:
Why are the classification systems changing every now and then?
Question 3:
What different criteria would you choose to classify people that you meet often?
Question 4:
What do we learn from identification of individuals and populations?
Question 5:
Given below is the scientific name of Mango. Identify the correctly written name. Mangifera Indica
Question 6:
Define a taxon. Give some examples of taxa at different hierarchical levels.
Question 7:
Can you identify the correct sequence of taxonomical categories?
(a) Species → Order → Phylum → Kingdom
(b) Genus → Species → Order → Kingdom
(c) Species → Genus → Order → Phylum
Question 8:
Try to collect all the currently accepted meanings for the word ‘species’. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand and bacteria on the other hand.

Question 9:
Define and understand the following terms: (i) Phylum (ii) Class (iii) Family (iv) Order (v) Genus

Question 10:
How is a key helpful in the identification and classification of an organism?
Question 11:
Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.


 



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