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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 3 Plant Kingdom

Download NCERT Solutions for Class 11 Biology

Chapter 3 Plant Kingdom

(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:
What is the basis of classification of algae?
Question 2:
When and where does reduction division take place in the life cycle of a liverwort, a
moss, a fern, a gymnosperm and an angiosperm?
Question 3:
Name three groups of plants that bear archegonia. Briefly describe the life cycle of
any one of them.
Question 4:
Mention the ploidy of the following: protonemal cell of a moss; primary endosperm
nucleus in dicot, leaf cell of a moss; prothallus cell of a fern; gemma cell in
Marchantia; meristem cell of monocot, ovum of a liverwort, and zygote of a fern.
Question 5:
Write a note on economic importance of algae and gymnosperms.
Question 6:
Both gymnosperms and angiosperms bear seeds, then why are they classifiedseparately?
Question 7:
What is heterospory? Briefly comment on its significance. Give two examples.
Question 8:
Explain briefly the following terms with suitable examples:-
(i) protonema
(ii) antheridium
(iii) archegonium
(iv) diplontic
(v) sporophyll
(vi) isogamy
Question 9:
Differentiate between the following:-
(i)red algae and brown algae
(ii) liverworts and moss
(iii) homosporous and heterosporous pteridophyte
(iv) syngamy and triple fusion
Question 10:
How would you distinguish monocots from dicots?
Question 12:
Describe the important characteristics of gymnosperms.

 



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