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Online Mock Tests
Chapters
1: Reproduction in Organisms
2: Sexual Reproduction in Flowering Plants
3: Human Reproduction
4: Reproductive Health
UNIT VII : GENETICS AND EVOLUTION
5: Principles of Inheritance and Variation
6: Molecular Basis of Inheritance
7: Evolution
UNIT IX : BIOTECHNOLOGY
8: Human Health and Disease
9: Strategies for Enhancement in Food Production
10: Microbes in Human Welfare
UNIT IX : BIOLOGY IN HUMAN WELFARE
11: Biotechnology : Principles and Processes
12: Biotechnology and its Applications
UNIT X : ECOLOGY
▶ 13: Organisms and Populations
Chapter 14: Ecosystem
Chapter 15: Biodiversity and Conservation
Chapter 16: Environmental Issues
![NCERT solutions for Biology Part 1 and 2 [English] Class 12 chapter 13 - Organisms and Populations - Shaalaa.com](/images/biology-part-1-and-2-english-class-12_6:b1f8befaad564f848198c61748124f91.jpg "NCERT solutions for Biology Part 1 and 2 [English] Class 12 chapter 13 - Organisms and Populations")
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Solutions for Chapter 13: Organisms and Populations
Below listed, you can find solutions for Chapter 13 of CBSE, Karnataka Board PUC NCERT for Biology Part 1 and 2 [English] Class 12.
NCERT solutions for Biology Part 1 and 2 [English] Class 12 13 Organisms and Populations EXERCISES [Pages 226 - 227]
Name the three important components of biodiversity.
How do ecologists estimate the total number of species present in the world?
Give three hypotheses for explaining why tropics show greatest levels of species richness.
What is the significance of the slope of regression in a species-area relationship?
What are the major causes of species losses in a geographical region?
How is biodiversity important for ecosystem functioning?
What are sacred groves?
What is the role of sacred groves in conservation?
Among the ecosystem services are control of floods and soil erosion. How is this achieved by the biotic components of the ecosystem?
The species diversity of plants (22 per cent) is much less than that of animals (72 per cent). What could be the explanations to how animals achieved greater diversification?
Can you think of a situation where we deliberately want to make a species extinct? How would you justify it?
Solutions for 13: Organisms and Populations
NCERT solutions for Biology Part 1 and 2 [English] Class 12 chapter 13 - Organisms and Populations
Shaalaa.com has the CBSE, Karnataka Board PUC Mathematics Biology Part 1 and 2 [English] Class 12 CBSE, Karnataka Board PUC solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Biology Part 1 and 2 [English] Class 12 CBSE, Karnataka Board PUC 13 (Organisms and Populations) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.
Concepts covered in Biology Part 1 and 2 [English] Class 12 chapter 13 Organisms and Populations are Population Interactions, Population Attributes, Life History Variation, Overview of Organisms and Populations, Organisms and Their Environment, Ecology, Population Growth, Negative Interactions > Predation, Negative Interactions > Competition, Negative Interactions > Parasitism, Positive Interactions > Commensalism, Positive Interactions > Mutualism (Symbiosis), Patterns of Biodiversity, Loss of Biodiversity, Conservation of Biodiversity, Biodiversity, Species on Earth and Species in India, Importance of Species Diversity to the Ecosystem, Overview of Biodiversity and Its Conservation, Biodiversity Conservation Methods.
Using NCERT Biology Part 1 and 2 [English] Class 12 solutions Organisms and Populations exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE, Karnataka Board PUC Biology Part 1 and 2 [English] Class 12 students prefer NCERT Textbook Solutions to score more in exams.
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