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Chapters
2: Reproduction in Lower and Higher Animals
3: Inheritance and Variation
4: Molecular Basis of Inheritance
5: Origin and Evolution of Life
6: Plant Water Relation
7: Plant Growth and Mineral Nutrition
8: Respiration and Circulation
9: Control and Co-ordination
10: Human Health and Diseases
11: Enhancement of Food Production
12: Biotechnology
▶ 13: Organisms and Populations
14: Ecosystems and Energy Flow
15: Biodiversity, Conservation and Environmental Issues
![Balbharati solutions for Biology [English] 12 Standard HSC Maharashtra State Board chapter 13 - Organisms and Populations - Shaalaa.com](/images/biology-english-12-standard-hsc-maharashtra-state-board_6:429f7f9009264240a77c8945f6342a63.JPG "Balbharati solutions for Biology [English] 12 Standard HSC Maharashtra State Board 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 Maharashtra State Board Balbharati for Biology [English] 12 Standard HSC Maharashtra State Board.
Balbharati solutions for Biology [English] 12 Standard HSC Maharashtra State Board 13 Organisms and Populations Exercises [Page 307]
Which factor of an ecosystem includes plants, animals, and micro-organisms?
Biotic factor
Abiotic factor
Direct factor
Indirect factor
Multiple choice question
An assemblage of individuals of different species living in the same habitat and having functional interactions is _______________.
Biotic community
Ecological niche
Population
Ecosystem
Association between sea anemone and Hermit crab in gastropod shell is that of.
Mutualism
Commensalism
Parasitism
Amensalism
Select the statement which explains the best parasitism.
One species is benefited.
Both the species are benefited.
One species is benefited, other is not affected.
One species is benefited, other is harmed.
Growth of bacteria in a newly inoculated agar plate shows ____________.
exponential growth
logistic growth
Verhulst-Pearl logistic growth
zero growth
Define the following term:
Commensalism
Define the following term and give one example:
Parasitism
Define the following term:
Camouflage
Give one example for Mutualism
Give one example of Interspecific competition.
Name the type of association:
Clownfish and sea anemone
Name the type of association: Crow feeding the hatchling of Koel
Name the type of association: Hummingbirds and host flowering plants
What is the ecological process behind the biological control method of managing pest insects?
How is the dormancy of seeds different from hibernation in animals?
If a marine fish is placed in a freshwater aquarium, will it be able to survive? Give reason.
Name important defense mechanisms in plants against herbivores.
An orchid plant is growing on the branch of mango tree. How do you describe this interaction between the orchid and the mango tree?
Distinguish between the following:
Hibernation and Aestivation
Distinguish between the following: Ectotherms and Endotherms.
Distinguish between the following: Parasitism and Mutualism.
Short answer question
Write a short note on Adaptations of desert animals
Write a short note on Adaptations of plants to water scarcity
Write a short note on Behavioural adaptations in animals
Define Population.
Define Community.
Long answer questions.
With the help of a suitable diagram describe the logistic population growth curve.
Enlist and explain the important characteristics of a population.
Solutions for 13: Organisms and Populations
Balbharati solutions for Biology [English] 12 Standard HSC Maharashtra State Board chapter 13 - Organisms and Populations
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Concepts covered in Biology [English] 12 Standard HSC Maharashtra State Board chapter 13 Organisms and Populations are Organisms and the Environment Around, Population, Population Interactions, Habitat, Niche, Structure and function of an Ecosystem, Adaptations and Its Types, Organisms and Populations.
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