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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 14 - Ecosystems and Energy Flow - 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 14 - Ecosystems and Energy Flow")
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Solutions for Chapter 14: Ecosystems and Energy Flow
Below listed, you can find solutions for Chapter 14 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 14 Ecosystems and Energy Flow Exercises [Page 320]
Which one of the following has the largest population in a food chain?
Producers
Primary consumers
Secondary consumers
Decomposers
The second trophic level in a lake is ________________.
Phytoplankton
Zooplankton
Benthos
Fishes
Secondary consumers are __________.
Herbivores
Producers
Carnivores
Autotrophs
What is the % of photosynthetically active radiation in the incident solar radiation?
100%
50 %
1-5%
2-10%
Give the term used to express a community in its final stage of succession?
End community
Final community
Climax community
Dark community
After landslide which of the following type of succession occurs?
Primary
Secondary
Tertiary
Climax
Which of the following is most often a limiting factor of the primary productivity in any ecosystem?
Carbon
Nitrogen
Phosphorus
Sulphur
Very short answer question
Give an example of an ecosystem that shows an inverted pyramid of numbers.
Give an example of an ecosystem that shows an inverted pyramid of biomass.
Which mineral acts as a limiting factor for productivity in an aquatic ecosystem.
Name the reservoir and sink of carbon in the carbon cycle.
Distinguish between the upright and inverted pyramid of biomass.
Distinguish between food chain and food web.
Define ecological pyramids.
Describe with examples of pyramids of number, and biomass.
What is primary productivity?
Give a brief description of the factors that affect primary productivity.
Define decomposition.
Describe the processes and products of decomposition.
Write important features of a sedimentary cycle in an ecosystem.
Describe the carbon cycle and add a note on the impact of human activities on the carbon cycle.
Solutions for 14: Ecosystems and Energy Flow
Balbharati solutions for Biology [English] 12 Standard HSC Maharashtra State Board chapter 14 - Ecosystems and Energy Flow
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Concepts covered in Biology [English] 12 Standard HSC Maharashtra State Board chapter 14 Ecosystems and Energy Flow are Ecosystem, Concept of Energy Flow in an Ecosystem, Ecological Pyramids, Nutrient Cycles, Ecological Succession, Ecosystem Services, Structure and function of an Ecosystem, Classification of Animal, Trophic Level, Food Chain, Food Web, Productivity, Decomposition, Phosphorus Cycle, Carbon Cycle.
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