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Class 12 Biology Practice Test: Ecosystem - Ecological Pyramids
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Class 12 Biology Practice Test: Ecosystem - Ecological Pyramids
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25 Questions

1. What are ecological pyramids alternatively called?
2. In a forest ecosystem, how is the pyramid of numbers depicted?
3. In a stable ecosystem, whose inverted pyramid is not observed?
4. What is the position of herbivores in a pyramid of biomass?
5. Which of the following has maximum numbers, if plants, grasshopper, birds, and lion are the components of an ecosystem?
6. How many types are do ecological pyramids have?
7. Which inverted pyramid is observed in a sea or pond ecosystem?
8. What does the following pyramid represent?
The pyramid represents an upright pyramid of number of a grassland ecosystem
9. In which terms are the representation of the relationship between producers and consumers did?
10. Who formulated the ecological pyramids?
11. Which of the following represents the relationship of prey being more than predators?
12. Which of the following pyramid represents the number of individuals at each level?
13. What does the following pyramid represent?
An upright pyramid of number of the grassland ecosystem figure
14. Which one of the following represents a pyramid of numbers?
The pyramid of numbers represents the number of individuals at every trophic level
15. Which of the following is the lowest in number, if plants, grasshopper, birds, and lion are the components of an ecosystem?
16. Which of the following pyramids is always upright?
17. What does the following pyramid represent?
The pyramid represents the number of individuals in an ecosystem
18. In which terms are the representation of the relationship between producers and consumers did?
19. What does the following pyramid represent?
The pyramid represents the amount of biomass/productivity of the ecosystem at each level
20. On which basis is the idea of productivity of an ecosystem based?
21. In which terms are the representation of the relationship between producers and consumers did?
22. What is the position of producers in the pyramid of energy?
23. What does the following pyramid represent?
The figure shows amount of biomass/productivity of ecosystem at each level
24. What does the pyramid of energy indicate because of which it is said to be the best representation of an ecosystem?
25. What does the pyramid of number and pyramid of biomass represent?

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