Ecosystem Quiz for NEET
| No. of Questions in Quiz | 30 with Explanation |
| Time for each Questions | 60 Seconds |
| Attempts Allowed | Unlimited |
| Available | Always |
| Pass Percentage | 70 % |
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#1. Which of the following ecological pyramids is generally inverted?
#2. Which ecosystem has the maximum biomass?
#3. Presence of plants arranged into well defined vertical layers depending on their height can be seen best in
The tropical rain forest have five vertical strata on the basis of height of plants. i.e., ground vegetation, shrubs,short canopy trees, tall canopy trees and tall emergent trees.
#4. The primary producers of the deep-sea hydrothermal vent ecosystem are
The primary producers of the deep sea hydrothermal vent ecosystem are Archaebacteria, they have chemosynthetic mode of nutrition.
#5. Which of the following would appear as the pioneer organisms on bare rocks?
Pioneer species are the species that invade a bare area.
In primary succession on rocks these are lichens which are able to secrete acids to dissolve rock, helping in weathering and soil formation.
#6. Which one of the following is a characteristic feature of cropland ecosystem?
#7. The term ecosystem was coined by
#8. Most animals that live in deep oceanic waters are
Detritivores are an important aspect of many ecosystem. They can live on any soil with organic component, including marine ecosystem.
#9. During ecological succession
Ecological succession involves gradual and fairly predictable change in the species composition of a given area.
#10. Vertical distribution of different species occupying different levels in a biotic community is known as
Stratification provides stability to the structure of ecosystem.
#11. In an ecosystem the rate of production of organic matter during photosynthesis is termed as
Gross primary productivity of an ecosystem is the rate of production of organic matter during photosynthesis.
#12. Secondary succession takes place on / in
#13. The mass of living material at a trophic level at a particular time is called
#14. Natural reservoir of phosphorus is
Natural reservoir of phosphorus is rock.
#15. Secondary productivity is rate of formation of new organic matter by :
Secondary productivity is rate of formation of new organic matter by consumer.
#16. Which one of the following processes during decomposition is correctly described?
#17. Which one of the following is not a functional unit of an ecosystem?
Stratification is vertical distribution of different communities.
#18. The upright pyramid of number is absent in
Upright pyramid of number is absent in forests.
#19. Which one of the following is not a gaseous biogeochemical cycle in ecosystem?
Phosphorus cycle is sedimentry cycle.
#20. The rate of formation of new organic matter by rabbit in a grassland, is called
#21. The second stage of hydrosere is occupied by plants like
Vallisneria [submerged plant].
#22. Mass of living matter at a trophic level in an area at any time is called
#23. Which one of the following statements is correct for secondary succession?
Secondary succession occurs on deforested site.
#24. Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?
Pyramid of energy is always upright.
#25. Which one of the following animals may occupy more than one trophic levels in the same ecosystem at the same time?
Sparrow because it also feed on insects as well as seeds.
#26. Both, hydrarch and xerarch successions lead to
Both, hydrarch and xerarch succession lead to mesic i.e., medium water conditions.
#27. Of the total incident solar radiation the proportion of PAR is
PAR is less than 50% of the total incident solar radiation.
#28. The breakdown of detritus into smaller particles by earthworm is a process called
#29. The biomass available for consumption by the herbivores and the decomposers is called
The biomass available for consumption by the herbivores and the decomposers is called Net Primary
Productivity (NPP).
NPP = GPP – R.
#30. Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem?
Fish feed on zooplanktons and also on small fishes.
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Please check your options for 13and 21 questions…nd don’t confuse us with wrong answers 😞🤦
Answer is correct
Tysm mam for this🙏.but Plz check question no.29.question and correct it.for the consumption of herbivores…… Aisa hona chahiye tha I think
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Same hi Hua bahen.
Mera scores kese dikhega
Didn’t A. G tansley coined the term ecosystem
Q.no 7
Please Checkout it’s correct Answer
I think AG tansley coined the term ecosystem
I GAVE NEET MOCK TEST AND MANY QUESTION I GOT FROM HERE.THANK YOU SO MUCH
Welcome Please Share this with your friends
It’s soo good for student helps in determining the accuracy and practice.
Few questions are from deleted topics please correct them due to which my marks are less
Quiz is a very good method to slove questions
thanks we update soon. we are working on something new