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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Levels Of Organisation (GCSE Biology)

The following is a GCSE Biology test covering 'Levels Of Organisation' from the broader topic Ecology. The test is geared towards the AQA exam board style syllabus.
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Which factor would most directly reduce the transfer efficiency between trophic levels (less energy passed to the next level)?
Which management strategy reduces soil erosion at the edge of agricultural fields and provides habitat for wildlife?
What is biological control in management of pests?
Which practice directly helps restore biodiversity after intensive agriculture?
Which definition best describes biodiversity?
Which statement best describes primary succession?
What is the correct definition of a population in ecology?
A student records 15 marked butterflies, releases them, then later catches 60 butterflies total of which 5 are marked. Using the Lincoln–Petersen estimate, what is the estimated total population size?
A quadrat survey yields the following counts of one plant species in 10 quadrats: 3, 4, 2, 5, 3, 4, 6, 2, 3, 4. What is the mean abundance per quadrat?
If a population’s carrying capacity is exceeded, which process is most likely to reduce the population size?
Which trophic level contains organisms that are usually unable to synthesise organic molecules from inorganic sources?