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AP EAMCET Botany Unit 7: Plant Ecology — practice questions — page 2

Explore 52 free Botany Unit 7: Plant Ecology questions in AP EAMCET Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Botany Unit 7: Plant Ecology questions and exercises with answers

Showing questions 31–52 of 52.

Classical wetland succession ends in a forested climax with accumulatedRead the answer and worked solution →Whose Strategy of Ecosystem Development began ecosystem succession study?Read the answer and worked solution →Dispersal limitation in succession means thatRead the answer and worked solution →In which year did the British Vegetation Committee organise the British Ecological Society?Read the answer and worked solution →Biomes are determined mostly by which regional climate factors?Read the answer and worked solution →Carbon, hydrogen, oxygen, nitrogen, phosphorus and sulphur lead to plants being calledRead the answer and worked solution →The most widespread mutualism in plants is the association between plants andRead the answer and worked solution →Besides mycorrhizae and pollination, a main plant mutualism isRead the answer and worked solution →Epiphytes growing on branches of tropical trees illustrateRead the answer and worked solution →Parasitic plants connect to the xylem or phloem of a host usingRead the answer and worked solution →Shade from nurse plants helps which young plants establish?Read the answer and worked solution →The probability of colonisation of a site decreases withRead the answer and worked solution →Local extinction of a plant species becomes less likely as its what increases?Read the answer and worked solution →Which is a measure of plant abundance?Read the answer and worked solution →Biomes group Earth's ecosystems mainly by theirRead the answer and worked solution →The set of conditions under which a species can persist is itsRead the answer and worked solution →Who introduced the niche definition based on biotic and abiotic conditions in 1957?Read the answer and worked solution →Another name for primary producers isRead the answer and worked solution →A species with a large effect on its community despite low biomass is aRead the answer and worked solution →If sea otters are removed, urchins graze away theRead the answer and worked solution →Ecosystem ecology mainly focuses onRead the answer and worked solution →Which is one of the components of biodiversity?Read the answer and worked solution →

Worked practice questions

Classical wetland succession ends in a forested climax with accumulated

  1. Silt
  2. Sand
  3. Peat
  4. Limestone
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Correct answer: C. Peat

Decayed organic matter builds up over time in the classical model and forms peat under the forested climax.

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Whose Strategy of Ecosystem Development began ecosystem succession study?

  1. Clements
  2. Odum
  3. Cowles
  4. Tansley
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Correct answer: B. Odum

Eugene Odum's publication is considered the formal starting point of whole-ecosystem study of succession.

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Dispersal limitation in succession means that

  1. Seeds die on arrival
  2. Seeds cannot reach good sites
  3. Soil blocks germination
  4. Animals eat all seeds
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Correct answer: B. Seeds cannot reach good sites

Even where conditions are favorable, a species may be absent because its seeds cannot get there.

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