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State PSC Physical Geography — practice questions — page 21

Explore 928 free Physical Geography questions in State PSC Geography. Open each question or exercise to read its content, reference answers and available explanation.

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Physical Geography questions and exercises with answers

Showing questions 601–630 of 928.

Which German zoologist first used the term ecology, as oekologie, in 1869?Read the answer and worked solution →A system consisting of biotic and abiotic components is known as an:Read the answer and worked solution →The two major types of ecosystems are terrestrial and:Read the answer and worked solution →A plant and animal community covering a large geographical area is a:Read the answer and worked solution →Boundaries of biomes on land are determined mainly by:Read the answer and worked solution →Marine ecosystems include the oceans, estuaries and:Read the answer and worked solution →Green plants that manufacture their own food by photosynthesis are the:Read the answer and worked solution →Deer, goats and mice, the plant-eating animals, are:Read the answer and worked solution →Hawks and mongooses, which also feed on other carnivores, are called:Read the answer and worked solution →Vultures and crows that feed on dead organisms are examples of:Read the answer and worked solution →A beetle eaten by a frog, eaten by a snake, eaten by a hawk, is an example of a:Read the answer and worked solution →Interlocking food chains together form a:Read the answer and worked solution →The two recognised types of food chain are the grazing chain and the:Read the answer and worked solution →The number of levels in a food chain usually ranges between:Read the answer and worked solution →How many major biomes of the world are recognised?Read the answer and worked solution →What fraction of solar insolation reaching the surface is fixed in photosynthesis?Read the answer and worked solution →The atmosphere and hydrosphere have kept about the same chemical balance for the last:Read the answer and worked solution →Cyclic movements of chemical elements between organisms and environment are called:Read the answer and worked solution →In the gaseous biogeochemical cycle, the main reservoir of nutrients is:Read the answer and worked solution →In the sedimentary cycle, the main reservoir of nutrients is:Read the answer and worked solution →The basic source of energy on which all life depends is the:Read the answer and worked solution →Catch the consumersRead the answer and worked solution →Pop the biomesRead the answer and worked solution →Run the ecology numbersRead the answer and worked solution →Slice the food chain rolesRead the answer and worked solution →Biotic or abioticRead the answer and worked solution →Sort the ecosystem rolesRead the answer and worked solution →Type the numberRead the answer and worked solution →Life on earth bingoRead the answer and worked solution →Biodiversity today is the result of how many billion years of evolution?Read the answer and worked solution →

Worked practice questions

Which German zoologist first used the term ecology, as oekologie, in 1869?

  1. Gregor Mendel
  2. Ernst Haeckel
  3. Charles Darwin
  4. Carl Linnaeus
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Correct answer: B. Ernst Haeckel

1. He coined it in 1869. 2. Ernst Haeckel was first to use the term. 3. Ecology studies organisms and their environment. _Source: syllabus Fundamentals of Physical Geography, Chapter 15, Life on the Earth._

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A system consisting of biotic and abiotic components is known as an:

  1. Ecosystem
  2. Habitats
  3. Ecotone
  4. Food web
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Correct answer: A. Ecosystem

1. All its components interact. 2. Such a system is an ecosystem. 3. Species adapt to it through evolution. _Source: syllabus Fundamentals of Physical Geography, Chapter 15, Life on the Earth._

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The two major types of ecosystems are terrestrial and:

  1. Tundra
  2. Aquatic
  3. Marine
  4. Desert
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Correct answer: B. Aquatic

1. Terrestrial ones are classed into biomes. 2. The other type is aquatic. 3. Aquatic splits into marine and freshwater. _Source: syllabus Fundamentals of Physical Geography, Chapter 15, Life on the Earth._

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