The average temperature in areas having tropical rainforests is

  • 37 °C
  • 20 °C
  • 26.7 °C
  • 32.5 °C

The deserts located in Africa are

  • Mojave and Atacama Deserts
  • Sahara and Atacama Deserts
  • Kalahari and Sahara Deserts
  • Kalahari and Mojave Deserts

The Savannas are also known as

  • tropical grasslands
  • temperate grasslands
  • desert grasslands
  • monsoon grasslands

The location of hot deserts on the equator is

  • 20° north and 40° south
  • 25° north and 35° south
  • 25° north and 50° south
  • 15° north and 35° south

In tropical rainforests, the large variety of plants is supported by

  • low temperatures
  • high temperatures
  • high rainfall
  • both b and c

The portion of Earth's surface which is covered by hot desert vegetation is

  • one-fifth
  • one-third
  • three-fourth
  • one-fourth

The height of trees in canopy layer of rainforest is between

  • 40 to 50 layers
  • 15 to 30 meters
  • 10 to 20 meters
  • 30 to 40 meters

The percentage of Earth's land area which is covered by tropical rainforests is

  • 7%
  • 15%
  • 18%
  • 23%

The kind of soil in Cold Tundra Vegetation is

  • fertile soil
  • porous soil
  • dry and coarse
  • frozen subsoil

The examples of dense forests that are found in equatorial climate areas are

  • Malaysia and Indonesia Basin
  • Congo and Amazon Basin
  • Guinea and Amazon Basin
  • Indonesia and Amazon Basin

The category of drought-resistant plants includes

  • prickly pears
  • cacti and yucca
  • Joshua trees
  • all of above

The location of temperate deciduous forests on equator is

  • 30° north and 50° south
  • 35° north and 50° south
  • 40° north and 60° south
  • 40° north and 70° south

The diversity of plants that are present in tropical rainforests are

  • tagetes erecta
  • sutera cordata
  • annual Vinca
  • flora and fauna

The form of precipitation in cold tundra vegetation is

  • hailstorm
  • rain
  • snow
  • winds

The temperature at which the process of photosynthesis takes place ranges between

  • 10 to 30 °C
  • 30 to 40 °C
  • 20 to 30 °C
  • 0 and 25 °C

The undergrowth layer of tropical monsoon forests is made of

  • elms
  • ferns
  • shrubs
  • mosses

The temperate grasslands in Africa are known as

  • steppes
  • vied
  • pampas
  • prairies

The root system present in trees of tropical rainforests to support the weight of trees to ground is

  • dormant root system
  • buttress root system
  • deep root system
  • massive root system

The plants and trees shed their leaves in

  • summer season
  • spring season
  • winter season
  • none of the above

The trees that do not shed their leaves are mostly found in

  • hot desert vegetation
  • tropical monsoon forests
  • coniferous forests
  • temperate deciduous forests
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