Thu. Jul 4th, 2024

Climate Types and Biomes

  1. What is a common feature of all the Savanna biomes?

    Options:
    1. The presence of dense shrubs
    2. The presence of both trees and shrubs
    3. The presence of dense grasses
    4. Frequent fires

    Option: D

  2. Why are regular fires important in Savanna grasslands?

    Options:
    1. They destroy organic materials
    2. They favor the regeneration of grasses every year
    3. They reduce the mineralization of leaf litter
    4. They negatively affect fauna

    Option: B

  3. What species of grass has evolved to become fire-resistant in Savanna grasslands?

    Options:
    1. Impatiens spp
    2. Imperata spp
    3. Stipa spp
    4. Poa spp

    Option: B

  4. Which biome cannot be regarded as a climatic climax?

    Options:
    1. Savanna
    2. Temperate forest
    3. Tundra
    4. Tropical rainforest

    Option: A

  5. What is the reason for the absence of temperate cyclones in tropical-subtropical hot desert climates?

    Options:
    1. The presence of intertropical convergence
    2. The distant location from the equator
    3. The influence of anticyclonic winds
    4. The absence of trade winds

    Option: C

  6. Why do the trade winds become dry as they reach the western margins of continents?

    Options:
    1. Due to the influence of temperate cyclones
    2. Due to the absence of intertropical convergence
    3. Due to the presence of anticyclonic conditions
    4. Due to the presence of high-pressure systems

    Option: D

  7. What causes the marked decrease in relative humidity in tropical-subtropical hot desert climates?

    Options:
    1. The influence of intertropical convergence
    2. The descending anticyclonic winds
    3. The trade winds spending their moisture through rainfall
    4. The presence of temperate cyclones

    Option: B

  8. What is the reason for the high daily and annual ranges of temperature in tropical-subtropical hot desert climates?

    Options:
    1. The presence of vegetation-free ground surface
    2. The distance from the equator
    3. The dominance of sands
    4. All of the above

    Option: D

  9. What is the reason for the low and variable rainfall in tropical-subtropical hot desert climates?

    Options:
    1. The influence of subtropical high pressure systems
    2. The influence of intertropical convergence
    3. The presence of ascending winds
    4. The proximity to the equator

    Option: A

  10. What is the reason for the strain on the natural Savanna grasslands?

    Options:
    1. The increase in domesticated animals
    2. The conversion of grasslands into agricultural fields
    3. The shrinking of natural vegetation
    4. All of the above

    Option: D

  11. Where is the hot desert or Sahara type of climate located?

    Options:
    1. Between the latitudinal belt of 0°-15° in both the hemispheres
    2. Between the latitudinal belt of 15°-30° in both the hemispheres
    3. Between the latitudinal belt of 30°-45° in both the hemispheres
    4. Between the latitudinal belt of 45°-60° in both the hemispheres

    Option: B

  12. Which of the following continents have areas with hot desert or Sahara type of climate?

    Options:
    1. Africa and Asia
    2. South America and Europe
    3. North America and Australia
    4. All of the above

    Option: A

  13. What is responsible for the genesis of perpetual aridity in hot desert or Sahara type of climate?

    Options:
    1. The warm air masses of the subtropical anticyclones
    2. The cool air masses of the subtropical anticyclones
    3. The warm ocean currents
    4. The cool ocean currents

    Option: A

  14. What is the annual average rainfall in most of the Sahara region?

    Options:
    1. 25-37.5 cm
    2. 12-25 cm
    3. Less than 12 cm
    4. More than 75 cm

    Option: C

  15. Which of the following cities receives the lowest mean annual rainfall?

    Options:
    1. Lima, Peru
    2. Yuma, Arizona
    3. Toloth, S.W. Africa
    4. Cairo, UAR

    Option: D

  16. What type of rainfall is most common in areas with convectional type rainfall?

    Options:
    1. Continuous
    2. Occasional
    3. Moderate
    4. Heavy

    Option: B

  17. What percentage of sunshine do Sonoran Deserts of USA and Mexico receive during summer season?

    Options:
    1. 75%
    2. 90%
    3. 50%
    4. 10%

    Option: B

  18. What is the average relative humidity range in areas with hot desert type of climate?

    Options:
    1. 10-30%
    2. 30-50%
    3. 50-70%
    4. 70-90%

    Option: A

  19. Which of the following characteristics of xerophytic vegetation helps in avoiding evapotranspiration and loss of moisture?

    Options:
    1. Long roots
    2. Thick barks
    3. Waxy leaves
    4. All of the above

    Option: D

  20. Which of the following is not a characteristic of Mediterranean type of climate?

    Options:
    1. Wet winter and dry summer season
    2. Hot summers and mild winters
    3. Abundant sunshine throughout the year
    4. High rate of precipitation throughout the year

    Option: D