Fri. Jan 10th, 2025

Classification of Climates

  1. Which zone represents the plants that thrive on almost permanently ice covered arctic and polar areas?

    Options:
    1. Hekistothermal zone
    2. Microthermal zone
    3. Megathermal zone
    4. Xerophytic zone

    Option: A

  2. According to Koppen’s classification of world climates, what does the letter “C” represent?

    Options:
    1. Humid tropical climates
    2. Dry climates
    3. Humid mesothermal or middle latitudes warm temperate climates
    4. Humid microthermal or cold forest climates

    Option: C

  3. The boundary between Aw and Am climates is based on

    Options:
    1. Temperature of the coldest month
    2. Average temperature of the warmest month
    3. Annual precipitation and the precipitation of the driest month
    4. Seasonal distribution of precipitation

    Option: C

  4. Which vegetation zones did Koppen use as the basis of classification of world climates?

    Options:
    1. Megatherms, mesotherms, xerophytes, microtherms and hekistotherms
    2. Tropical, temperate, arctic, desert and mountainous
    3. Deciduous, coniferous, savanna, tundra and chaparral
    4. Rainforest, taiga, steppe, grassland and wetland

    Option: A

  5. What is the formula for determining the boundary between Aw and Am climates based on annual precipitation and precipitation of the driest month?

    Options:
    1. 3.94 – r/25
    2. 0.4 4t – 8.5
    3. both a and b
    4. none of the above

    Option: A

  6. If the precipitation of the driest month of a place is more than the value of a in koppen’s classification, what climate type will it be?

    Options:
    1. Aw
    2. Am
    3. Af
    4. As

    Option: B

  7. What is the formula for determining the boundary between BW and BS climates based on annual precipitation and temperature?

    Options:
    1. 3.94 – r/25
    2. 0.4 4t – 8.5
    3. both a and b
    4. none of the above

    Option: B

  8. If the mean annual temperature of a place is more than 18°C, what letter is used to indicate the climate type in B climates in koppen’s classification?

    Options:
    1. k
    2. h
    3. a
    4. w

    Option: B

  9. What is the climate type indicated by BSh in koppen’s classification?

    Options:
    1. tropical desert climate with mean annual temperature above 18°C
    2. tropical steppe climate with mean annual temperature above 18°C
    3. middle latitude cold desert climate with mean annual temperature below 18°C
    4. middle latitude cold steppe climate with mean annual temperature below 18°C

    Option: B

  10. What is the distinguishing feature of C climates in koppen’s classification?

    Options:
    1. evaporation exceeds precipitation
    2. precipitation not sufficient to maintain permanent stable water table of groundwater
    3. average temperature of the coldest month above 3°C but below 13°C, precipitation in all seasons
    4. dry summers, rarely found

    Option: C

  11. How many climatic types have C climates been divided into based on seasonal distribution of precipitation?

    Options:
    1. 1
    2. 2
    3. 3
    4. 4

    Option: B

  12. Which of the following factors does Thornthwaite consider in his classification of world climates?

    Options:
    1. Temperature and precipitation
    2. Temperature, precipitation, and evaporation
    3. Temperature and wind patterns
    4. Precipitation and wind patterns

    Option: B

  13. What is the purpose of Thornthwaite’s precipitation efficiency ratio?

    Options:
    1. To calculate the amount of water available for human use
    2. To calculate the amount of precipitation that is not available for vegetation growth
    3. To calculate the amount of precipitation that is available for vegetation growth
    4. To calculate the amount of precipitation that is needed for vegetation growth

    Option: C

  14. How many humidity zones did Thornthwaite identify in his classification of world climates?

    Options:
    1. 3
    2. 4
    3. 5
    4. 6

    Option: C

  15. What is the difference between the P/E ratio and P/E index in Thornthwaite’s system?

    Options:
    1. The P/E ratio is the sum of monthly precipitation and evaporation, while the P/E index is the ratio of total annual precipitation to total annual evaporation.
    2. The P/E ratio is the ratio of monthly precipitation to monthly evaporation, while the P/E index is the sum of the P/E ratios for all 12 months of the year.
    3. The P/E ratio is the ratio of total annual precipitation to total annual evaporation, while the P/E index is the sum of monthly precipitation and evaporation.
    4. There is no difference between the P/E ratio and P/E index.

    Option: B

  16. What is the purpose of Thornthwaite’s thermal efficiency index?

    Options:
    1. To calculate the amount of solar radiation available for plant growth
    2. To calculate the amount of heat absorbed by the atmosphere
    3. To calculate the contribution of temperature to vegetation growth
    4. To calculate the amount of heat required for plant growth

    Option: C

  17. What does T* represent in Thornthwaite’s climate classification system?

    Options:
    1. Total annual rainfall in inches
    2. Mean monthly temperature in °F
    3. Total annual snowfall in inches
    4. Mean annual precipitation in mm

    Option: B

  18. How many temperature provinces did Thornthwaite divide the world into based on the T-E Index?

    Options:
    1. 4
    2. 6
    3. 8
    4. 10

    Option: B

  19. Which temperature province is characterized as “Tropical” in Thornthwaite’s classification system?

    Options:
    1. A’
    2. B’
    3. C’
    4. D’

    Option: A

  20. How many probable combinations of climatic types are there on theoretical grounds based on precipitation effectiveness, thermal efficiency, and seasonal distribution of rainfall, according to Thornthwaite?

    Options:
    1. 12
    2. 60
    3. 120
    4. 240

    Option: C