Weather vs Climate
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Questions and Answers

What is the term used to describe clouds with a positive temperature?

  • Frozen clouds
  • Ice clouds
  • Warm clouds (correct)
  • Cold clouds

    • What is the purpose of cloud seeding?

  • To reduce cloud precipitation
  • To mitigate the effects of drought (correct)
  • To induce drought
  • To increase cloud temperature

    • What is the characteristic of dry ice that makes it useful for cloud seeding?

  • It remains unchanged at –80°C (correct)
  • It melts at –80°C
  • It evaporates at –80°C
  • It dissolves in water

    • How is dry ice typically released into clouds during seeding?

    <p>Through aircraft releasing pellets</p> Signup and view all the answers

    What is the result of dry ice seeding in clouds?

    <p>Formation of ice crystals</p> Signup and view all the answers

    What is the typical period of time used to calculate climatic normals?

    <p>30 years</p> Signup and view all the answers

    What is the drawback of using dry ice for cloud seeding?

    <p>All of the above</p> Signup and view all the answers

    What is the primary factor that affects the climate of a region based on its latitude?

    <p>Distance from the equator</p> Signup and view all the answers

    What is the most common base temperature used for different crops?

    <p>6.0 ºC</p> Signup and view all the answers

    How does the temperature change with an increase in altitude?

    <p>It decreases by 6.5 ºC/Km</p> Signup and view all the answers

    What is the formula to calculate the Growing Degree Days (GDD)?

    <p>GDD = (Tmax + Tmin) / 2 - Tb</p> Signup and view all the answers

    What is the purpose of calculating the Growing Degree Days?

    <p>To forecast crop harvest dates, yield, and quality</p> Signup and view all the answers

    What is the primary purpose of climate information in agriculture?

    <p>To select crops suitable for a region</p> Signup and view all the answers

    What is the temperature range at which the plant cell gets killed?

    <p>50-60°C</p> Signup and view all the answers

    What is the main difference between weather and climate?

    <p>Weather is short-term, while climate is long-term</p> Signup and view all the answers

    What is the classification of climate based on latitude?

    <p>Tropical, Sub-tropical, Temperate, and Polar</p> Signup and view all the answers

    What is the result of high temperature on plants?

    <p>It results in desiccation of plants</p> Signup and view all the answers

    What type of plants are killed at a comparatively lower temperature of 40°C?

    <p>Aquatic plants</p> Signup and view all the answers

    What is the form of salt used in cloud seeding?

    <p>10 per cent solution</p> Signup and view all the answers

    What is the purpose of mixing salt with soap?

    <p>To avoid practical problems</p> Signup and view all the answers

    What is used to disperse salt particles in the balloon burst technique?

    <p>Gun powder and sodium chloride</p> Signup and view all the answers

    What is the conversion process of liquid water into vapour?

    <p>Evaporation</p> Signup and view all the answers

    What is the most important water loss term in the water balance equation?

    <p>Evaporation</p> Signup and view all the answers

    What is the link between water budget and heat budget?

    <p>Evaporation</p> Signup and view all the answers

    What is the primary function of guard cells of stomata, cuticle, and lenticules?

    <p>To regulate water loss through transpiration</p> Signup and view all the answers

    What happens when the rate of root water uptake falls below the transpiration demand?

    <p>Actual transpiration begins to fall below the potential rate</p> Signup and view all the answers

    What is the reference evapotranspiration (ET0) based on?

    <p>An extended surface of 8 to 10 centimeters tall green grass cover</p> Signup and view all the answers

    What is the purpose of estimating potential evapotranspiration (PET) for a crop?

    <p>To plan irrigation schedules</p> Signup and view all the answers

    What is the relationship between evapotranspiration and crop yield?

    <p>There is an optimal evapotranspiration rate for maximum yield</p> Signup and view all the answers

    What is the purpose of understanding the relationship between evapotranspiration and crop yield?

    <p>To optimize irrigation schedules and improve crop yields</p> Signup and view all the answers

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