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 (D)</p> Signup and view all the answers

What is the result of dry ice seeding in clouds?

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

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

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

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

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

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

<p>6.0 ºC (D)</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 (A)</p> Signup and view all the answers

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

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

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

<p>50-60°C (A)</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 (B)</p> Signup and view all the answers

What is the classification of climate based on latitude?

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

What is the result of high temperature on plants?

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

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

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

What is the form of salt used in cloud seeding?

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

What is the purpose of mixing salt with soap?

<p>To avoid practical problems (A)</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 (B)</p> Signup and view all the answers

What is the conversion process of liquid water into vapour?

<p>Evaporation (B)</p> Signup and view all the answers

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

<p>Evaporation (B)</p> Signup and view all the answers

What is the link between water budget and heat budget?

<p>Evaporation (A)</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 (B)</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 (A)</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 (B)</p> Signup and view all the answers

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

<p>To plan irrigation schedules (D)</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 (A)</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 (D)</p> Signup and view all the answers

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