Air Pressure and Winds - Practice Test 2

Attempt the quiz above first, then review every question with its correct answer and a short explanation below.

1. Q1.The 'Roaring Forties' are:

   • A.Strong Westerlies in Southern Hemisphere✓ Correct Answer
   • B.Strong Trade Winds
   • C.Cyclones near 40°
   • D.Cold winds in Russia

   Explanation: Strong westerlies blowing around 40°S latitude due to open ocean.

2. Q2.Why are Westerlies stronger in the Southern Hemisphere?

   • A.More landmass
   • B.Less landmass (vast oceans)✓ Correct Answer
   • C.Higher temperature
   • D.Ozone layer

   Explanation: The lack of landmass reduces friction, allowing winds to blow at high speeds.

3. Q3.Polar Easterlies blow from:

   • A.Polar High to Subpolar Low✓ Correct Answer
   • B.Subpolar Low to Polar High
   • C.Subtropical High to Equator
   • D.Equator to Poles

   Explanation: Cold winds blowing from the high-pressure poles to the subpolar lows.

4. Q4.ITCZ stands for:

   • A.Inter Tropical Convergence Zone✓ Correct Answer
   • B.International Trade and Commerce Zone
   • C.Indian Tropical Climate Zone
   • D.Inner Tectonic Convergence Zone

   Explanation: ITCZ is where trade winds from both hemispheres converge near the equator.

5. Q5.Monsoon is derived from the Arabic word 'Mausim' which means:

   • A.Rain
   • B.Season✓ Correct Answer
   • C.Wind
   • D.Cloud

   Explanation: Mausim means season, referring to the seasonal reversal of winds.

6. Q6.Land Breeze blows from:

   • A.Land to Sea at night✓ Correct Answer
   • B.Sea to Land at day
   • C.Land to Sea at day
   • D.Sea to Land at night

   Explanation: At night, land cools faster creating high pressure, blowing wind to the sea.

7. Q7.Sea Breeze blows from:

   • A.Sea to Land during day✓ Correct Answer
   • B.Land to Sea during day
   • C.Sea to Land during night
   • D.Land to Sea during night

   Explanation: During the day, land heats up (low pressure), drawing cool air from the sea.

8. Q8.Anabatic winds are:

   • A.Upslope winds (Valley breeze)✓ Correct Answer
   • B.Downslope winds (Mountain breeze)
   • C.Cyclonic winds
   • D.Trade winds

   Explanation: During the day, warm air rises up the mountain slopes (Valley breeze).

9. Q9.Katabatic winds are:

   • A.Downslope winds (Mountain breeze)✓ Correct Answer
   • B.Upslope winds
   • C.Sea breeze
   • D.Monsoon

   Explanation: At night, cold dense air sinks down the mountain slopes (Mountain breeze).

10. Q10.Chinook is a local wind in:

    • A.Rockies (North America)✓ Correct Answer
    • B.Alps (Europe)
    • C.Andes (South America)
    • D.Himalayas

    Explanation: It is a warm, dry wind flowing down the eastern slopes of the Rockies.

11. Q11.Chinook is also known as:

    • A.Snow Eater✓ Correct Answer
    • B.Doctor Wind
    • C.Blood Rain
    • D.Ice Doctor

    Explanation: It melts snow rapidly, hence called Snow Eater.

12. Q12.Foehn is a warm dry wind found in:

    • A.Alps (Europe)✓ Correct Answer
    • B.Rockies
    • C.Andes
    • D.Atlas

    Explanation: Similar to Chinook, it blows in the Alps (Switzerland).

13. Q13.Loo is a hot wind that blows in:

    • A.North India and Pakistan✓ Correct Answer
    • B.South India
    • C.Egypt
    • D.Australia

    Explanation: Loo is a strong, hot, dry summer wind in the Indo-Gangetic plains.

14. Q14.Sirocco is a hot wind that blows from Sahara to:

    • A.Mediterranean Sea (Italy)✓ Correct Answer
    • B.Atlantic Ocean
    • C.South Africa
    • D.India

    Explanation: It brings red sand from Sahara to Italy/Spain.

15. Q15.Why is Sirocco associated with 'Blood Rain'?

    • A.It carries red sand/dust✓ Correct Answer
    • B.It is very hot
    • C.It kills people
    • D.It turns water red

    Explanation: The red dust mixed with rain looks like blood.

16. Q16.Harmattan is a dry wind blowing in:

    • A.West Africa✓ Correct Answer
    • B.East Africa
    • C.South America
    • D.Europe

    Explanation: It blows from Sahara towards the Gulf of Guinea.

17. Q17.Harmattan is famously known as:

    • A.Doctor Wind✓ Correct Answer
    • B.Snow Eater
    • C.Poison Wind
    • D.Swift Wind

    Explanation: It brings relief from the humid climate of the coast, hence 'Doctor'.

18. Q18.Mistral is a cold wind blowing in:

    • A.France (Rhone Valley)✓ Correct Answer
    • B.Italy
    • C.Spain
    • D.Canada

    Explanation: Mistral is a strong, cold wind in southern France.

19. Q19.Bora is a cold wind blowing in:

    • A.Adriatic Sea (Italy/Yugoslavia region)✓ Correct Answer
    • B.Baltic Sea
    • C.Red Sea
    • D.Japan

    Explanation: Bora is a cold, dry wind on the Adriatic coast.

20. Q20.Blizzard is a characteristic wind of:

    • A.Polar Regions (Tundra)✓ Correct Answer
    • B.Deserts
    • C.Tropical Rainforests
    • D.Grasslands

    Explanation: Blizzards are severe snowstorms with strong winds in cold regions.