*These questions are from pressure belts and winds chapter of geography (not from NCERT)
1. The atmosphere is rarefied at high altitudes and dense near the earth surface hence the pressure reduces as one goes up. The reason for this effect is/are
1. The atmosphere is rarefied at high altitudes and dense near the earth surface hence the pressure reduces as one goes up. The reason for this effect is/are
a.Temperature
b. Humidity
c. Gravity
d. Composition of air
2. Which of the following statements are true
a. Moist air weighs heavier than dry air
b. Moist air exerts low pressure than dry air
3. Identify correct statements
a. When isobars are far apart, there is marked difference in the pressure b/w the two areas and the weather is stormy
b. When the isobars are close, there is less difference in the pressure b/w the two places and the weather is calm
c. Isobars are more regular on earth than on oceans
4. There are two low pressure belts on the globe one is near equator (0-5) and the other is around poles (60-65). With reference to these low pressure regions consider the following statements
a. The low pressure region at the equator is caused by temperature and earth rotation effects
b. Low pressure region around poles is cause purely because of temperature effect, earth rotation does not play any role
5. Identify true statements
a. offshore winds blow from sea to land whereas onshore winds blow from land to sea
b. Trade winds are offshore winds whereas westerlies are onshore winds
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