Question

H. Choose the correct option.
1. The ionosphere helps in radio communication as it contains
(a) dust particles
(b) charged particles called ions
(c) water vapour
(d) ozone
2. The temperature varies with seasons because of variations in
(a) the number of daylight hours
(b) the inclination of the sun's rays
(c) both (a) and (b)
(d) neither (a) nor (b)
3. The atmospheric pressure over a cold region is
(a) high
(b) low
(c) normal
(d) none of these
4. A wind vane shows
(a) wind speed
(b) wind direction
(c) air pressure
(d) all of these
5. In both the hemispheres, the subtropical high-pressure belt develops near the latitude
(a) 40°
(b) 30°
(c) 80°
(d) 60
6. The diagram shows the
N
(b) polar winds
(a) westerlies
(c) trade winds
(d) westerlies and trade winds
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Answer 1

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