Question

S m
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
(a) westerlies
(b) polar winds
(c) trade winds
(d) westerlies and trade winds
S
(c) both day and night
(d) winter
7. A sea breeze moves towards the land during
(a) day
(b) night
8. The monsoon is a type of
(a) planetary wind
(b) trade wind
9. Which of the following would you find in a cyclone?
(a) clear weather
(c) low pressure at the centre
(c) seasonal local wind
(d) westerly wind
(b) high pressure at the centre
(d) none of these​

Answer 1

Answer:

1(b). 2( b). 3(b)4( d)5(c) 6(( b)7(a) 8( b)9( c)