All Questions are from Year - 2018 or older
Question 1 :
A one-day Cricket match between India and England starts at 10.00 A.M. in London. The direct telecast of the match will begin in India at: [IFS 1993, CDS 1992]
- 3.30 A.M.
- 8.30 A.M.
- 3.30 P.M.
- 8.30 P.M.
Question 2 :
Variation in duration of day and night is due to: 1. rotation of earth on its axis 2. revolution of earth around the sun 3. inclination of earth at an angle of
- 1and 2
- 2 and 3
- 1 and 3
- 1, 2 and 3
Question 3 :
Latitude of a point on the earth is measured by the distance in: [Asstt Grade 1990]
- kilometers from the poles
- kilometers from the equator
- angles from the poles
- angles from the equator
Question 4 :
If the earth's axis had not been inclined: 1. temperature distribution would have been uniform 2. days and nights would not have occurred 3. seasons would not· have occurred 4. poles would not have continuous day
- I, III and IV
- II and IV
- III and IV
- II, III and IV
Question 5 :
Geostationary orbit is at a height of:
- 6 km
- 1000 km
- 3600 km
- 36,000 km
Question 6 :
Which of the following is not an effect produced by rotation of earth?
- It causes days and nights
- All heavenly bodies like sun, moon, planets appear to move from East to West
- Winds change their directions
- Poles have days and nights of 6 months duration
Question 7 :
If news is broadcast from London at 10:30 AM, at what time it will be heard at Baghdad (45°E)? [CDS 2012]
- 7:30 AM
- 9:00 AM
- 1:30 PM
- 12:00 Noon
Question 8 :
The South Pole experiences continuous light at:
- summer solstice
- winter solstice
- vernal equinox
- no time
Question 9 :
The seasonal contrasts are maximum in:
- low latitudes
- mid-latitudes
- sub tropics
- high latitudes
Question 10 :
The Solar eclipse achieves totality only in limited geographical regions because: [IAS 1993]
- the trajectories of the Earth around the Sun and the Moon around the Earth are not perfect circles
- the size of the shadow of the Moon on the Earth is small compared to the cross-section of the Earth
- sun rays can reach most of the peripheral regions of the shadow of the moon due to atmospheric refraction
- the Earth is not a smooth flat surface, but has elevations and depressions
Question 11 :
If a place is located at 20°N, 80°E in which of the following continents does it lie? [CDS 1989]
- Africa
- Asia
- Europe
- North America
Question 12 :
Latitude and longitude both:
- pass through poles
- run parallel to the equator
- run parallel to each other
- run perpendicular to each other
Question 13 :
The International Date Line passes through: [LlC, AAO 1994]
- Bering strait
- Gibraltar strait
- Florida strait
- Malacca strait
Question 14 :
The earth's annual circuit round the sun covers a distance of:
- 1,096 million kms
- 1,036 million kms
- 966 million kms
- 896 million kms
Question 15 :
The sun reaches its maximum angular distance from the equator at the:
- zenith
- solstice
- equinox
- noontime
Question 16 :
Which of the following are true regarding equinoxes? [CDS 1993] - 1. They occur on March 21 st and September 23rd - 2. They depict equal days and equal. nights on March 21 st and September 23rd on all places of the earth - 3. All places on the earth have equal temperature during equinoxes
- 1 and 2 only
- 2 and 3 only
- 1 and 3 only
- 1, 2 and 3
Question 17 :
Tides are complied and they vary from place to place because of: [IAS 2003]
- the movement of Moon in relation to Earth
- Uneven distribution of water over the globe
- irregularities in the configuration of oceans
- all of the above
Question 18 :
Latitudes include 181 lines while longitudes are 360 lines because:
- longitude is divided from prime meridian while latitude is from equator
- longitude is divided from equator while latitude is from prime meridian
- longitude is a line that connects North Pole to South Pole and latitude is divided from east to west
- None of these
Question 19 :
Which of the following is the best definition of 'Tides' ? [SBI PO 1991]
- A powerful movement of the ocean which proceed constantly in a definite direction
- A great circulatory movement of sea water caused by difference in density of sea water
- A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth
- A wind and pressure system having a low pressure in centre and circular wind motion
Question 20 :
The approximate diameter of the earth is :
- 4,200 Km
- 6,400 Km
- 12,800 Km
- 15,600 Km
Question 21 :
Through which one of the following groups of countries does the Equator pass? [IAS 2006]
- Brazil, Zambia and Malaysia
- Colombia, Kenya and Indonesia
- Brazil, Sudan and Malaysia
- Venezuela, Ethiopia and Indonesia
Question 22 :
The mapping of which of the following is most difficult ?
- Mountains
- Plateaus and Plains
- Interior of the Earth
- Oceans and their depth
Question 23 :
Lunar eclipse does not occur every month because:
- the sun's orbit is not always in the same plane as the moon
- the moon revolves at a slower speed than the earth
- the moon's orbit is not all the time in the same plane as the earth
- none of these
Question 24 :
The latitude of a place is the same as the: [CDS 1991]
- maximum altitude attained by the Sun at noon
- altitude of the celestial pole
- angle between the horizon and the equator
- zenith distance of the full moon when on the meridian
Question 25 :
Heat received by earth from the Sun is known as:
- insolation
- solar heat
- solar radiation
- thermal radiation
Question 26 :
When a ship crosses Date line from west to east: [Railways 1991]
- it loses one day
- it gains one day
- it loses half a day
- it gains half a day
Question 27 :
Which of the following statements regarding the earth's axis are true? 1. It makes an angle of with the plane of ecliptic 2. It maintains a flexible orientation with respect to the stars 3. It is the most important fact connected with Earth-Sun relationship
- 1 and 2
- 2 and 3
- 1 and 3
- 1, 2 and 3
Question 28 :
Which of the following pairs of metals are supposed to constitute the internal core of the earth?
- Chromium and Iron
- Magnesium and Lead
- Iron and Copper
- Nickel and Iron
Question 29 :
The Earth is an oblate spheroid and not a perfect sphere. This is because [CDS 2010] 1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator. 2. the Equator experiences greater gravitational pull from the Sun. 3. the intensity of sunlight received at the Equator is greater than that at the Poles.
- 1 only
- 1 and 2
- 3 only
- 1, 2 and 3
Question 30 :
The heavier silicates named 'Sima’ or silica + magnesium are most abundant in the:
- crust
- core
- mantle
- ocean floors