All Questions are from Year - 2018 or older
Question 31 :
Which one of the following elements is most abundant in the earth's crust? [NDA 2005]
- Oxygen
- Sulphur
- Silicon
- Carbon
Question 32 :
The Gutenberg discontinuity is between:
- the crust and the mantle
- the upper and lower mantles
- the outer core and the lower mantle
- the inner and outer cores
Question 33 :
Which one of the following cities does not have the same clock time as that of the other three cities at any given instant? [IAS 2007]
- London (UK)
- Lisbon (Portugal)
- Accra (Ghana)
- Addis Ababa (Ethiopia)
Question 34 :
Who among the following was first to measure the circumference of the Earth? [NDA 2008]
- Eratosthenes
- Aristotle
- Hecataeus
- Herodotus
Question 35 :
The earth is at the least distance from the sun (Perihelion) on :
- December 22nd
- January 3rd
- July 4th
- June 21st
Question 36 :
Lunar eclipse occurs on :
- New moon
- Full moon
- Half moon
- Quarter moon
Question 37 :
If there are four places on the same meridian 500km apart and the local time at one place is 12.00 noon, what will be the time at the three other places? [NDA 2008]
- 12.00noon
- 1.00pm
- 2.00pm
- Different time at different places
Question 38 :
The amount of insolation received at a place on the surface of the earth depends on:
- its climate
- its latitude
- its longitude
- Both (a)and (b)
Question 39 :
Which of the following .countries are located on the Greenwich Meridian? 1. Algeria 2. Germany 3. Guinea 4. Iceland
- 1 only
- 2 only
- 1, 2 and 3
- 1, 3 and 4
Question 40 :
The International Dateline deflects to a side to avoid:
- Society islands
- Hawaii
- Aleutian Islands
- All the above
Question 41 :
Which of the following pairs is not correctly matched? [NDA 1993]
- 66° 33' N latitude - Arctic Circle
- 180°E or 180°W longitude- International Date Line
- 23° 20' N latitude - Tropic of Cancer
- 0° E or 0°W longitude – Equator
Question 42 :
There is a continual daylight or summer in the Arctic regions from:
- 22nd December to 21st March
- 21st March to 21st June
- 21st March to 23rd September
- 21st June to 22nd December
Question 43 :
At 12 noon of December 21, you observe that you cast no shadow as you stand in bright sunlight. So you must be, somewhere near:
- the Arctic Circle
- the Tropic of Cancer
- the Tropic of Capricorn
- the South Pole
Question 44 :
The word used to describe the shape of earth is:
- flat
- circle
- sphere
- oblate spheroid
Question 45 :
The total surface area of earth is : [CDS 2000]
- 510 million sq km
- 610 million sq km
- 710 million sq km
- 810 million sq km
Question 46 :
One day in Mumbai a tide occurs at 8.00 A.M. The next day it will occur at :
- 8.13 A.M.
- 8.26 A.M.
- 8.52 A.M.
- 8.56 A.M.
Question 47 :
The Sun shines vertically on the equator:
- throughout the year
- for six months
- twice a year
- once a year
Question 48 :
Which one of the following is the correct sequence of the given Continents in the decreasing order of their percentage of Earth's land? [IAS 2005]
- North America – Africa – South America – Europe
- Africa – North America – South America – Europe
- North America – Africa – Europe – South America
- Africa – North America – Europe – South America
Question 49 :
The shortest day in Australia will be on:
- June 21
- December 22
- September 23
- March 21
Question 50 :
The latitude of a place expresses its angular position relative to the plane of
- axis of the Earth
- equator
- North pole
- South pole
Question 51 :
Assume that the moon takes exactly 30 days to complete the cycle and also assume that it rises in the east exactly at 6.48 p.m., on the first day. On the fourth day, at what time will it rise? [IAS 2002]
- 8.24 p.m
- 9. 12 p.m
- 10.00 p.m
- 11.48 p.m.
Question 52 :
Albedo is defined as:
- UV radiations sent out by the SUN
- a substance contained in the upper atmospheric layers of the earth, which is responsible for the reflection of/a part of solar radiations
- celestial bodies in earth's atmosphere which add to the greenhouse effect
- the amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the Earth's surface
Question 53 :
At neap tide: 1. the sun and moon exert their force at right angles 2. the tidal amplitude is high 3. the low tides are very low
- 1
- 2 and 3
- 1 and 2
- 1, 2 and 3
Question 54 :
Lunar eclipse is caused when the: [Hotel Management 1991]
- moon comes between the sun and the earth
- earth comes between the sun and the moon
- sun comes between the earth and moon
- none of these
Question 55 :
Insolation heats up the land masses more quickly than the water bodies because:
- water is liquid
- landmasses are solid
- water needs more energy to get warm
- rocks are bad conductors of heat
Question 56 :
On the 21st June, the day light is seen at the North Pole for:
- zero hrs.
- 12 hrs.
- 18 hrs.
- 24 hrs.
Question 57 :
Of the total volume of the earth, which layer forms the major part ?
- Sial
- Sima
- Mantle
- Core
Question 58 :
Which one of the following is not the effect of the revolution of the Earth. [IAS 2003]
- Change of seasons
- length of days and nights
- Determination of latitudes
- Change in the direction of winds and ocean currents
Question 59 :
The time of Cairo is 2 hours ahead of Greenwich time Cairo is situated at :
- 27° East
- 28° West
- 30° East
- 30° West
Question 60 :
All the watches of a country are set according to :
- local time
- standard time of the country
- greenwich mean time
- time of sunrise and sunset