All Questions are from Year - 2018 or older
Question 2641 :
Which of the following statements with regard to the term 'great circle' is not correct?
- Equator is a great circle
- A ship can save fuel and time by following the great circle arc between two points
- Only one great circle can be drawn on a sphere
- A great circle results when a plane passes through the centre of a sphere
Question 2642 :
The speed of rotation of the earth is: [IFS 1991]
- 25 km/sec.
- 31 km/sec.
- 39.5 km/sec.
- 9.72 km/sec.
Question 2643 :
The tide at its maximum height is known as:
- Equinox
- Neap tide
- Spring tide
- Tsunami
Question 2644 :
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
Question 2645 :
Which one of the following is present in the largest amount in terms of percent by mass in the earth's crust? [IAS 1997]
- Silicon
- Oxygen
- Carbon
- Calcium
Question 2646 :
When it is 8 P.M. in Tokyo, what is the time at Panama Canal which is located at 180° W of it?
- 4.00 P.M.
- 8.00 A.M.
- 12.00 A.M.
- 12.00 Noon
Question 2647 :
What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior: 1. Mantle 2. Crust 3. Core Select the correct answer by using the codes given below: [NDA 1993]
- 1, 2, 3
- 1, 3, 2
- 2, 1, 3
- 3, 1, 2
Question 2648 :
Cooperative farming is well-developed in: 1. Denmark 2. Belgium 3. Russia 4. Sweden
- I and IV
- I, III and IV
- II, III and IV
- I, II and IV
Question 2649 :
The latitude of a place expresses its angular position relative to the plane of
- axis of the Earth
- equator
- North pole
- South pole
Question 2650 :
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 2651 :
Of the total volume of the earth, which layer forms the major part ?
- Sial
- Sima
- Mantle
- Core
Question 2652 :
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 2653 :
On the 21st June, the day light is seen at the North Pole for:
- zero hrs.
- 12 hrs.
- 18 hrs.
- 24 hrs.
Question 2654 :
The temperature decreases towards poles, because :
- at poles the snow does not melt
- the cold regions do not absorb sun rays
- the movement of cold wind is towards poles
- the sun rays falling per unit area are less at poles
Question 2655 :
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 2656 :
The production of natural rubber is dominated by :
- South America
- South-east Asia
- Central Africa
- Mediterranean region
Question 2657 :
The approximate diameter of the earth is :
- 4,200 Km
- 6,400 Km
- 12,800 Km
- 15,600 Km
Question 2658 :
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 2659 :
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 2660 :
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 2661 :
Los Angeles is famous for:
- golden beaches
- scenic beauty
- film studios
- rocket launching station
Question 2662 :
Which of the following generally produces the largest quantity of oranges?
- U.S.A
- Spain
- Brazil
- China
Question 2663 :
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 2664 :
Which one of the following regions of the world is called 'the bread basket of the world'? [IAS 2003]
- Temperate grassland
- Tropical monsoonal region
- Mediterranean region
- Savana grassland
Question 2665 :
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 2666 :
The driest spot on earth is in the Atacama desert, parts of which went without rain for 400 years. The Atacama is in :
- Africa
- Asia
- Canada
- South America
Question 2667 :
The zones of excessively dry climate with very cold temperature throughout the year correspond to: [IES 1993]
- Alpine meadows
- Antarctica
- Arctic deserts
- Tundra
Question 2668 :
Grasslands which not support any trees are called:
- lanos
- campos
- savanna
- steppes
Question 2669 :
Which one of the following elements is most abundant in the earth's crust? [NDA 2005]
- Oxygen
- Sulphur
- Silicon
- Carbon
Question 2670 :
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