More Questions on Earth
- Q. Due to gravity, acceleration at the Equator is
A)Equal to acceleration on poles
B)Less than acceleration on poles
C)More than acceleration on poles
D)Not dependant on the centrifugal acceleration of Earth
Answer: Less than acceleration on poles
- Q. Choose the incorrect statement
A)The Sun's rays are vertical at all places on the days of the equinoxes
B)All meridians are of the same length
C)The axis of the earth is inclined at an angle of to the horizontal
D)The summer solstice for the Southern Hemisphere is in December
Answer: The Sun's rays are vertical at all places on the days of the equinoxes
- Q. The total surface area of earth is ________
A)710 million sq km
B)510 million sq km
C)610 million sq km
D)810 million sq km
Answer: 510 million sq km
- Q. The Gutenberg discontinuity is between ________
A)The outer core and the lower mantle
B)The crust and the mantle
C)The upper and lower mantles
D)The inner and outer cores
Answer: The outer core and the lower mantle
- Q. Which one of the following is not the effect of the revolution of the Earth.
A)Determination of latitudes
B)Change of seasons
C)Length of days and nights
D)Change in the direction of winds and ocean currents
Answer: Change in the direction of winds and ocean currents
- Q. The boundary between Earth’s Crust and Mantle is ________.
A)Conrad discontinuity
B)Moho discontinuity
C)Lehman discontinuity
D)Gutenberg discontinuity
Answer: Moho discontinuity
- Q. The Earth is tilted on its axis
A)21. 5°
B)23.5°
C)22.5°
D)20°
Answer: 23.5°
- Q. Consider a specific point on the surface of the earth (say Delhi). The temperature at a given time of day (say 12.00 Noon) will in general be higher in summer than in winter. This is because ________
A)The earth is closer to the sun in summer than in winter
B)The evaporation of water from atmosphere results in precipitation occurring in winter alone
C)Sun-rays falling on the earth are inclined more towards the sun in winter
D)The axis of the earth is inclined more towards the sun in winter
Answer: Sun-rays falling on the earth are inclined more towards the sun in winter
- Q. The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth’s surface is due to ________
A)Snow and ice covered areas of the earth
B)Clouds
C)Water-bodies
D)All the above reflect nearly the same amount
Answer: Clouds
- Q. Green House Effect’ means ________
A)Trapping of solar energy due to atmospheric carbon dioxide
B)Pollution in houses in tropical regions
C)Trapping of solar energy due to atmospheric oxygen
D)Cultivation in green houses so as to check pollution
Answer: Trapping of solar energy due to atmospheric carbon dioxide
- Q. What is the approximate equatorial circumference of the earth?
A)40,000 Km
B)30,000 Km
C)35,000 Km
D)45,000 Km
Answer: 40,000 Km
- Q. If a place is located at 20°N, 80°E in which of the following continents does it lie?
A)Europe
B)Africa
C)Asia
D)North America
Answer: Asia
- Q. Which one of the following is present in the largest amount in terms of percent by mass in the earth’s crust?
A)Carbon
B)Silicon
C)Oxygen
D)Calcium
Answer: Oxygen
- Q. Insolation heats up the land masses more quickly than the water bodies because ________
A)Water needs more energy to get warm
B)Water is liquid
C)Landmasses are solid
D)Rocks are bad conductors of heat
Answer: Water needs more energy to get warm
- Q. The sun is never overhead at any time in : I. North Temperate Zone II. South Temperate Zone III. North Frigid Zone IV. Torrid Zone
A)II and III
B)III only
C)I, II and III
D)I, II, III and IV
Answer: I, II and III
- Q. Latitude and longitude both ________
A)Run parallel to each other
B)Pass through poles
C)Run parallel to the equator
D)Run perpendicular to each other
Answer: Run perpendicular to each other
- Q. Geostationary orbit is at a height of ________
A)3600 km
B)6 km
C)1000 km
D)36,000 km
Answer: 36,000 km
- Q. Which of the following celestial body contains Helium-4 in abundance?
A)Venus
B)Earth
C)Moon
D)Saturn
Answer: Earth
- Q. When a ship crosses Date line from west to east ________
A)It loses half a day
B)It loses one day
C)It gains one day
D)It gains half a day
Answer: It gains one day
- Q. Spring tides occur when ________
A)The moon, the sun and the earth are at right angles with the earth at the apex
B)The moon is nearest to the earth
C)The moon is farthest from the earth
D)The moon, the sun and the earth are in the same line
Answer: The moon, the sun and the earth are in the same line
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