More Questions on Earth
- Q. The acceleration due to gravity at the equator
A)Is equal to that at the poles
B)Is less than that at the poles
C)Is greater than that at the poles
D)Does not depend on the Earth centripetal acceleration
Answer: Is less than that at the poles
- Q. The earth is at the largest distance from the sun (Apehelion) on ________
A)July 4th
B)June 21st
C)January 3rd
D)September 23rd
Answer: July 4th
- Q. Equinox occurs when the Sun is vertically above
A)Poles
B)Tropic of Capricorn
C)Tropic of Cancer
D)Equator
Answer: Equator
- Q. Which of the following phenomenon is/are the effect of the rotation of the Earth? 1. Apparent movement of the Sun, the Moon and the Stars. 2. Flatness of the poles and bulge at the Equator. 3. Occurrence of sunrise, noon and sunset 4. Magnetic field of the earth.
A)1, 2 and 3
B)1 and 3
C)2 and 3
D)1, 2, 3 and 4
Answer: 1, 2, 3 and 4
- Q. The longitudinal, transverse and surface waves in an earthquake originate from
A)The focus on the surface of the earth
B)The focus within the body of the earth
C)The epicentre on the surface of the earth
D)The epicentre within the body of the earth
Answer: The focus within the body of the earth
- Q. The core of the Earth is made up of ________
A)Both iron and silica in the liquid form
B)Mainly of iron in the liquid form
C)Mainly of nickel in the liquid form
D)Both iron and magnesium in the plastic state
Answer: Both iron and magnesium in the plastic state
- Q. Which one of the following is the correct sequence of the given continents in the decreasing order of their percentage of Earth’s land?
A)North America – Africa – Europe – South America
B)North America – Africa – South America – Europe
C)Africa – North America – South America – Europe
D)Africa – North America – Europe – South America
Answer: Africa – North America – South America – Europe
- Q. What is the circumference of the Earth?
A)25,000 km
B)13,000 km
C)20,000 km
D)40,000 km
Answer: 40,000 km
- Q. Which of the following are true regarding the Prime meridian? 1. It passes through the centre of a certain country 2. It passes through the centre of the Globe 3. It passes through the observatory at Greenwich, near London.
A)1, 2 and 3
B)1 and 2
C)1 and 3
D)2 and 3
Answer: 1, 2 and 3
- Q. Who was the first to measure the circumference of the Earth?
A)Eratosthenes
B)Erechtheus
C)Aegeus
D)Apheidas
Answer: Eratosthenes
- Q. What is the term used for the day on 23 September when day and night are equal throughout the world?
A)Winter Solstice
B)Autumnal Equinox
C)Astronomical Equinox
D)Spring Equinox
Answer: Autumnal Equinox
- Q. The distance of the equator from either of the poles is ________
A)10,002 km
B)500 km
C)5001 km
D)36,005 km
Answer: 10,002 km
- Q. The imaginary lines joining places of same height at equal intervals are
A)Spot-heights
B)Hachures
C)Contours
D)Isomers
Answer: Contours
- Q. Day and night are formed
A)Due to the speed of rotaion
B)Due to the shape of the orbit of Earth
C)Due to the motion of revolution
D)None of these
Answer: Due to the speed of rotaion
- Q. When would you record the maximum angle of incidence of the sun’s rays at the north pole?
A)When the sun's rays fall vertically on the Tropic of Cancer
B)March 21
C)September 21
D)When the sun's rays fall vertically on the Tropic of Capricorn
Answer: When the sun's rays fall vertically on the Tropic of Cancer
- Q. Magma that reaches earth’s surface and then solidifies is called
A)Quartz
B)Granite
C)Lava
D)Silicates
Answer: Lava
- Q. Albedo is defined as ________
A)Celestial bodies in earth's atmosphere which add to the greenhouse effect
B)UV radiations sent out by the SUN
C)A substance contained in the upper atmospheric layers of the earth, which is responsible for the reflection of/a part of solar radiations
D)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
Answer: 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
- 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 the time required for the Earth to return to a given point in its orbit with reference to fixed star, called?
A)Tropical year
B)Lunar year
C)Solar year
D)Sideral year
Answer: Sideral year
- Q. When it is 8 P.M. in Tokyo, what is the time at Panama Canal which is located at 180° W of it?
A)12.00 A.M.
B)4.00 P.M.
C)8.00 A.M.
D)12.00 Noon
Answer: 8.00 A.M.
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