More Questions on Earth
- Q. The speed of rotation of the earth is ________
A)39.5 km/sec.
B)25 km/sec.
C)31 km/sec.
D)29.72 km/sec.
Answer: 29.72 km/sec.
- Q. Through which one of the following groups of countries does the Equator pass?
A)Brazil, Sudan and Malaysia
B)Brazil, Zambia and Malaysia
C)Colombia, Kenya and Indonesia
D)Venezuela, Ethiopia and Indonesia
Answer: Colombia, Kenya and Indonesia
- Q. Which of these statements are correct? 1. Earth is the fourth largest planet of the solar system 2. Earth’s circumference is about 45000 km 3. Earth’s polar diameter is about 43 km shorter than its equatorial diameter 4. Earth has a total surface area of 510 million sq.km
A)2 and 3
B)1 and 2
C)1 and 4
D)3 and 4
Answer: 3 and 4
- Q. Days and nights are similar here
A)Antarctica
B)Poles
C)Main time zone
D)Equator
Answer: Equator
- Q. Which one of the following would have occurred if the earth had not been inclined on its own axis?
A)The summers would have been of longer duration
B)All the seasons would have been of same duration
C)The seasons would not have changed
D)The winters would have been of longer duration
Answer: The seasons would not have changed
- 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. The position of the sun is annually twice overhead at Singapore because of the ________
A)Elliptical path of the earth's orbit
B)Rotation of the earth
C)Revolution of the earth
D)Parallelism of inclined axis of the earth
Answer: Parallelism of inclined axis of the earth
- Q. The Earth rotates-around an axis pointing towards ________
A)The sun
B)The moon
C)The pole star
D)Venus
Answer: The pole star
- 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 of the following is caused by the combine deffects of the gravitational forces exerted by the Moon and the Sun on sea levels?
A)Tides
B)Currents
C)Runoff
D)Waves
Answer: Tides
- Q. The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. This is known as ________
A)Heat balance of earth
B)Earth radiation
C)Wave balance of earth
D)Radiation exchange
Answer: Heat balance of earth
- 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 upper part of the mantle upon which the crust of the Earth floats is called ________
A)Mohorovic discontinuity
B)Barysphere
C)Mesophere
D)Asthenosphere
Answer: Asthenosphere
- 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
- Q. The imaginary lines which connects the places of same temperature are called
A)Isohaline
B)Isobar
C)Isohyet
D)Isotherm
Answer: Isotherm
- Q. “Mohs’ Scale” is used to indicate the ________
A)Degree of viscosity of a liquid
B)Degree of brittleness of a substance
C)Degree of hardness of minerals.
D)Degree of elasticity of a material
Answer: Degree of hardness of minerals.
- Q. An aeroplane takes off from 30° N latitude, 50° E longitude and lands at the opposite end of the earth. Where does it land?
A)50° N Lat., 30° W Long
B)30° N Lat., 50° W Long
C)30° S Lat., 130° W Long
D)30° N Lat., 130°W Long
Answer: 30° S Lat., 130° W Long
- Q. The approximate diameter of the earth is ________
A)12,800 Km
B)4,200 Km
C)6,400 Km
D)15,600 Km
Answer: 12,800 Km
- Q. Which of the following pairs is wrong?
A)IsohaleSun - light
B)Isohyet - Humidity
C)Isobar - Pressure
D)Isotherm - Temperature
Answer: Isohyet - Humidity
- Q. How old is Earth, It is decided by which of the following processes?
A)Gravity Method
B)Geologic Time Scale
C)Radiometric Dating
D)Fossil Dating
Answer: Radiometric Dating
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