More Questions on Earth
- Q. Days and nights are caused by : 1. rotation of the earth on its axis 2. revolution of the earth around the sun 3. inclination of the earth’s axis
A)2 and 3 are correct
B)Only 1 is correct
C)1 and 2 are correct
D)All are correct
Answer: Only 1 is correct
- Q. What can be the maximum duration of totality for a solar eclipse?
A)1 hour 40 seconds
B)12.5 minutes
C)7 minutes 40 seconds
D)There is no maximum duration
Answer: 7 minutes 40 seconds
- Q. The mean radius of the earth is approximately ________
A)9600 km
B)3200 km
C)6400 km
D)12800 km
Answer: 6400 km
- Q. Which among the following statments is true regarding International Date Line?
A)It is a big circle
B)It is 180° Longitude
C)It is a straight line
D)It is a curved line beyond Earth
Answer: It is 180° Longitude
- Q. Marble is the metamorphosed form of
A)Sandstone
B)Shale
C)Basalt
D)Limestone
Answer: Limestone
- Q. In how much time, Earth rotates once on its axis?
A)23 hours 10 minutes 2 sec
B)23 hours 30 minutes
C)23 hours 56 minutes 4.9 sec
D)24 hours
Answer: 23 hours 56 minutes 4.9 sec
- Q. The approximate circumference of the Earth is
A)25,000 km
B)13,000 km
C)20,000 km
D)40,000 km
Answer: 40,000 km
- Q. The area of the Earth’s total surface is of the order of ________.
A)400 million square kilometres
B)510 million square kilometres
C)450 million square kilometres
D)350 million square kilometres
Answer: 510 million square kilometres
- Q. The imaginary lines which connects the places of same temperature are called
A)Isohaline
B)Isobar
C)Isohyet
D)Isotherm
Answer: Isotherm
- Q. There is a continual daylight or summer in the Arctic regions from ________
A)21st March to 23rd September
B)22nd December to 21st March
C)21st March to 21st June
D)21st June to 22nd December
Answer: 21st March to 23rd September
- Q. The most abundant metal in the Earth’s Crust is
A)Aluminium
B)Zinc
C)Copper
D)Iron
Answer: Aluminium
- 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. “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. The Synchronous satellite moves around the Earth from
A)North to South
B)East to West
C)West to East
D)South to North
Answer: West to East
- Q. One day in Mumbai a tide occurs at 8.00 A.M. The next day it will occur at ________
A)8.52 AM
B)8.13 AM
C)8.26 AM
D)8.56 AM
Answer: 8.52 AM
- Q. Lunar eclipse does not occur every month because ________
A)The moon's orbit is not all the time in the same plane as the earth
B)The sun's orbit is not always in the same plane as the moon
C)The moon revolves at a slower speed than the earth
D)None of these
Answer: The moon's orbit is not all the time in the same plane as the earth
- Q. If the earth’s direction of rotation is reversed, what would be the IST when it is noon at the International Date Line?
A)18.30 hrs
B)06.30 hrs
C)05.30 hrs
D)17.30 hrs
Answer: 06.30 hrs
- Q. Which of the following celestial body contains Helium-4 in abundance?
A)Venus
B)Earth
C)Moon
D)Saturn
Answer: Earth
- Q. The shortest day in Australia will be on ________
A)01-09-2023
B)21-06-2021
C)01-12-2022
D)01-03-2021
Answer: 21-06-2021
- Q. What is ‘Sidereal Day’?
A)The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
B)The day on which the duration of sunshine is the maximum
C)The day on which the duration of sunshine and darkness are equal
D)The day on which the sun reaches its maximum distance from the equator
Answer: The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
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