More Questions on Earth
- 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. What is the interval between a high tide and low tide at a given place?
A)15 hours 30 minutes
B)12 hours
C)12 hours 26 minutes
D)24 hours
Answer: 12 hours 26 minutes
- 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. 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. The latitude of a place expresses its angular position relative to the place of ________
A)North pole
B)Axis of the earth
C)Equator
D)South pole
Answer: Equator
- Q. We always see the same surface of the Moon because
A)It takes the same time to rotate on its axis and moving around the Earth
B)It is smaller than the Earth
C)It rotates on its axis
D)It moves with the same speed at which Earth moves around the Sun
Answer: It takes the same time to rotate on its axis and moving around the Earth
- Q. What is the position of the Earth when it is at the greatest distance from the Sun?
A)Perihelion
B)Aphelion
C)Antipode
D)Aldiatc
Answer: Aphelion
- 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. 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 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. The network of the series of vertical and horizontal lines is known as
A)Longitude
B)Latitude
C)Geid System
D)Geographical Coordinates System
Answer: Geographical Coordinates System
- 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 instrument to measure the area on maps is called
A)Pantograph
B)Planimeter
C)Ideograph
D)Opisometer
Answer: Planimeter
- Q. Evidence suggests that life on Earth has existed for about ________.
A)35 million years
B)3.5 million years
C)35 billion years
D)3.5 billion years
Answer: 3.5 billion years
- 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. Which of the following is not an effect produced by rotation of earth?
A)Winds change their directions
B)It causes days and nights
C)All heavenly bodies like sun, moon, planets appear to move from East to West
D)Poles have days and nights of 6 months duration
Answer: Poles have days and nights of 6 months duration
- Q. The local time at A is 4 pm, when Greenwich Mean Time is 2 p.m. This indicates: 1. A is east of Greenwich 2. the longitude of A is 30°
A)Neither I nor II
B)Only I
C)Only II
D)Both I and II
Answer: Both I and II
- Q. Tides in the sea have stored in them ________
A)Gravitational potential energy
B)Hydraulic energy
C)Kinetic energy
D)A combination of all the above three forms of energy
Answer: A combination of all the above three forms of energy
- Q. Which of the following pairs of metals are supposed to constitute the internal core of the earth?
A)Iron and Copper
B)Chromium and Iron
C)Magnesium and Lead
D)Nickel and Iron
Answer: Nickel and Iron
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