Earth Geography

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

Correct 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

More Questions on Earth

  • Q. Which of the following are true regarding the crust of the earth? I. It is the outer thin layer with a total thickness of about 100 km II. It forms around 0.5% of the earth’s volume III. The outer covering of the crust is of sedimentary material IV. The lower layer of the crust consists of basaltic and ultra-basic rocks
    A)I, II and IV
    B)I and II
    C)I, II and III
    D)I, II, III and IV
    Answer: I, II and IV
  • 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. If the difference in time between, two places were 2 hours and 20 minutes, then the difference in their longitudes would be ________
    A)40°
    B)30°
    C)35°
    D)45°
    Answer: 35°
  • Q. Masses of stars and galaxies are usually expressed in ________.
    A)Lunar mass
    B)Earth's mass
    C)Solar mass
    D)Neutron mass
    Answer: Solar mass
  • 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. It is six months long day in the northern polar region and six months long night in the southern polar region because ________
    A)Earth is rotating
    B)Earth is revolving around the sun
    C)Earth is inclined towards its orbital plane
    D)None of these
    Answer: Earth is inclined towards its orbital plane
  • Q. If a traveller going from Vancouver to Tokyo crosses the International Date Line on Saturday, what will be the day for him at Tokyo?
    A)Sunday
    B)Friday
    C)Saturday
    D)Monday
    Answer: Sunday
  • Q. What is the approximate circumference of Earth?
    A)80,000 Km
    B)40,000 Km
    C)60,000 Km
    D)1,00,000 Km
    Answer: 40,000 Km
  • Q. Which part of the earth’s surface receives the highest amount of insolation?
    A)Savanna region
    B)Tropical deserts
    C)Equatorial region
    D)No such criteria
    Answer: Tropical deserts
  • 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. On which of the following date/dates, Winter Solstice is observed in Northern Hemisphere? I. 21st December II. 5th August III. 10th January
    A)Only 3
    B)Only 1
    C)1 and 2 Both
    D)Only 2
    Answer: Only 1
  • Q. In which of the following areas, the “Midnight Sun” can be seen?
    A)Arctic and Antarctica circle
    B)In tropical areas
    C)In temperate areas
    D)Anywhere during solar eclipse
    Answer: Arctic and Antarctica circle
  • Q. What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior: 1. Mantle 2. Crust 3. Core Select the correct answer by using the codes given below
    A)2, 1, 2003
    B)1, 2, 2003
    C)1, 3, 2002
    D)3, 1, 2002
    Answer: 2, 1, 2003
  • Q. The difference in the duration of day and night increases as one moves from ________
    A)Poles to equator
    B)West to east
    C)East and west of the prime meridian
    D)Equator to poles
    Answer: Equator to poles
  • Q. Which of the following countries are located on the Greenwich Meridian? 1. Algeria 2. Germany 3. Guinea 4. Iceland
    A)1, 2 and 3
    B)1 only
    C)2 only
    D)1, 3 and 4
    Answer: 1 only
  • 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 statements is/are correct? 1. A crossing of the International Date Line entails repeating one day when traveling westwards 2. A crossing of the International Date Line entails repeating one day when traveling eastwards 3. International Date Line is an internationally agreed line drawn parallel to the 180° meridian 4. International Date Line divides the Pacific Ocean into two equal parts.
    A)1 alone
    B)2 alone
    C)2, 3 and 4
    D)1, 3 and 4
    Answer: 2, 3 and 4
  • Q. Study the following diagram and say which of the given statements is not correct regarding it ________
    A)There is continuous day north of the Arctic Circle
    B)It shows the earth's orbital position on 21st June
    C)All parallels in the northern hemisphere have days equal to nights
    D)South of the equator the length of the day decreases with increasing latitude
    Answer: All parallels in the northern hemisphere have days equal to nights
  • Q. Why does Russia have many local time differences?
    A)Because of its long east-west stretches
    B)Because it keeps trade relations with many countries of the world
    C)Because it experiences a wide range of climatic conditions
    D)Because it is divided into a number of states on political grounds
    Answer: Because of its long east-west stretches
  • 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

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