Climatology & Oceanography Rising

Consider the following statements: I. Without the atmosphere, temperature would be well below freezing point everywhere on the Earth's surface. II. Heat absorbed and trapped by the atmosphere maintains our planet's aver

Consider the following statements: Statement I: In January, in the Northern Hemisphere, the isotherms bend equatorward while crossing the landmasses, and poleward while crossing the oceans. Statement II: In January, th

Consider the following statements: Statement I: The amount of dust particles in the atmosphere is more in subtropical and temperate areas than in equatorial and polar regions. Statement II: Subtropical and temperate ar

Consider the following statements: Statement-I: The atmosphere is heated more by incoming solar radiation than by terrestrial radiation. Statement-II: Carbon dioxide and other greenhouse gases in the atmosphere are good

On June 21 every year, which of the following latitude(s) experience(s) a sunlight of more than 12 hours? 1. Equator 2. Tropic of Cancer 3. Tropic of Capricorn 4. Arctic Circle Select the correct answer using the code

Which of the following is/are correct inference/inferences from isothermal maps in the month of January?. 1. The isotherms deviate to the north over the ocean and to the south over the continent. 2. The presence of cold

With reference to "water vapour", which of the following statements is/are correct? 1. It is a gas, the amount of which decreases with altitude. 2. Its percentage is maximum at the poles. Select the answer using the co

With reference to "Coriolis force”, which of the following statements is/are correct? 1. It increases with increase in wind velocity. 2. It is maximum at the poles and is absent at the equator. Select the answer using

Consider the following statements: Statement-I: Thickness of the troposphere at the equator is much greater as compared to poles. Statement-II: At the equator, heat is transported to great heights by strong convectional

With reference to the Earth's atmosphere, which one of the following statements is correct?

Consider the following statements :  Statement-I: The temperature contrast between continents and oceans is greater during summer than in winter.  Statement-II: The specific heat of water is more than that of land surfa

In the northern hemisphere, the longest day of the year normally occurs in the:

Consider the following statements: 1. High clouds primarily reflect solar radiation and cool the surface of the Earth. 2. Low clouds have a high absorption of infrared radiation emanating from the Earth's surface and th

Consider the following statements: 1. In the tropical zone, the western sections of the oceans are warmer than the eastern sections owing to the influence of trade winds. 2. In the temperate zone, westerlies make the eas

With reference to the water on the planet Earth, consider the following statements: 1. The amount of water in the rivers and lakes is more than the amount of groundwater. 2. The amount of water in polar ice caps and gla

Consider the following statements: 1. Jet streams occur in the Northern Hemisphere only. 2. Only some cyclones develop an eye. 3. The temperature inside the eye of a cyclone is nearly 10°C lesser than that of the surrou

On 21st June, the Sun

Why are dewdrops not formed on a cloudy night?

Consider the following statements: 1. The winds that blow between 30 degrees N and 60 degrees S latitudes throughout the year are known as westerlies. 2. The moist air masses that cause winter rains in the North-Western

Tides occur in oceans and seas due to which among the following? 1. Gravitational Force of the Sun 2. Gravitational Force of the Moon 3. Centrifugal force of the Earth Select the correct answer using the code given bel

The term ‘IndARC’ sometimes seen in the news, is the name of?

In the South Atlantic and South Eastern Pacific regions in tropical latitudes, cyclone does not originate. What is the reason?

What explains the eastward flow of the equatorial counter-current?

The seasonal reversal of winds is the typical characteristic of -

The most important fishing grounds of the world are found in the regions where:

Variations in the length of daytime and nighttime from season to season are due to -

On the planet earth, most of the freshwater exists as ice caps and glaciers. Out of the remaining freshwater, the largest proportion

The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is/are the reason/reasons? 1. Thermal difference between land and water 2. Variation in altitude between contin

During a thunderstorm, the thunder in the skies is produced by the 1. Meeting of cumulonimbus clouds in the sky 2. Lightning that separates the nimbus clouds 3. Violent upward movement of air and water particles Select

Consider the following factors: 1. Rotation of the Earth 2. Air pressure and wind 3. The density of ocean water 4. Revolution of the Earth Which of the above factors influence the ocean currents?

A person stood alone in a desert on a dark night and wanted to reach his village which was situated 5 km east of the point where he was standing. He had no instruments to find the direction but he located the polestar. T

Normally, the temperature decreases with the increase in height from the Earth’s surface, because 1. the atmosphere can be heated upwards only from the Earth’s surface 2. there is more moisture in the upper atmosphere

La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino? 1. La Nina is characterised by unusually cold ocean temperature in the equatorial Indian Ocean whereas El Nino is cha

Westerlies in the southern hemisphere are stronger and persistent than in northern hemisphere. Why? 1. The Southern hemisphere has less landmass as compared to the Northern hemisphere. 2. Coriolis force is higher in Sout

A layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the

The jet aircraft fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 1. There are no clouds or water vapour in the lower stratosphere. 2. There are no vertical winds in the