Q26. 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 thus cause a warming effect. Which of the statements given above is/are correct?

Consider the following statements : Statement-I : The atmosphere is heated more by incoming solar radiation than by terrestrial radiation. Statement-II : Carbon

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

Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/ reasons is this attributable? 1. The anaer

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 th

Due to their extensive rice cultivation, some regions may be contributing to global warming. To what possible reason/ reasons is this attributable? 1. The anaer

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’

In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into the st

Consider the following statements : 1. The winds which blow between 30°N and 60°S latitudes throughout the year are known as westerlies. 2. The moist air masses

Consider the following statements : Statement-I : Thickness of the troposphere at the equator is much greater as compared to poles. Statement-II : At the equato

Cloudy nights are warmer compared to clear cloudless nights, because clouds:

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

Consider the following statements: 1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes. 2. Along the mountain gradien

Consider the following statements : 1. Either of the two belts over the oceans at about 30° to 35° N and S Latitudes is known as Horse latitude. 2. Horse latitu

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 tr

Consider the following statements : 1. The albedo of an object determines its visual brightness when viewed with reflected light. 2. The albedo of Mercury is mu

Consider the following statements : Statement-I: The temperature contrast between continents and oceans is greater during summer than in winter. Statement-II: T

With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct? 1. OMT is measured up to a depth of 26°C isotherm which is 129

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 ey

Which of the following statements are correct about the deposits of ‘methane hydrate’? 1. Global warming might trigger the release of methane gas from these dep

With reference to ‘Indian Ocean Dipole (IOD)’ sometimes mentioned in the news while forecasting Indian monsoon, which of the following statements is/are correct

Consider the following statements: 1. Annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean. 2. Annual range of temperatur

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 an

Consider the following which can be found in the ambient atmosphere: 1. Soot 2. Sulphur hexafluoride 3. Water vapour Which of the above contribute to the warmi

Why are dewdrops not formed on a cloudy night? (a) Clouds absorb the radiation released from the Earth’s surface. (b) Clouds reflect back the Earth’s radiation.

Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower at

La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino? 1. La Nina is characterized by unusually cold ocean tempe

Consider the following statements: 1. The duration of the monsoon decreases from southern India to northern India. 2. The amount of annual rainfall in the north

Consider the following statements: 1. Climate and Clean Air Coalition (CCAC) to Reduce Short Lived Climate Pollutants is a unique initiative of G2O group of cou

Consider the following statements in respect of a jet engine and a rocket: 1. A jet engine uses the surrounding air for its oxygen supply and so is unsuitable f

The scientific view is that the increase in global temperature should not exceed 2°C above the pre-industrial level. If the global temperature increases beyond

Consider the following statements : Statement-I : The soil in tropical rain forests is rich in nutrients. Statement-II : The high temperature and moisture of tr

Consider the following statements: A person in a spaceship located half way between the earth and the sun will notice that the: (1) The sky is jet black. (2) st

What could be the main reason/reasons for the formation of the African and Eurasian desert belt? 1. It is located in the sub-tropical high-pressure cells. 2. It

The acidification of oceans is increasing. Why is this phenomenon a cause of concern: 1. The growth and survival of calcareous phytoplankton will be adversely a

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

Consider the following statements: 1. Clean Development Mechanism (CDM) in respect of carbon credits is one of the Kyoto Protocol Mechanisms. 2. Under the CDM,

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 gr

Westerlies in the southern hemisphere are stronger and persistent than in the northern hemisphere. Why? 1. Southern hemisphere has less landmass as compared to

Consider the following statements : 1. In the world, the tropical deserts occur along the western margins of continents within the trade wind belt. 2. In India,

Consider the following statements: 1. Kyoto protocol came into force in the year 2005. 2. Kyoto protocol deals primarily with the depletion of the ozone layer.

In the South Atlantic and South-Eastern Pacific regions in tropical latitudes, cyclones do not originate. What is the reason ? (a) Sea surface tempera

“Each day is more or less the same, the morning is clear and bright with a sea breeze; as the Sun climbs high in the sky, heat mounts up, dark clouds

The seasonal reversal of winds is the typical characteristic of :

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 di

Which one of the following reflects back more sunlight as compared to the other three ?

What causes wind to deflect toward the left in the Southern Hemisphere ?

Assertion (A) : Wind patterns are clockwise in the Northern Hemisphere and anti-clockwise in the Southern Hemisphere. Reason (R) : The directions of w

Assertion (A) : Thickness of the atmosphere is maximum over the Equator. Reason (R) : High insolation and strong convection currents occur over the Eq