Q52. Assertion (A) : Thickness of the atmosphere is maximum over the Equator. Reason (R) : High insolation and strong convection currents occur over the Equator.

Given below are two statements one labelled as Assertion (A) and the other labelled as Reason (R). Assertion (A) : Areas near the equator receive rainfall throu

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

Assertion (A): Areas lying within five to eight degrees latitude on either side of the equator receive rainfall throughout the year. Reason (R): High temperatur

Assertion (A) : The amount of moisture in the atmosphere is related to latitude. Reason (R) : The capacity to hold moisture in the form of water vapour is relat

Assertion (A) : 60° - 65° latitudes in both the hemispheres have a low pressure belt instead of high pressure. Reason (R) : The low pressure areas are permanent

Assertion (A) : Existence of human life on Venus is highly improbable. Reason (R): Venus has extremely high level of carbon dioxide in its atmosphere.

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

Assertion (A) : The surface winds spiral inwards upon the centre of the cyclone. Reason (R) : Air descends in the centre of the cyclone.

Assertion (A) : Anticyclonic conditions are formed in the winter season when atmospheric pressure is high and air temperatures are low. Reason (R) : Winter rain

Assertion (A) : Unlike temperate forests, the tropical rain forests, if cleared, can yield productive farmland that can support intensive agriculture for severa

Assertion (A): The weight of a body decreases with the increase of altitude on earth. Reason (R): The earth is not a perfect sphere. Codes:

Assertion (A): A jet aircraft moving at Mach Number equal to 1 travels faster at an altitude of 15 km than while moving at Mach Number equal to 1 near the sea l

Assertion (A): A jet aircraft moving at Mach Number equal to 1 travels faster at an altitude of 15 km than while moving at Mach Number equal to 1 near the sea l

Assertion (A) : During the neap tides. The high tide is lower and the low tide is higher than usual. Reason (R) : The neap tide, unlike the spring tide, occurs

Assertion (A) : Bangalore receives much higher average annual rainfall than that of Mangalore. Reason (R) : Bangalore has the benefit of receiving rainfall both

Assertion (A): Artificial satellites are always launched from the earth in the eastward direction. Reason (R): The earth rotates from west to east and so the sa

Assertion (A) : The frequency of floods in north Indian plains has increased during the last couple of decades. Reason (R) : There has been a reduction in the d

Assertion (A) : The same face of the moon is always presented to the earth. Reason (R) : The moon rotates about its own axis in 23 and half days which is about

Assertion (A) : Chile continues to be an important producer of copper in the world. Reason (R) : Chile is endowed with the world’s largest deposit of porphyry c

Assertion (A): Information technology is fast becoming a very important field of activity in India. Reason (R) : Software is one of the major exports of the cou

Assertion (A) : Eastern coast of India produces more rice than the western coast. Reason (R) : Eastern coast receives more rainfall than the western coast.

Assertion (A): The boiling point of water decreases as the altitude increases. Reason (R): The atmospheric pressure increases with altitude. Codes: (a) Both A a

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?

Assertion (A) : India does not export natural rubber. Reason (R) : About 97% of India’s demand for natural rubber is met from domestic production.

Assertion (A): At first, the Turkish administration in India was essentially military. Reason (R): The country was parcelled out as ‘Iqtas’ among leading milita

Assertion (A): Information technology is fast becoming a very important field of activity in India. Reason (R): Software is one of the major exports of the coun

Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R): Assertion (A): Mangroves are very specialised forest ecosyst

Assertion (A) : Ganga plain is the most densely populated part of India. Reason (R) : Ganga is the most harnessed river of India.

Assertion (A): During the time of Akbar, for every ten cavalrymen, the mansabdars had to maintain twenty horses. Reason (R): Horses had to be rested while on ma

Assertion (A): To orbit around the Sun the planet Mars takes lesser time than the time taken by the earth. Reason (R): The diameter of the planet Mars is less t

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

Assertion (A) : Devaluation of a currency may promote export. Reason (R): Price of the country’s products in the international market may fall due to devaluatio

Assertion (A) : In Australia, cattle rearing is done more for meat than for milk. Reason (R) : Australians are traditionally non vegetarians

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

Consider the following statements : 1. High clouds primarily reflect solar radiation and cool the surface of the Earth. 2. Low clouds have a high abso

Consider the following statements : 1. Jet streams occur in the Northern Hemisphere only. 2. Only some cyclones develop an eye. 3. The temperature ins

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

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

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

“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 :