Ozone layer is present in - (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Exosphere

Ozone layer is present in - (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Exosphere
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(3) Stratosphere Explanation: The ozone layer is mainly found in the lower portion of the stratosphere from approximately 20 to 30 kilometres above Earth, though the thickness varies seasonally and geographically. Generally, it is smaller near the equator and larger towards the poles. It also varies with season, being in general thicker during the spring and thinner during the autumn in the northern hemisphere.
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Ozone layer is present in (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Exosphere

Description : Ozone layer is present in (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Exosphere 

Last Answer : Stratosphere

Match List I (Layers of Atmosphere) and List II (Characteristics) and select the correct answer using the code given below. L ist I L i st I I (L ayer of (Char acter ist ics) At mospher e) A. Ionosphere I. Contains Ozone B. Stratosphere II. Reflects radio Waves C. Exosphere III. Fall in Temperature D. Troposphere IV. Extremely low air density (1) A-II, B-III, C-IV, D-I (2) A-II, B-I, C-IV, D-III (3) A-II, B-III, C-I, D-IV (4) A-III, B-I, C-IV, D-II

Description : Match List I (Layers of Atmosphere) and List II (Characteristics) and select the correct answer using the code given below. L ist I L i st I I (L ayer of (Char acter ist ics) At mospher e) A. Ionosphere I. Contains Ozone B. ... D-III (3) A-II, B-III, C-I, D-IV (4) A-III, B-I, C-IV, D-II

Last Answer : 2) A-II, B-I, C-IV, D-III

The layer of atmosphere close to the earth's surface is called – (1) Exosphere (2) Troposphere (3) Stratosphere (4) Ionosphere

Description : The layer of atmosphere close to the earth's surface is called – (1) Exosphere (2) Troposphere (3) Stratosphere (4) Ionosphere

Last Answer : (2) Troposphere Explanation: The troposphere is the lowest layer of Earth's atmosphere and site of all weather on Earth. It is bonded on the top by a layer of air called the Tropopause, which separates the troposphere from the stratosphere and on bottom by the surface of the Earth.

The layer of the atmosphere in which Radio Waves are reflected back is called- (1) Ionosphere (2) Troposphere (3) Stratosphere (4) Exosphere

Description : The layer of the atmosphere in which Radio Waves are reflected back is called- (1) Ionosphere (2) Troposphere (3) Stratosphere (4) Exosphere

Last Answer : (1) Ionosphere Explanation: The Radio waves are reflected back to Earth in the Ionosphere which is an electrically charged layer of the upper atmosphere. This process is used to communicate beyond the horizon, atintercontinental distances, mostly in the shortwave frequency bands.

The layer of atmosphere close to the earth’s surface is called (1) Exosphere (2) Troposphere (3) Stratosphere (4) Ionosphere

Description : The layer of atmosphere close to the earth’s surface is called (1) Exosphere (2) Troposphere (3) Stratosphere (4) Ionosphere

Last Answer : Troposphere

The layer of the atmosphere in which Radio Waves are reflected back is called ; (1) Ionosphere (2) Troposphere (3) Stratosphere(4) Exosphere

Description : The layer of the atmosphere in which Radio Waves are reflected back is called ; (1) Ionosphere (2) Troposphere (3) Stratosphere(4) Exosphere

Last Answer : Ionosphere

The temperature increases rapidly above – (1) Ionosphere (2) Exosphere (3) Stratosphere (4) Troposphere

Description : The temperature increases rapidly above – (1) Ionosphere (2) Exosphere (3) Stratosphere (4) Troposphere

Last Answer : (2) Exosphere Explanation: Above Troposphere, temperature increases rapidly with height in the Stratosphere layer as it houses the ozone layer which absorbs ultraviolet (UV) rays from the sun. Again ... Exosphere which is the uppermost layer of the atmosphere reaches up to more than 4500° Celsius.

All vital atmospheric processes leading to various climatic and weather conditions take place in the : (1) Stratosphere (2) Troposphere (3) Ionosphere (4) Exosphere

Description : All vital atmospheric processes leading to various climatic and weather conditions take place in the : (1) Stratosphere (2) Troposphere (3) Ionosphere (4) Exosphere

Last Answer : (2) Troposphere Explanation: Troposphere, that extends up to a height of 12 km on an average from the surface of the earth, is the locale of all the vital atmospheric processes which ... comprising the entire atmosphere is concentrated in this zone. This is the lowermost layer of the atmosphere.

All vital atmospheric processes leading to various climatic and weather conditions take place in the : (1) Stratosphere (2) Troposphere (3) Ionosphere (4) Exosphere

Description : All vital atmospheric processes leading to various climatic and weather conditions take place in the : (1) Stratosphere (2) Troposphere (3) Ionosphere (4) Exosphere

Last Answer : Troposphere

Which layer of the earth's atmosphere contains the ozone layer? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Description : Which layer of the earth's atmosphere contains the ozone layer? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Last Answer : (4) Stratosphere Explanation: The ozone layer is a region of Earth's stratosphere. It is mainly found in the lower portion of the stratosphere, from approximately 20 to 30 kilometres (12 to 19 mi) ... nm to 315 nm wavelength), which other-wise would be harmful to exposed life forms on the earth.

Which layer of the earth’s atmosphere contains the ozone layer ? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Description : Which layer of the earth’s atmosphere contains the ozone layer ? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Last Answer : Stratosphere

The lower layer of atmosphere is called (1) exosphere (2) troposphere (3) ionosphere (4) mesosphere

Description : The lower layer of atmosphere is called (1) exosphere (2) troposphere (3) ionosphere (4) mesosphere

Last Answer : (2) troposphere Explanation: The troposphere is the lowest layer of the Earth's atmosphere, The air is very well mixed and the temperature decreases with altitude.

In atmosphere the lowermost layer is – (1) troposphere (2) exosphere (3) ionosphere (4) strato sphere

Description : In atmosphere the lowermost layer is – (1) troposphere (2) exosphere (3) ionosphere (4) strato sphere

Last Answer : (1) troposphere Explanation: The troposphere is the lowest portion of Earth's atmosphere. It contains approximately 80% of the atmosphere's mass and 99% of its water vapor and aerosols. The average ... in winter. Most of the phenomena we associate with day-to-day weather occur in the troposphere

The lower layer of atmosphere is called (1) exosphere (2) troposphere (3) ionosphere (4) mesosphere

Description : The lower layer of atmosphere is called (1) exosphere (2) troposphere (3) ionosphere (4) mesosphere

Last Answer : troposphere

In atmosphere the lowermost layer is (1) troposphere (2) exosphere (3) ionosphere (4) strato sphere

Description : In atmosphere the lowermost layer is (1) troposphere (2) exosphere (3) ionosphere (4) strato sphere

Last Answer : troposphere

The atmospheric layer farthest from the Earth's surface is known as– (1) Stratosphere (2) Exosphere (3) Ionosphere (4) (4)Mesosphere

Description : The atmospheric layer farthest from the Earth's surface is known as– (1) Stratosphere (2) Exosphere (3) Ionosphere (4) (4)Mesosphere

Last Answer : (2) Exosphere Explanation: The Radio waves are reflected back to Earth in the Ionosphere which is an electrically charged layer of the upper atmosphere. This process is used to communicate beyond the horizon, at intercontinental distances, mostly in the shortwave frequency bands.

Which of the following is the uppermost layer of the atmosphere? (1) Stratosphere (2) Mesosphere (3) Ionosphere (4) Exosphere

Description : Which of the following is the uppermost layer of the atmosphere? (1) Stratosphere (2) Mesosphere (3) Ionosphere (4) Exosphere

Last Answer : (4) Exosphere Explanation: The exosphere is the outermost layer of Earth's atmosphere. It extends from the exobase, which is located at the top of the thermosphere at an altitude of about ... molecules. The exosphere is located too far above Earth for any meteorological phenomena to be possible.

Which layer of the earth’s atmosphere reflects back the radio waves to the earth’s surface? (1) Ionosphere (2) Stratosphere (3) Mesosphere (4) Exosphere

Description : Which layer of the earth’s atmosphere reflects back the radio waves to the earth’s surface? (1) Ionosphere (2) Stratosphere (3) Mesosphere (4) Exosphere

Last Answer : (1) Ionosphere Explanation: Long distance propagation of radio waves depends on an invisible layer of charged particles, which envelops the Earth. This layer of charged particles known as the ionosphere ... communication during the early part of the twentieth century, the ionosphere came as a boon.

Which layer of the earth’s atmosphere reflect back the radio waves to the earth’s surface ? (1) ionosphere (2) stratosphere (3) mesosphere (4) exosphere

Description : Which layer of the earth’s atmosphere reflect back the radio waves to the earth’s surface ? (1) ionosphere (2) stratosphere (3) mesosphere (4) exosphere 

Last Answer : ionosphere

Which of the following is the uppermost layer of the atmosphere? (1) Stratosphere (2) Mesosphere (3) Ionosphere (4) Exosphere

Description : Which of the following is the uppermost layer of the atmosphere? (1) Stratosphere (2) Mesosphere (3) Ionosphere (4) Exosphere

Last Answer : Exosphere

The atmospheric layer farthest from the Earth’s surface is known as (1) Stratosphere (2)Exosphere (3) Ionosphere (4)Mesosphere

Description : The atmospheric layer farthest from the Earth’s surface is known as (1) Stratosphere (2)Exosphere (3) Ionosphere (4)Mesosphere

Last Answer : Exosphere

Coke is made by heating coal in the absence of air at: A. 700 °C B. 1300 °C C. 900 °C D. 1700 °C ANSWER: Most of the ozone in the atmosphere is concentrated in the _____ A. Mesosphere B. Troposphere C. Stratosphere D. Ionosphere

Description : Coke is made by heating coal in the absence of air at: A. 700 °C B. 1300 °C C. 900 °C D. 1700 °C ANSWER: Most of the ozone in the atmosphere is concentrated in the _____ A. Mesosphere B. Troposphere C. Stratosphere D. Ionosphere

Last Answer : ANSWER: C

Most of the ozone in the atmosphere is concentrated in the------? A. Mesosphere B. Troposphere C. Stratosphere (Answer) D. Ionosphere

Description : Most of the ozone in the atmosphere is concentrated in the------? A. Mesosphere B. Troposphere C. Stratosphere (Answer) D. Ionosphere

Last Answer : C. Stratosphere (Answer)

Most of the ozone in the atmosphere is concentrated in the -------? A. Mesosphere B. Troposphere C. Stratosphere (Answer) D. ionosphere

Description : Most of the ozone in the atmosphere is concentrated in the -------? A. Mesosphere B. Troposphere C. Stratosphere (Answer) D. ionosphere

Last Answer : C. Stratosphere (Answer)

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)

Description : Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion ... rate? (A) CO (B) SO2 (C) NOx (D) CFC (chloro fluoro carbons)

Last Answer : (A) CO

The layer where the decrease in temperature with increasing altitude is totally absent is – (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Description : The layer where the decrease in temperature with increasing altitude is totally absent is – (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : (3) Stratosphere Explanation: The stratosphere defines a layer in which temperatures rises with increasing altitude. At the top of the stratosphere the thin air may attain temperatures close to ... . Consequently, the stratosphere is almost completely free of clouds or other forms of weather.

The layer of atmosphere used for radiowave transmission is – (1) chromosphere (2) troposphere (3) ionosphere (4) stratosphere

Description : The layer of atmosphere used for radiowave transmission is – (1) chromosphere (2) troposphere (3) ionosphere (4) stratosphere

Last Answer : (3) ionosphere Explanation: The ionosphere is a part of the upper atmosphere and is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner ... importance because, among other functions, it influences radio propagation to distant places on the Earth.

The lowest layer of atmosphere is known as the (A) Stratosphere (B) Troposphere (C) Ionosphere (D) None of these

Description : The lowest layer of atmosphere is known as the (A) Stratosphere (B) Troposphere (C) Ionosphere (D) None of these

Last Answer : (B) Troposphere

The upper layer of atmosphere is called the (A) Stratosphere (B) Troposphere (C) Ionosphere (D) None of these

Description : The upper layer of atmosphere is called the (A) Stratosphere (B) Troposphere (C) Ionosphere (D) None of these

Last Answer : (A) Stratosphere

The main atmospheric layer near the surface of earth is a) Troposphere b) Mesosphere c) Ionosphere d) Stratosphere

Description : The main atmospheric layer near the surface of earth is a) Troposphere b) Mesosphere c) Ionosphere d) Stratosphere

Last Answer : a) Troposphere

The layer of atmosphere used for radio-wave transmission is (1) chromosphere (2) troposphere (3) ionosphere (4) stratosphere

Description : The layer of atmosphere used for radio-wave transmission is (1) chromosphere (2) troposphere (3) ionosphere (4) stratosphere

Last Answer : ionosphere

The layer where the decrease in temperature with increasing altitude is totally absent is (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Description : The layer where the decrease in temperature with increasing altitude is totally absent is (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : Stratosphere

The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the (A) Ionosphere (B) Troposphere (C) Stratosphere (D) None of these

Description : The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the (A) Ionosphere (B) Troposphere (C) Stratosphere (D) None of these

Last Answer : (B) Troposphere

Which atmospheric layer contains ozone layer? (1) Genosphere (2) Zonosphere (3) Stratosphere (4) Ionosphere

Description : Which atmospheric layer contains ozone layer? (1) Genosphere (2) Zonosphere (3) Stratosphere (4) Ionosphere

Last Answer : (3) Stratosphere Explanation: The ozone layer is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radioation.

Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric pressure and low temperature (C) Troposphere is a dusty zone containing water vapor and clouds (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Description : Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric ... radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Last Answer : (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere

Pick out the wrong statement. (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere (B) Stratosphere is rich in ozone and is located just above the troposphere (C) Troposphere is a turbulent dusty zone containing much of water vapor and clouds (D) The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms

Description : Pick out the wrong statement. (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere (B) ... ) The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms

Last Answer : (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere

Choose the correct option which represents the arrangement of atmospheric layers. (1) Ionosphere, Ecosphere, Mesosphere, Stratosphere, Troposphere (2) Ecosphere, Troposphere, Ionosphere, Mesosphere, Stratosphere (3) Mesosphere, Ionosphere. Eco-sphere, Troposphere, Stratosphare (4) Troposphare, Ionosphere, Ecosphere

Description : Choose the correct option which represents the arrangement of atmospheric layers. (1) Ionosphere, Ecosphere, Mesosphere, Stratosphere, Troposphere (2) Ecosphere, Troposphere, Ionosphere, ... Mesosphere, Ionosphere. Eco-sphere, Troposphere, Stratosphare (4) Troposphare, Ionosphere, Ecosphere

Last Answer : (4) Troposphare, Ionosphere, Ecosphere Explanation: From top to bottom, the Earth's atmosphere is divided into five main layers, the exosphere, the thermosphere, the mesosphere, the stratosphere and the troposphere. ... km Mesosphere: 50 to 80 km Stratosphere: 12 to 50 km Troposphere: 0 to 12 km

Where does most of the weather phenomena take place? (1) Ionosphere (2) Troposphere (3) Stratosphere (4) (4)Tropopause

Description : Where does most of the weather phenomena take place? (1) Ionosphere (2) Troposphere (3) Stratosphere (4) (4)Tropopause

Last Answer : (2) Troposphere Explanation: Weather is the state of the atmosphere, to the degree that it is hot or cold, wet or dry, calm or stormy, clear or cloudy. Most weather phenomena ... precipitation activity, whereas climate is the term for the average atmospheric conditions over longer periods of Lime.

Daily weather changes in the atmosphere are associated with – (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Description : Daily weather changes in the atmosphere are associated with – (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Last Answer : (1) Troposphere Explanation: The lowest layer of the atmosphere, 6 miles (10 km) high in some areas and as much as 12 miles (20 km) high in others, within which ... temperature with increasing altitude and within which nearly all cloud formations occur and weather conditions manifest themselves.

A level of atmosphere which is composed partly of electrons and positive ions is called – (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Description : A level of atmosphere which is composed partly of electrons and positive ions is called – (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : (2) Ionosphere Explanation: Ionosphere is composed partly of electrons and positive ions. It is a region of Earth's upper atmosphere, from about 60 km to 1,000 km altitude, that is ionized by solar radiation. This layer is also called thermosphere as its temperature rises with height.

Density of the earth's atmosphere is highest in the – (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Ionosphere

Description : Density of the earth's atmosphere is highest in the – (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Ionosphere

Last Answer : (1) Troposphere Explanation: Over 99% of the mass of the earth's atmosphere is contained in two layers: the troposphere and the stratosphere. Most of the earth's atmosphere (80 to 90%) is found in the ... . This layer, where the earth's weather occurs, is within about 12 km of the earth's surface.

In radio-communication, the signals emitted by transmitting antenna are reflected on – (1) stratosphere (2) ozonosphere (3) ionosphere (4) troposphere

Description : In radio-communication, the signals emitted by transmitting antenna are reflected on – (1) stratosphere (2) ozonosphere (3) ionosphere (4) troposphere

Last Answer : (3) ionosphere Explanation: The lower atmosphere is more or less transparent to radio waves. However, the ionosphere reflects back the radio waves. Thus, a signal emitted by an antenna from a ... on the surface of Earth in the following two ways: ground wave propagation and sky wave propagation.

The lowest region of the earth’s atmosphere comes between the earth and stratosphere. what is this region’s name? A. Ionosphere B. Troposphere (Answer) C. Stratosphere D. Mesosphere

Description : The lowest region of the earth’s atmosphere comes between the earth and stratosphere. what is this region’s name? A. Ionosphere B. Troposphere (Answer) C. Stratosphere D. Mesosphere

Last Answer : B. Troposphere (Answer)

Which among the following is the correct sequence of the various layers of the Atmosphere from the Earth’s surface? A. Ionosphere, Mesosphere, Stratosphere, Troposphere B. Mesosphere, Stratosphere, Ionosphere, Troposphere C. Troposphere, Stratosphere, Mesosphere, Ionosphere (Answer) D. Troposphere, Ionosphere, Stratosphere, Mesosphere

Description : Which among the following is the correct sequence of the various layers of the Atmosphere from the Earth's surface? A. Ionosphere, Mesosphere, Stratosphere, Troposphere B. ... . Troposphere, Stratosphere, Mesosphere, Ionosphere (Answer) D. Troposphere, Ionosphere, Stratosphere, Mesosphere

Last Answer : C. Troposphere, Stratosphere, Mesosphere, Ionosphere (Answer)

The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from------ ? A. Ionosphere (Answer) B. Troposphere C. Mesosphere D. Stratosphere E. None of these

Description : The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from------ ? A. Ionosphere (Answer) B. Troposphere C. Mesosphere D. Stratosphere E. None of these

Last Answer : A. Ionosphere (Answer)

Which of the following layers make radio transmission possible? A. Troposphere B. Ionosphere (Answer) C. Mesosphere D. Stratosphere E. None of these

Description : Which of the following layers make radio transmission possible? A. Troposphere B. Ionosphere (Answer) C. Mesosphere D. Stratosphere E. None of these

Last Answer : B. Ionosphere (Answer)

The jet-stream lies between which two layers of th earth's atmosphere? w) thermosphere and ionosphere x) mesosphere and thermosphere y) troposphere and stratosphere z) stratosphere and mesosphere

Description : The jet-stream lies between which two layers of th earth's atmosphere? w) thermosphere and ionosphere x) mesosphere and thermosphere y) troposphere and stratosphere z) stratosphere and mesosphere

Last Answer : ANSWER: Y -- TROPOSPHERE AND STRATOSPHERE

In radio-communication, the signals emitted by transmitting antenna are reflected on (1) stratosphere(2) ozonosphere (3) ionosphere (4) troposphere

Description : In radio-communication, the signals emitted by transmitting antenna are reflected on (1) stratosphere(2) ozonosphere (3) ionosphere (4) troposphere

Last Answer : ionosphere

A level of atmosphere which is composed partly of electrons and positive ions is called (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Description : A level of atmosphere which is composed partly of electrons and positive ions is called (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : Ionosphere

Choose the correct option which represents the arrangement of atmospheric layers. (1) Ionosphere, Ecosphere, Mesosphere, Stratosphere, Troposphere (2) Ecosphere, Troposphere, Ionosphere, Mesosphere, Stratosphere (3) Mesosphere, Ionosphere. Ecosphere, Troposphere, Stratosphare (4) Troposphare, Ionosphere, Ecosphere

Description : Choose the correct option which represents the arrangement of atmospheric layers. (1) Ionosphere, Ecosphere, Mesosphere, Stratosphere, Troposphere (2) Ecosphere, Troposphere, Ionosphere, ... ) Mesosphere, Ionosphere. Ecosphere, Troposphere, Stratosphare (4) Troposphare, Ionosphere, Ecosphere

Last Answer : Troposphare, Ionosphere, Ecosphere