What is the amount of oxygen in the atmosphere? -General Knowledge

What is the amount of oxygen in the atmosphere? -General Knowledge
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What is the amount of oxygen in the atmosphere? -General Knowledge

Description : What is the amount of oxygen in the atmosphere? -General Knowledge

Last Answer : answer:

What would happen to the amount of oxygen in Earth and atmosphere if half the trees on Earth were cut down Why?

Description : What would happen to the amount of oxygen in Earth and atmosphere if half the trees on Earth were cut down Why?

Last Answer : Need answer

What would happen to animals if the amount of oxygen the earths atmosphere decreased?

Description : What would happen to animals if the amount of oxygen the earths atmosphere decreased?

Last Answer : youll die

What would happen to animals if the amount of oxygen the earths atmosphere decreased?

Description : What would happen to animals if the amount of oxygen the earths atmosphere decreased?

Last Answer : youll die

If there is no carbon dioxide in the earth's atmosphere, the temperature of earth's surface would be – (1) dependent on the amount of oxygen in the atmosphere (2) higher than the present (3) less than the present (4) the same

Description : If there is no carbon dioxide in the earth's atmosphere, the temperature of earth's surface would be – (1) dependent on the amount of oxygen in the atmosphere (2) higher than the present (3) less than the present (4) the same

Last Answer : (3) less than the present Explanation: If there is no carbon dioxide in the earth's atmosphere, the temperature of earth's surface would be less than the present because carbon emission in the atmosphere is one of the major causes of global warming.

The amount of oxygen in the atmosphere remains relatively constant because it is given off by - (1) Oceans (2) Animals (3) Rocks (4) Plants

Description : The amount of oxygen in the atmosphere remains relatively constant because it is given off by - (1) Oceans (2) Animals (3) Rocks (4) Plants

Last Answer : (4) Plants Explanation: Just as water moves from the sky to the earth and back in the hydrologic cycle, oxygen is also cycled through the environment. Plants mark the beginning of ... of sunlight to convert carbon dioxide and water into carbohydrates and oxygen in a process called photosynthesis.

The amount of oxygen in the atmosphere remains relatively constant because it is given off by (1) Oceans (2) Animals (3) Rocks (4) Plants

Description : The amount of oxygen in the atmosphere remains relatively constant because it is given off by (1) Oceans (2) Animals (3) Rocks (4) Plants

Last Answer : Plants

If there is no carbon dioxide in the earth’s atmosphere, the temperature of earth’s surface would be (1) dependent on the amount of oxygen in the atmosphere (2) higher than the present (3) less than the present (4) the same

Description : If there is no carbon dioxide in the earth’s atmosphere, the temperature of earth’s surface would be (1) dependent on the amount of oxygen in the atmosphere (2) higher than the present (3) less than the present (4) the same 

Last Answer : less than the present

What is the amount of carbon dioxide in the atmosphere? -General Knowledge

Description : What is the amount of carbon dioxide in the atmosphere? -General Knowledge

Last Answer : answer:

Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the atmosphere, oxygen was involved in forming ozone.

Description : Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the atmosphere, oxygen was involved in forming ozone.

Last Answer : Assertion : The primitive atmosphere was reducing one i.e., without oxygen. Reason : In the ... . If both the assertion and reason are false.

Oxygen in atmosphere has been formed by:

Description : Oxygen in atmosphere has been formed by:

Last Answer : Oxygen in atmosphere has been formed by: A. Evaporation of water B. Photosynthesis of blue ... C. Metabolism of microorganisms D. Decaying organisms

The ozone hole in the upper atmosphere of the earth is due to the breakdown of ozone to oxygen. The reaction is catalyzed by

Description : The ozone hole in the upper atmosphere of the earth is due to the breakdown of ozone to oxygen. The reaction is catalyzed by

Last Answer : The ozone hole in the upper atmosphere of the earth is due to the breakdown of ... D. chlorine formed by the decomposition of chlorofluorocarbons

Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen. Statement II The reaction

Description : Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen. Statement II The reaction

Last Answer : Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react ... D. Both are assertion and reason are incorrect

The ozone hole in the upper atmosphere of the earth is due to the breakdown of ozone to oxygen. The reaction is catalyzed by

Description : The ozone hole in the upper atmosphere of the earth is due to the breakdown of ozone to oxygen. The reaction is catalyzed by

Last Answer : The ozone hole in the upper atmosphere of the earth is due to the breakdown of ... D. chlorine formed by the decomposition of chlorofluorocarbons

Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen. Statement II The reaction

Description : Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen. Statement II The reaction

Last Answer : Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react ... D. Both are assertion and reason are incorrect

Why do scientists look for water vapor ozone or oxygen in a plants atmosphere?

Description : Why do scientists look for water vapor ozone or oxygen in a plants atmosphere?

Last Answer : Because they are interested in whether water vapor, ozone oroxygen in a plants atmosphere are there.

What planet atmosphere is rich with oxygen and nitrogen?

Description : What planet atmosphere is rich with oxygen and nitrogen?

Last Answer : Feel Free to Answer

What percentage of Earth's atmosphere iis oxygen?

Description : What percentage of Earth's atmosphere iis oxygen?

Last Answer : 0.21

What is the most abundant gas in our atmosphere oxygen hydrogen nitrogen water?

Description : What is the most abundant gas in our atmosphere oxygen hydrogen nitrogen water?

Last Answer : It is nitrogen, followed by oxygen.

What puts oxygen in the atmosphere a lot of people say trees but i don't believe them.?

Description : What puts oxygen in the atmosphere a lot of people say trees but i don't believe them.?

Last Answer : The oft-repeated claim that the Amazon rainforest produces 20% of our planet's oxygen is based on a misunderstanding. In fact nearly all of Earth's breathable oxygen originated in the oceans, and there is enough of it to last for millions of years

The source of oxygen in atmosphere is due to

Description : The source of oxygen in atmosphere is due to

Last Answer : Photosynthesis

Oxygen The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Description : Oxygen The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Last Answer : ANSWER: A

Helium The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Description : Helium The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Last Answer : ANSWER: A

The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Description : The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Last Answer : ANSWER: A

The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Description : The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide

Last Answer : ANSWER: A

The ultra violet radiations of the Sun do not reach the Earth because the upper layers of the atmosphere contain (a) oxygen (b) helium (c) ozone (d) hydrogen

Description : The ultra violet radiations of the Sun do not reach the Earth because the upper layers of the atmosphere contain (a) oxygen (b) helium (c) ozone (d) hydrogen

Last Answer : Ans:(c)

Look at the following gases: 1. Carbon dioxide 2. Helium 3. Nitrogen 4. Oxygen The two most abundant gases in the atmosphere are: (a) 1 and 3 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4

Description : Look at the following gases: 1. Carbon dioxide 2. Helium 3. Nitrogen 4. Oxygen The two most abundant gases in the atmosphere are: (a) 1 and 3 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4

Last Answer : Ans:(c)

The atmosphere of the primitive earth before origin of life consisted of: (a) Nitrogen, Oxygen, Ammonia, and Water vapour (b) Methane, Ammonia, Hydrogen, and Water vapour (c) Nitrogen, Oxygen, Water, and Carbon dioxide (d) Ammonia, Water, Oxygen, and Hydrogen

Description : The atmosphere of the primitive earth before origin of life consisted of: (a) Nitrogen, Oxygen, Ammonia, and Water vapour (b) Methane, Ammonia, Hydrogen, and Water vapour (c) Nitrogen, Oxygen, Water, and Carbon dioxide (d) Ammonia, Water, Oxygen, and Hydrogen

Last Answer : Ans:(b)

Ozone layer is formed due to reactions of : (1) oxygen and ultraviolet rays (2) carbon dioxide and layers of atmosphere (3) cosmic rays and layers of atmosphere (4) infrared rays and ultraviolet rays

Description : Ozone layer is formed due to reactions of : (1) oxygen and ultraviolet rays (2) carbon dioxide and layers of atmosphere (3) cosmic rays and layers of atmosphere (4) infrared rays and ultraviolet rays

Last Answer : (1) oxygen and ultraviolet rays Explanation: Ozone in the Earth's stratosphere is created by ultraviolet light striking ordinary oxygen molecules containing two oxygen atoms (O2), splitting them into ... (atomic oxygen). The atomic oxygen then combines with unbroken O2 to create ozone (O3).

Ozone-hole in the atmosphere is largely caused by the presence of – (1) Oxygen (2) Hydrogen (3) Chlorofluorocarbons (4) Radio-active waste

Description : Ozone-hole in the atmosphere is largely caused by the presence of – (1) Oxygen (2) Hydrogen (3) Chlorofluorocarbons (4) Radio-active waste

Last Answer : (3) Chlorofluorocarbons Explanation: Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man-made chemical ozone depletion. It is calculated that a ... about a century, destroying up to one hundred thousand ozone molecules during that time.

The source of oxygen in atmosphere is due to – (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

Description : The source of oxygen in atmosphere is due to – (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

Last Answer : (1) Photosynthesis Explanation: The main source of atmospheric free oxygen is photosynthesis, which produces sugars and free oxygen from carbon dioxide and water. The organ-isms that carry out photosynthesis include ... well as the phytoplankton of the oceans. 6CO2 + 6H2O + energy -> C6H12O6 + 6O2

Oxygen liberated during photosynthesis is coming from : (1) Carbon dioxide (2) Water (3) Bresk down of chlorophy II (4) Atmosphere

Description : Oxygen liberated during photosynthesis is coming from : (1) Carbon dioxide (2) Water (3) Bresk down of chlorophy II (4) Atmosphere

Last Answer : (2) Water Explanation: Oxygen liberated during photosynthesis is coming m6t.o create a stable, unstirred layer to support surface neutralization of acid and act as a protective physical barrier against luminal pepsin.

(1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, react in the atmosphere in the presence of sunlight containing ultra violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3

Description : (1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, ... violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3

Last Answer : Water is not effective in extinguishing a fire caused by petrol because - (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are ... (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

Hydrogen is not found in atmosphere because – (1) it is highly inflammable (2) it is the lightest gas (3) it is absorbed by plants (4) it immediately combines with oxygen to form water

Description : Hydrogen is not found in atmosphere because – (1) it is highly inflammable (2) it is the lightest gas (3) it is absorbed by plants (4) it immediately combines with oxygen to form water

Last Answer : (2) it is the lightest gas Explanation: Hydrogen is a chemical element with symbol H and atomic number 1. With an average atomic weight of 1.00794 u (1.007825 u for hydrogen-1), hydrogen ... hydrogen in its plasma state. Air is the name given to the atmosphere used in breathing and photosynthesis.

The most abundant element in the earth's atmosphere is – (1) Argon (2) Nitrogen (3) Oxygen (4) Krypton

Description : The most abundant element in the earth's atmosphere is – (1) Argon (2) Nitrogen (3) Oxygen (4) Krypton

Last Answer : (2) Nitrogen Explanation: The most abundant gas in the Earth's atmosphere is nitrogen. Nitrogen makes up 78 percent of the Earth's atmosphere, and it is a permanent gas, which means that its percentage ... atmosphere is made up of 21 percent oxygen, 0.9 percent argon and 0.1 percent trace gases.

The highest volume of gases in lower atmosphere is comprised of - (1) Hydrogen (2) Carbon dioxide (3) Oxygen (4) Nitrogen

Description : The highest volume of gases in lower atmosphere is comprised of - (1) Hydrogen (2) Carbon dioxide (3) Oxygen (4) Nitrogen

Last Answer : (4) Nitrogen Explanation: There are a number of atmospheric gases which make up air. In the lower atmosphere or troposphere, the main gases are nitrogen and oxygen, which make up 78% and 21% of the volume of air respectively. The remaining 1% of the atmospheric gases is made up of trace gases.

Ultra violet light of Sun's radiation is prevented from reaching the earth's atmosphere by the layer of – (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium

Description : Ultra violet light of Sun's radiation is prevented from reaching the earth's atmosphere by the layer of – (1) Oxygen (2) Hydrogen (3) Ozone (4) Helium

Last Answer : (3) Ozone Explanation: The ozone layer is a layer in Earth's atmosphere containing relatively high concentrations of ozone (03). The layer absorbs 97-99% of the Sun's medium-frequency ultraviolet light (from about 200 nm to 315 nm wavelength), which potentially damages exposed life forms on Earth.

In the atmosphere ultraviolet rays are absorbed by – (1) Oxygen (2) Nitrogen (3) Ozone (4) Helium

Description : In the atmosphere ultraviolet rays are absorbed by – (1) Oxygen (2) Nitrogen (3) Ozone (4) Helium

Last Answer : (1) Oxygen Explanation: Most of the ultraviolet radiation in sunlight is absorbed by oxygen in Earth's atmosphere, which forms the ozone layer of the lower stratosphere. UV light is found ... and causes many substances to glow or fluoresce. Most ultraviolet is classified as non-ionizing radiation.

Atmospheric attenuation is an attenuation which is due to A. mist and fog B. gasses in the atmosphere C. water vapor and oxygen D. rain

Description : Atmospheric attenuation is an attenuation which is due to A. mist and fog B. gasses in the atmosphere C. water vapor and oxygen D. rain

Last Answer : C. water vapor and oxygen

Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to (A) Protect rubber goods from attack by oxygen & ozone present in the atmosphere (B) Reduce its viscosity to permit easier processing (C) Reduce the time of vulcanisation and quantity of vulcanising agent (D) Increase its viscosity

Description : Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to (A) Protect rubber goods from attack by oxygen & ozone present in the atmosphere (B) Reduce its viscosity to ... processing (C) Reduce the time of vulcanisation and quantity of vulcanising agent (D) Increase its viscosity

Last Answer : (B) Reduce its viscosity to permit easier processing

The gases which are used by drivers as an artificial atmosphere are helium and-------? A. Nitrogen B. Oxygen (Answer) C. Neon D. Carbon monoxide

Description : The gases which are used by drivers as an artificial atmosphere are helium and-------? A. Nitrogen B. Oxygen (Answer) C. Neon D. Carbon monoxide

Last Answer : B. Oxygen (Answer)

Which of the statements to about the Troposphere is not true? A. It contains 85-90% of the atmosphere’s mass B. It contains nearly all the water and oxygen of the atmosphere C. It is the zone which exhibits changes in condition of weather D. It is about 350 km thick (Answer)

Description : Which of the statements to about the Troposphere is not true? A. It contains 85-90% of the atmosphere’s mass B. It contains nearly all the water and oxygen of the atmosphere C. It is the zone which exhibits changes in condition of weather D. It is about 350 km thick (Answer)

Last Answer : D. It is about 350 km thick (Answer)

According to Oparin, which one of the following was not present in the primitive atmosphere of the earth? (a) Methane (b) Oxygen (c) Hydrogen (d) Water vapour

Description : According to Oparin, which one of the following was not present in the primitive atmosphere of the earth? (a) Methane (b) Oxygen (c) Hydrogen (d) Water vapour

Last Answer : b) Oxygen

Pick out the wrong statement. (A) Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value (B) Environmental pollution by NOx emission is much higher by four stroke petrol engines as compared to the two stroke engines (C) Temperature in stratosphere rises with increasing altitude (D) The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

Description : Pick out the wrong statement. (A) Biological oxygen demand (B.O.D.) value of a sewerage sample is always lower than its chemical oxygen demand (C.O.D.) value (B) Environmental pollution by ... in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

Last Answer : (D) The characteristic of a green house body is that it allows the long wavelength incoming solar radiation to come in but does not allow the short wavelength infra red radiation to escape out of the earth's atmosphere

This early atmosphere was rich in CO2 and H2O. How did oxygen enter our atmosphere? (a) Meteorites. (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen. (c) Volcanic emissions. (d) Methanogenic bacteria.

Description : This early atmosphere was rich in CO2 and H2O. How did oxygen enter our atmosphere? (a) Meteorites. (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen. (c) Volcanic emissions. (d) Methanogenic bacteria.

Last Answer : (b) From organisms that evolved to convert CO2 and H20 into sugars (energy), resulting in the waste product oxygen.

The percentage of oxygen in the atmosphere a.18.5% b.15.0% c.22.4% d.20.94%

Description : The percentage of oxygen in the atmosphere a.18.5% b.15.0% c.22.4% d.20.94%

Last Answer : d.20.94%

The oxygen in the earth's atmosphere was probably produced by which of the following? w) volcanos x) photosynthetic organisms y) radioactive minerals z) meteors

Description : The oxygen in the earth's atmosphere was probably produced by which of the following? w) volcanos x) photosynthetic organisms y) radioactive minerals z) meteors

Last Answer : ANSWER: X -- PHOTOSYNTHETIC ORGANISMS

While many different gases are found in the atmosphere, a number do NOT contribute significantly to solar heating of the atmosphere. Which TWO of the following gases do NOT absorb much heat? w) carbon dioxide x) nitrogen y) water vapor z) oxygen

Description : While many different gases are found in the atmosphere, a number do NOT contribute significantly to solar heating of the atmosphere. Which TWO of the following gases do NOT absorb much heat? w) carbon dioxide x) nitrogen y) water vapor z) oxygen

Last Answer : ANSWER: X and Z -- NITROGEN and OXYGEN

The source of oxygen in atmosphere is due to (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

Description : The source of oxygen in atmosphere is due to (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration

Last Answer : Photosynthesis

Oxygen liberated during photosynthesis is coming from : (1) Carbon dioxide (2) Water (3) Bresk down of chlorophy II (4) Atmosphere

Description : Oxygen liberated during photosynthesis is coming from : (1) Carbon dioxide (2) Water (3) Bresk down of chlorophy II (4) Atmosphere

Last Answer : Water