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General Knowledge

Natural Vegetation and Wildlife of India and World

Question

Consider the following statements about availability of oxygen on Earth
1. Most oxygen of Earth's biosphere is stored in the lithosphere.
2. Phytoplanktons are a source of available oxygen in the Earth's atmosphere.
3. Some oxygen is made in the atmosphere when sunlight breaks down water.
Which of the statements given above are correct?

A

1 and 2

B

2 and 3

C

1 and 3

D

All of these

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Solution

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Correct option is D. All of these

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Similar Questions

Q1

Consider the following statements about availability of oxygen on Earth
1. Most oxygen of Earth's biosphere is stored in the lithosphere.
2. Phytoplanktons are a source of available oxygen in the Earth's atmosphere.
3. Some oxygen is made in the atmosphere when sunlight breaks down water.
Which of the statements given above are correct?

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Q2

1. The composition of nitrogen and oxygen in the atmosphere is 78% and 21% respectively.

2. The oxygen cycle is the movement of oxygen in its various forms through the atmosphere.

3. Biosphere is the zone where the hydrosphere, lithosphere, and atmosphere interact with each other.

Select the incorrect statements from the following.

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Q3

Which of the following statements are correct with respect

to oxygen?

P: It is insoluble in water.

Q: It the second most abundant gas present in the atmosphere.

R: Oxygen is necessary for combustion.

S: Plants get nitrogen and oxygen from air.

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Q4

can any on give me a brief description on three main resevirous of oxygen cycle which are biosphere, atmosphere and lithosphere??

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Q5

State whether the following statements are true or false.
Fermentation follows glycolysis in some cells when oxygen is not available.

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