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Atmosphere Composition and Plant Role Quiz

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Atmosphere Composition and Plant Role Quiz

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Questions and Answers

What is the primary function of plants in regulating the atmosphere?

Releasing carbon dioxide through photosynthesis

Intaking carbon dioxide and releasing oxygen through photosynthesis (correct)

Reducing the oxygen levels through respiration

Intaking oxygen and releasing carbon dioxide through respiration

Which of the following is NOT a major constituent of the atmosphere?

Light particles (correct)

Gases

Dust particles

Moisture

Why is nitrogen important for plant growth?

Nitrogen is essential for photosynthesis

Nitrogen helps in water regulation in plants

Nitrogen is used by plants for respiration

Nitrogen aids in plant growth through nitrogen fixation (correct)

What influences the amount of water in the atmosphere?

Presence of water bodies like oceans and rivers Signup and view all the answers

Which atmospheric gas is the most abundant?

Nitrogen Signup and view all the answers

What is the primary source of dust particles in the atmosphere?

Wind transport Signup and view all the answers

Why are fine dust particles in the atmosphere called Condensation nuclei?

Because they help in cloud formation by allowing water vapor to condense around them Signup and view all the answers

Why do mountaineers climbing Mount Everest take oxygen cylinders with them?

Due to the rarefaction of gases, including oxygen, at higher altitudes Signup and view all the answers

How does glass help maintain temperature within buildings in cold countries?

By allowing insolation to pass through and trapping terrestrial radiation Signup and view all the answers

What is the purpose of greenhouses?

To trap heat for plant growth Signup and view all the answers

Why are cloudy days warmer than days with a clear sky?

Because clouds absorb heat and keep it within the atmosphere Signup and view all the answers

How does deforestation contribute to an increase in carbon dioxide levels in the atmosphere?

By decreasing the removal of carbon dioxide through photosynthesis Signup and view all the answers