Gas Exchange in Insects

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What happens to the outer walls of guard cells during gas exchange in leaves?

They form a crescent shape

They shrink in

They bulge out (correct)

They become flat

What is the function of lenticels in the gas exchange of stems?

They regulate temperature

They help in photosynthesis

They store excess water

They provide a pathway for direct gas exchange between internal tissue and the atmosphere (correct)

In plants, what causes guard cells to push against the cell wall?

Low turgor pressure (correct)

High turgor pressure

Strong wind

Lack of water

Which biological function is NOT facilitated by transport/circulation systems in organisms?

Reproduction Signup and view all the answers

What is the main function of main circulatory organs in plants?

Transport biological fluids around the plant Signup and view all the answers

In animals, which structure serves as the main organ for gas exchange?

Lungs Signup and view all the answers

What is the function of lenticels in plants?

Facilitate gas exchange Signup and view all the answers

What type of vessels carry O2 rich blood from the heart to the whole body in animals?

Arteries Signup and view all the answers

What is diffused through air spaces to be transported to the phloem for plants?

Carbon dioxide Signup and view all the answers

The turgor pressure develops within guard cells primarily due to what reason?

Water uptake Signup and view all the answers

Gas Exchange in Insects

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Questions and Answers

What happens to the outer walls of guard cells during gas exchange in leaves?

What is the function of lenticels in the gas exchange of stems?

In plants, what causes guard cells to push against the cell wall?

Which biological function is NOT facilitated by transport/circulation systems in organisms?

What is the main function of main circulatory organs in plants?

In animals, which structure serves as the main organ for gas exchange?

What is the function of lenticels in plants?

What type of vessels carry O2 rich blood from the heart to the whole body in animals?

What is diffused through air spaces to be transported to the phloem for plants?

The turgor pressure develops within guard cells primarily due to what reason?

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