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Biology: Lenticels and Stems

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Questions and Answers

What happens during daylight in terms of gas exchange in plants?

Carbon dioxide is released and oxygen is taken in

Oxygen is released and carbon dioxide is taken in (correct)

Water vapor is released and carbon dioxide is taken in

Oxygen is released and water vapor is taken in

What causes the stomata to open in plants?

Increased sunlight causing the guard cells to become turgid

Decreased water uptake causing the guard cells to become flaccid

Decreased water uptake causing the guard cells to become turgid

Increased water uptake causing the guard cells to become turgid (correct)

Which plant organ regulates the opening and closing of stomata?

Guard cells (correct)

Epidermis

Root hair cells

Xylem vessels

How do guard cells influence the opening and closing of stomata?

By changing their turgidity Signup and view all the answers

What do lenticels in plants facilitate?

Gas exchange in roots Signup and view all the answers

How do gases diffuse through leaves in plants?

Through intercellular spaces and stomata Signup and view all the answers

Which structure in plants is primarily responsible for gas exchange in leaves?

Stomata Signup and view all the answers

What is the main function of lenticels in plants?

Gas exchange in roots Signup and view all the answers

In which part of a plant would you expect to find a high density of stomata?

Leaf epidermis Signup and view all the answers

What gas is primarily exchanged through lenticels in plants?

Oxygen Signup and view all the answers

Which cellular process in plants is NOT directly related to gas exchange?

Germination Signup and view all the answers

Why are stomata typically found on the underside of leaves in many plant species?

To minimize water loss Signup and view all the answers

Which structure in plants enables the exchange of gases between the air and the cells in interior tissues?

Lenticels Signup and view all the answers

In which part of the plant would you find lenticels?

Stems Signup and view all the answers

What is the main role of lenticels in plant stems?

To enable gas exchange Signup and view all the answers

Which type of substance is suberin known to be?

Waterproof and airproof Signup and view all the answers

What is the main mechanism by which gas exchange occurs in leaves?

Through stomata Signup and view all the answers

How do lenticels contribute to the overall health of a plant?

By enabling gas exchange Signup and view all the answers