18 Questions
What happens during daylight in terms of gas exchange in plants?
Oxygen is released and carbon dioxide is taken in
What causes the stomata to open in plants?
Increased water uptake causing the guard cells to become turgid
Which plant organ regulates the opening and closing of stomata?
Guard cells
How do guard cells influence the opening and closing of stomata?
By changing their turgidity
What do lenticels in plants facilitate?
Gas exchange in roots
How do gases diffuse through leaves in plants?
Through intercellular spaces and stomata
Which structure in plants is primarily responsible for gas exchange in leaves?
Stomata
What is the main function of lenticels in plants?
Gas exchange in roots
In which part of a plant would you expect to find a high density of stomata?
Leaf epidermis
What gas is primarily exchanged through lenticels in plants?
Oxygen
Which cellular process in plants is NOT directly related to gas exchange?
Germination
Why are stomata typically found on the underside of leaves in many plant species?
To minimize water loss
Which structure in plants enables the exchange of gases between the air and the cells in interior tissues?
Lenticels
In which part of the plant would you find lenticels?
Stems
What is the main role of lenticels in plant stems?
To enable gas exchange
Which type of substance is suberin known to be?
Waterproof and airproof
What is the main mechanism by which gas exchange occurs in leaves?
Through stomata
How do lenticels contribute to the overall health of a plant?
By enabling gas exchange
This quiz explores the concept of lenticels in plant stems, referencing images and scale-bar data. It is based on Biology 1 materials from the Philippine Science High School System.
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