STU1043 Introduction to Plant Physiology LU7 Quiz

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What is the origin of plant growth?

Buds in regions called meristems

What is the definition of growth in the context of plant physiology?

A permanent and irreversible increase in size of an organ or cell

What are the two classes of meristems involved in plant growth?

Apical and axile

Why do plants retain the capacity for unlimited growth throughout their life?

<p>Due to the presence of meristems at certain locations</p> Signup and view all the answers

What accompanies plant growth and occurs at the expense of energy?

<p>Metabolic processes</p> Signup and view all the answers

What is the term used to describe the permanent and irreversible increase in size of a plant organ or cell?

<p>Growth</p> Signup and view all the answers

What is the primary purpose of water in plant growth?

<p>To provide the medium for enzymatic activities</p> Signup and view all the answers

What is the function of turgidity in plant cells?

<p>Aids in extension growth in cells</p> Signup and view all the answers

What is the primary role of oxygen in plant growth?

<p>To release energy for growth activities</p> Signup and view all the answers

What is the purpose of nutrients in plant growth?

<p>To support synthesis of protoplasm</p> Signup and view all the answers

What causes the early development of angiosperm embryo to become dormant after fertilization?

<p>Formation of seed coat enclosing dormant embryo and stored food source</p> Signup and view all the answers

What stimulates seed germination in many plants?

<p>Resumption of metabolic activities and growth often trigged by water</p> Signup and view all the answers

Which process is responsible for resumption of metabolic activities and growth in seed germination?

<p>Water absorption</p> Signup and view all the answers

What triggers the development of pollen grains from microspores in angiosperm reproduction?

<p>Transferring pollen to stigma</p> Signup and view all the answers

In angiosperm reproduction, what is the primary purpose of double fertilization involving two sperm cells?

<p>Formation of embryo and endosperm</p> Signup and view all the answers

What is the function of turgidity in plant cells?

<p>Promotion of cell enlargement</p> Signup and view all the answers

What is the primary role of oxygen in plant growth?

<p>Energy release for growth activities</p> Signup and view all the answers

What is the primary factor that determines the distribution and adaptation of plant populations in their habitat?

<p>Water availability</p> Signup and view all the answers

In plant physiology, what is the term used to describe the irreversible increase in size of an organ or its part?

<p>Growth</p> Signup and view all the answers

What is the role of meristems in plant growth and development?

<p>Producing tissues for root, stem, and leaf development</p> Signup and view all the answers

What is the significance of the indeterminate nature of plant growth?

<p>It enables plants to have unlimited growth throughout their life</p> Signup and view all the answers

What usually accompanies plant growth and occurs at the expense of energy?

<p>Respiration</p> Signup and view all the answers

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