Gibberellins and Cytokinins Quiz

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Which plant hormone promotes shoot development and bud development?

Cytokinins (correct)

Ethylene

Abscisic acid

Gibberellins

Which plant hormone influences most aspects of plant growth and development to some extent?

Abscisic acid (correct)

Ethylene

Cytokinins

Gibberellins

Which plant hormone is responsible for initiating ripening of fruits?

Cytokinins

Ethylene (correct)

Gibberellins

Abscisic acid

Which type of fruits ripen after harvest and have a positive relationship between ethylene concentration and climacteric rise?

Climacteric fruits Signup and view all the answers

Which type of plants flower chiefly in the summer and have long nights?

Long day plants Signup and view all the answers

Which type of plants flower chiefly in the winter and have long nights?

Short day plants Signup and view all the answers

Which external stimulus can be used to break seed dormancy and promote adventitious root formation?

Temperature Signup and view all the answers

Which of the following is the primary regenerative process required in most cutting propagation?

Dedifferentiation Signup and view all the answers

What is the term used to describe the ability of an individual cell to reconstitute the entire plant part and functions?

Totipotency Signup and view all the answers

Which of the following hormones is responsible for the growth of shoot towards or away from light?

Indole-3-acetic acid Signup and view all the answers

What is the term used to describe the phenomenon where cells that have lost the capacity to divide regain the capacity of division under certain conditions?

Dedifferentiation Signup and view all the answers

Which hormone promotes cell enlargement and stem elongation of biennial plants?

Gibberellic Acid Signup and view all the answers

What is the hormone responsible for apical dominance in plants?

Indole-3-acetic acid Signup and view all the answers

Which hormone is commonly used for rooting of cuttings and tissue culture?

Indolebutyric acid Signup and view all the answers

Which of the following is a definition of plant growth?

An irreversible increase in the size of the plant Signup and view all the answers

Which of the following is NOT a way to measure plant growth?

Increase in temperature Signup and view all the answers

Which of the following is a stage of plant development?

All of the above Signup and view all the answers

Which of the following is NOT a type of phytohormone?

Phytoplankton Signup and view all the answers

Who discovered auxin, the first plant growth regulator (PGR)?

Charles Darwin Signup and view all the answers

Which of the following phytohormones was characterized 50 years after its discovery?

Gibberellins Signup and view all the answers

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

They are produced in one part of the plant and regulate growth and development in another part of the plant Signup and view all the answers

Which of the following is NOT a line of defense against herbivores mentioned in the text?

Chemical defenses Signup and view all the answers

What is the main purpose of PAMP recognition in plants?

To recognize specific pathogen-associated molecular patterns Signup and view all the answers

Which defense mechanism causes local cell and tissue death to restrict the spread of the pathogen?

Hypersensitive response Signup and view all the answers

What is the function of lignin in plant cell walls during effector-triggered defense?

To toughen the cell wall Signup and view all the answers

Which type of defense mechanism provides protection against a diverse set of pathogens and involves the production of chemicals and toxins released through the plant body?

Systemic acquired resistance Signup and view all the answers

What is the main purpose of physical defenses against herbivore attack mentioned in the text?

To physically deter herbivores Signup and view all the answers

What is the main purpose of chemical lines of defense against herbivores mentioned in the text?

To release toxins that kill or inhibit the growth of invading bacteria or fungi Signup and view all the answers

Which defense mechanism is broad spectrum and provides protection against a diverse set of pathogens?

Systemic acquired resistance Signup and view all the answers

What is the consequence of animals feeding on plants that produce mind-altering products?

Unpleasant experiences Signup and view all the answers

Gibberellins and Cytokinins Quiz

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Questions and Answers

Which plant hormone promotes shoot development and bud development?

Which plant hormone influences most aspects of plant growth and development to some extent?

Which plant hormone is responsible for initiating ripening of fruits?

Which type of fruits ripen after harvest and have a positive relationship between ethylene concentration and climacteric rise?

Which type of plants flower chiefly in the summer and have long nights?

Which type of plants flower chiefly in the winter and have long nights?

Which external stimulus can be used to break seed dormancy and promote adventitious root formation?

Which of the following is the primary regenerative process required in most cutting propagation?

What is the term used to describe the ability of an individual cell to reconstitute the entire plant part and functions?

Which of the following hormones is responsible for the growth of shoot towards or away from light?

What is the term used to describe the phenomenon where cells that have lost the capacity to divide regain the capacity of division under certain conditions?

Which hormone promotes cell enlargement and stem elongation of biennial plants?

What is the hormone responsible for apical dominance in plants?

Which hormone is commonly used for rooting of cuttings and tissue culture?

Which of the following is a definition of plant growth?

Which of the following is NOT a way to measure plant growth?

Which of the following is a stage of plant development?

Which of the following is NOT a type of phytohormone?

Who discovered auxin, the first plant growth regulator (PGR)?

Which of the following phytohormones was characterized 50 years after its discovery?

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

Which of the following is NOT a line of defense against herbivores mentioned in the text?

What is the main purpose of PAMP recognition in plants?

Which defense mechanism causes local cell and tissue death to restrict the spread of the pathogen?

What is the function of lignin in plant cell walls during effector-triggered defense?

Which type of defense mechanism provides protection against a diverse set of pathogens and involves the production of chemicals and toxins released through the plant body?

What is the main purpose of physical defenses against herbivore attack mentioned in the text?

What is the main purpose of chemical lines of defense against herbivores mentioned in the text?

Which defense mechanism is broad spectrum and provides protection against a diverse set of pathogens?

What is the consequence of animals feeding on plants that produce mind-altering products?

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