10 Questions
What are the different types of roles that plant growth regulators (PGRs) can play in plant development?
Complementary or antagonistic, individualistic or synergistic
What is the role of extrinsic factors like temperature and light in plant growth and development?
They indirectly influence plant growth and development through PGRs
Which of the following events in a plant's life involve the interaction of multiple plant growth regulators (PGRs)?
All of the above
What is the role of plant growth regulators (PGRs) in plant growth and development?
They play an important role along with genomic control and extrinsic factors
What is the phenomenon of photoperiodism in plants?
Both (a) and (b)
Which of the following terms is used to describe plants that require exposure to light for a period exceeding a critical duration to initiate flowering?
Long day plants
Which of the following statements about plant growth regulators (PGRs) is NOT true?
PGRs are the only intrinsic control mechanism in plant growth and development
What is the critical factor that determines whether a plant is classified as a long day plant or a short day plant?
The timing of light exposure relative to a critical duration
Which of the following events in a plant's life is NOT mentioned in the text as being influenced by extrinsic factors like temperature and light?
Heterophylly
What is the relationship between plant growth regulators (PGRs) and extrinsic factors like temperature and light in regulating plant growth and development?
Extrinsic factors control plant growth and development via their influence on PGRs
Explore the diagrammatic representation of the sequence of developmental processes in a higher plant cell, applicable to tissues and organs. Learn about cell division, senescence, differentiation, and maturation stages in plant cells.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
