A seedling is placed horizontally on a rotating platform in the dark. Which of the following best describes the growth pattern of the seedling's root and shoot after a few days?
Both root and shoot will grow horizontally.
The root will grow upwards, and the shoot will grow downwards.
The root will grow downwards, and the shoot will grow upwards.
Both root and shoot will grow in a random direction.
Related Questions
The ability of plants to adjust their morphology, physiology, and growth in response to environmental changes is called:
Adaptability
Plasticity
Flexibility
Responsiveness
Increased vacuolation, cell enlargement and new cell wall deposition are the characteristics of cells in ______ phase of growth
Meristematic
Elongation
Maturation
Differentiation
In the exponential phase of geometric growth, the
Progeny cells stops dividing
Both progeny cells follow mitotic division
Both (a) and (b)
Only one progeny cell follows mitotic division graphs
What is the term for the permanent cessation of growth in a cell or organ?
Hyperplasia
Hypertrophy
Apoptosis
Senescence
Which one of the following statement is incorrect?
Apparent growth is an irreversible increase in mass or volume
Real growth is the formation of new protoplasm
Growth in plants is open ended
Growth in plants is closed ended
Auxanometer is used to measure
The growth in length of a plant organ
The growth in breadth of a plant organ
Population of the pests attacking a plant
Both (a)and(b)
Which of the following plant hormones promotes cell division and differentiation?
Auxins
Gibberellins
Cytokinins
Abscisic acid
Which of the following processes is concerned with Cholodny-Went theory?
Photomorphogenesis
Photoperiodism
Phototropism
photorespiration
Which one of the following statement is incorrect?
Prime numbers are always odd
Prime numbers have only two factors
1 is not a prime number
There are infinitely many prime numbers
Developing embryo (in vitro) shows
Geometric growth
Arithmetic growth
Geometric and arithmetic growth
None of the above
