A particular mutation affects the synthesis of expansins in a plant species. Which of the following growth-related processes will be most directly impacted by this mutation?
Cell division in the meristem
Nutrient uptake from the soil
Photosynthetic efficiency
Cell wall loosening and expansion
Related Questions
Constantly dividing cells, both at the root apex and shoot apex represents
Elongation phase of the growth
Meristematic phase of the growth
Maturation phase of the growth
None of the above
Maximum elongation takes place in
Mild Steel
Rubber
Copper
Glass
Growth period of plant is generally divided into
Four phases
Three phases
Two phases
Five phases
Which of the following best describes the relationship between arithmetic growth and geometric growth in a typical organism's life cycle?
Arithmetic growth and geometric growth occur simultaneously.
Geometric growth always precedes arithmetic growth.
Arithmetic growth always precedes geometric growth.
Arithmetic growth often precedes or follows a period of geometric growth.
Growth at cellular level is the increase in the amount of
Cell wall
Cell membrane
Protoplasm
All of the above
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
Primary growth of plants is contributed by
Root apical meristem
Shoot apical meristem
Intercalary meristem
All of these
The existence of two types of leaves in the same plant, is called
Phyllody
Phylloclade
Heterophylly
Heterosis
Increased growth per unit time is termed as
Nascent growth rate
Growth rate
Biomass
All of these
Permanent localised qualitative change in size, biochemistry, structure and function of cells or organs is called
Cell division
Meristematic division
Differentiation
Dedifferentiation
