Unlike the formation of vascular tissues from procambium, the development of interfascicular cambium from parenchyma cells represents:
Redifferentiation
Dedifferentiation
Differentiation
Cell maturation
Related Questions
In tissue culture experiments, leaf mesophyll cells are placed in a culture medium to form callus. This phenomenon is known as:
Redifferentiation
Dedifferentiation
Differentiation
Transdifferentiation
Richmond-Lang effect is concerned with
Delay in senescence
Breaking dormancy
Suppression of apical dominance
Cell elongation
Which extraembryonic membrane in mammals is involved in the formation of the placenta?
Amnion
Yolk sac
Allantois
Chorion
Heterophylly can be observed in
I. cotton
II. coriander
III. larkspur
Select the right option
I, II and III
I and II
II and III
I and III
Environment heterophylly is seen in
Cotton
Coriander
Larkspur
Buttercup
Which of the following cellular processes is responsible for the formation of interfascicular cambium from differentiated parenchyma cells in dicot stems?
Totipotency
Dedifferentiation
Redifferentiation
Differentiation
The process by which cells loose their specialisation is called
Dedifferentiation
Differentiation
Transdifferentiation
Apoptosis
Among the following, which plant shows the least phenotypic variation in response to water availability?
A desert cactus
A grassland wildflower
A submerged aquatic plant
A deciduous tree
During oogenesis in mammals, polar bodies are formed. Which statement best describes the function of polar bodies?
To provide nutrients to the developing oocyte.
To allow for the reduction of chromosome number while retaining most of the cytoplasm in the oocyte.
To initiate the process of fertilization.
To guide the sperm towards the oocyte.
Which plant hormone promotes seed dormancy?
Gibberellin
Auxin
Cytokinin
Abscisic acid (ABA)
