Which of the following extra-embryonic membranes in amniotes primarily functions in waste storage?
Chorion
Amnion
Yolk sac
Allantois
Related Questions
During human embryonic development, the formation of the primitive streak marks a crucial step. Which of the following statements regarding the primitive streak is INCORRECT?
It marks the beginning of gastrulation.
It defines the embryo's axes.
It is the source of mesoderm and endoderm.
It persists throughout development.
Which of the following processes occurs when leaf mesophyll cells in tissue culture revert to an undifferentiated callus?
Differentiation
Redifferentiation
Dedifferentiation
Organogenesis
I. Increased vacuolation
II. Cell enlargement
III. New cell wall deposition
Which of the above are the characteristics of phase of elongation?
Choose the correct option accordingly
I and II
II and III
I and III
I, II and III
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
Which of the following exhibits the least plasticity?
Glass
Copper
Steel
Gold
The cells proximal (just next away from the tip) to the meristematic zone represents the phase of
Division
Maturation
Elongation
Meristematic division
Differentiation in plants is open because
Cells/tissue arising out of meristem regain the capacity of division under certain conditions
Cells/tissue arising out of different meristem have different structures at maturity
Cells/tissue arising out of different meristem have same structures at maturity
All of the above
Development includes (plants)
I. Differentiation
II. Redifferentiation
III. Dedifferentiation
Select the right combination from the given option
I and II
II and III
III and I
I, II and III
I. Plasmatic growth
II. Differentiation
III. Maturation
IV. Senescence
Identify the correct sequence of the following events occurring in plants and choose the correct option accordingly
I → II → III → IV
I → II → IV → III
IV → III → II → I
IV → I → II → III
Which process is demonstrated by the formation of interfascicular cambium from fully differentiated parenchyma cells?
Differentiation
Redifferentiation
Cell elongation
Dedifferentiation
