The archenteron in a developing gastrula will eventually give rise to which structure in the adult organism?
Neural tube
Notochord
Digestive tract
Coelom
Related Questions
Which of the following is NOT a characteristic of the lag phase in a bacterial growth curve?
Intense metabolic activity
Rapid cell division
Adaptation to the environment
Increase in cell size
The process of development of fruits without fertilization is called:
Polyembryony
Apomixis
Parthenogenesis
Parthenocarpy
S-shaped or sigmoid growth curve have
I. lag phase
II. log phase
III. stationary phase
IV. diminishing growth phase
Select the correct option
All except IV
All except III
All except II
I, II, III and IV
Plants follow …A… pathways in response to environment or phases of life to form different kind of structures. This ability is called …B… Complete the given statement with the correct combination of options
A-same; B-elasticity
A-elasticity; B-same
A-different; B-plasticity
A-same; B-plasticity
Which extraembryonic membrane in mammals is involved in the formation of the placenta?
Amnion
Yolk sac
Allantois
Chorion
Which of the following processes occurs when leaf mesophyll cells in tissue culture revert to an undifferentiated callus?
Differentiation
Redifferentiation
Dedifferentiation
Organogenesis
Which plant hormone promotes seed dormancy?
Gibberellin
Auxin
Cytokinin
Abscisic acid (ABA)
When transition from juvenile to adult is gradual than this type of development is called
Homoblastic development
Heteroblastic development
Homoheteroblastic development
Hetero and homoblastic development
The process by which cells loose their specialisation is called
Dedifferentiation
Differentiation
Transdifferentiation
Apoptosis
Which one is the example of dedifferentiation?
Procambium and vascular cambium
Cork cambium and interfasicular cambium
Cork cambium and vascular cambium
Procambium and cork cambium
