Both TGF β and Sonic hedgehog signals play important roles in both neurulation and cell-fate patterning of the neural tube. Which one of the following statements is true? (1) High […]
Tag: CSIR NET Life Science Previous Year Questions and Solution on Morphogenesis and Organogenesis in Animals
CSIR NET Life Science Previous Year Questions and Solution on Morphogenesis and Organogenesis in Animals
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CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Understanding What Is Not True About Lateral Inhibition in Cell Differentiation
In many different contexts of cell differentiation, two distinct cell populations emerge from a uniform cell population. This process is referred to as lateral inhibition. Which one of the following […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Key Processes in Neural Tube Formation: Role of Primary and Secondary Neurulation, Sonic Hedgehog, and Mammalian Development
Transforming the neural plate into a neural tube is an important event towards the formation of central nervous system, in which the following sub-events might take place: A. In primary […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Comprehensive Overview of Primary and Secondary Neurulation in Vertebrate Neural Tube Formation
Given below are some of the statements in connection with neural tube formation in vertebrates: A. In primary neurulation the cells surrounding the neural plate direct the neural plate cells […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Primary and Secondary Neurulation in Vertebrate Brain Development
In two major ways the neural plate is converted into a neural tube, primary neurulation and secondary neurulation. A. In primary neurulation, a hollow neural tube is formed. B. In […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Compensatory Regeneration: Differentiated Cell Division Without Dedifferentiation
A type of regeneration in which the differentiated cells divide, maintaining their differentiated function without dedifferentiation and production of undifferentiated mass, is known as (1) Epimorphosis (2) Morphallaxis (3) Compensatory […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Understanding Types of Regeneration: Compensatory, Stem Cell-Mediated, Morphallaxis, and Epimorphosis
Given below are some of the statements regarding regeneration: A. The type of regeneration characteristic of mammalian liver is considered as compensatory regeneration. B. Regrowth of hair shaft from follicular […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Correct Statements About Regeneration in Various Organisms
Following statements were made regarding regeneration in different organisms: A. The regenerating blastema cells in amphibians retain their specification even when they dedifferentiate. B. A transgenic Hydra when made to […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Clonogenic Neoblasts and Planarian Regeneration: An Example of Stem Cell-Mediated Epimorphosis
Clonogenic neoblasts are involved in planarian (flatworm) regeneration. This is an example of: (1) epimorphosis (2) morphallaxis (3) stem cell-mediated regeneration (4) compensatory regeneration Planarians, a group of flatworms, exhibit […]
CSIR NET Life Science Previous Year Questions and Solution on Development Biology
Effects of Global β-Catenin Overexpression in Hydra: Induction of Ectopic Buds and Axes
In case of Hydra, the major head inducer of the hypostome organizer is a set of Wnt proteins acting through the canonical β- catenin pathway. What would be the result, […]
