Tag: dbt jrf 2019

167. Which one of the following contributes to the development of the reproductive tract in a male foetus? (1) Anti-diuretic hormone (2) Inhibin (3) Anti-Mullerian hormone (4) Activin The Role […]

166. Ameloblasts are differentiated cells: (1) that secrete amylase (2) of amygdala (3) of adrenal gland (4) that secrete enamel Ameloblasts: Specialized Cells Responsible for Enamel Formation Ameloblasts are highly […]

165. In Drosophila, the growth of legs on the head instead of antennae during development is an example of: (1) Homeotic transformation (2) Epigenetic modification (3) Chromosomal aberrations (4) Dysgenesis […]

164. The taxonomic method of identifying an organism to its species is: (1) Genetic speciation (2) DNA barcoding (3) RFLP (4) AFLP DNA Barcoding for Species Identification: A Powerful Taxonomic […]

163. Metaplasia represents: (1) Uncontrolled proliferation of cells initiated at the metaphase of cell cycle (2) Transformation of one differentiated cell type to another (3) Cell proliferation during metamorphosis (4) […]

162. A chimeric organism is generated when: (1) Cells of different genetic constitution appear in the same organism (2) Union of two different genomes occur within a cell (3) A […]

160. Ig class specific antigenic determinants are known as: (1) Allotypic determinants (2) Isotypic determinants (3) Idiotypic determinants (4) Gm determinants Ig Class-Specific Antigenic Determinants Antigenic determinants are regions on […]

159. Secondary immune response to a hapten depends on the: (1) Hapten immunization alone (2) Carrier immunization alone (3) Both hapten and carrier used in the primary immunization (4) Hapten […]

158. Allergenicity of a protein refers to its capacity to activate: (1) Mast cells (2) B cells (3) Dendritic cells (4) M cells What Does Allergenicity of a Protein Mean? […]

157. Antigen activated B cells differentiate into antibody producing plasma cells in: (1) Lymphoid follicles (2) Hassall’s corpuscles (3) Lamina propria (4) Phagosome Antigen-Activated B Cells and Their Differentiation into […]