Self Evaluation

Q1. Callus is defined as:
A    Undifferentiated mass of young growing cells
B    Mass of cells
C    Differentiated mass of young growing cells
D    Young tissue of plant

Q2. Auxins and cytokinins are added in plant growth media:
A    In a defined ratio to avoid neither the root growth nor shoot growth
B    In any ratio
C    Cytokinins concentration is greater than auxins
D    None of the above is true

Q3. For quantification of growth in plant cell cultivation:
A    Cell mass is measured
B    Packed cell volume is measured
C    Conductivity measurement is done
D    Any of the above can be done

Q4. The advantage of plant cell cultivation are:
A    In-vitro production
B    Production independent of geographical regions
C    Production independent of climatic conditions
D    All of the above

Q5. The plant cells are shear sensitive:
A    Due to tough cell wall
B    Due to large size
C    both a & b
D    None of the above

Q6. The plant cells form aggregate:
A    due to excretion of extracellular polysaccharides
B    due to typical medium characteristics
C    due to cultivation conditions used
D    none of the above

Q7. The product formation in plant cell culture:
A    is usually intracellular
B    is usually extracellular
C    either of the above
D    none of the above

Q8. The product accumulation in plant cell culture:
A    can be enhanced by addition of elicitors
B    can be enhanced by addition of precursors
C    Both A & B
D    none of the above

Q9. Permeabilization of plant cell:
A    Is essential to leach out the product and allow the cells to metabolize further
B    Kills the cells
C    Is a reversible process whereby pores of cell wall are increased to leach out the
            products
D    Both A & C

Q10. Statistical media design features complex:
A    Interaction of high and low concentrations of effectors
B    Interaction of only high concentrations of effectors.
C    Development of medium recipe with minimum no of experiments
D    Both a and c