6. Which of the following growth regulator is used to stimulate embryo or shoot development?
A. Auxins
B. Cytokinins
C. Gibberellins
D. Brassinosteroids
7. Which of the following growth regulator cause plant cells to grow?
A. Auxins
B. Cytokinins
C. Gibberellins
D. Brassinosteroids
8. Silver thiosulphate is added to the culture medium as it helps to
A. maintain the pH
B. remove toxic phenolics from plant cells
C. prevent the gaseous plant hormone, ethylene dioxide from accumulating to detrimental condition.
D. all of the above
9. In-plant cell culture media, auxins, and cytokinins are used in the range of
A. l-50μM
B. 50-100μM
C. 100-125μM
D. more than 125μM
10. The concentration of sucrose generally used in plant cell culture media is
A. 10-15 g/l
B. 20-30 g/l
C. 40-50 g/l
D. 60-70 g/l