In balanced growth phase of a cell,
P. All components of a cell grow at the same rate.
Q. Specific growth determined by cell number or cell mass would be the same.
R. The growth rate is independent of substrate concentration.
S. The growth rate decreases with decreasing substrate concentration.
A. P, Q and S only
B. Q, R and S only
C. P, Q and R only
D. P only
Answer: Option B
P Q S would be right answer. R and S are contradictory sentences. And balanced growth means all the components of cell grow at same rate.