Answer: (d) Membrane at the top
Explanation:
Pellicle: surface membrane produced by organisms floating on top of the medium. Sediment: organisms that sink to the bottom. Uniform fine turbidity: cloudy. Flocculent: Organisms that clump/suspended pieces or chunks.
(2) Other important factors apart from
physical growth too include would be the growth medium, incubation temperature and atmosphere (aerobic or anaerobic). Growth medium,incubation temperatureandatmosphere(aerobicoranaerobic).
