.Q1)) Electromagnetic radiation is not effective in killing micro organisms if ______are used.
A) Ultraviolet rays
B) Gamma or X rays
C) Short wavelengths
D) Longer wavelength light
Q2)) The turbidiostat is?
A)The doubling time of bacteria.
B) A type of incubators for fastidious bacteria.
C) Continuous culture system.
D) A batch culture
Q3))) All Algae are
A- Unicellular organisms
B- Multicellular organisms
C-Autotrophic organisms
D-Heterotrophic organisms