Top 80+ Solved Bacterial Growth MCQ Questions Answer
Q. The principle in microbiological assays is
a. At certain range the concentration of growth factor will bear a linear relationship to the amount of nutrients added
b. Concentration of growth factor have a linear relationship with the growth of the organism
c. Both a and b
d. None of the above
Q. If the source of energy for bacteria is fromchemical compounds they are said to be
a. Phototrophs
b. Autotrophs
c. Chemotrophs
d. Chemolithotroph
Q. In the synthesis of cell components themajor element required is
a. Nitrogen
b. Sulphur
c. Carbon
d. Oxygen
Q. For the formation of cell-components theelements required are
a. Nitrogen
b. Oxygen
c. Sulphur
d. All of these
Q. For the synthesis of amino acids cysteine, cystine and methionine the element required is
a. Sulphur
b. Oxygen
c. Nitrogen
d. None of these
Q. Sulphur can be utilized by bacteria in theform of
a. Organic compounds
b. Inorganic compounds
c. Elemental compounds
d. All of the above
Q. Phosphorous is an essential componentof
a. Nucleotides
b. Nucleic acids
c. Phospholipids and Heichoic acids
d. All the above
Q. Trace elements are
a. Zn+2, Cu+2, Mn+2
b. MO6+, Ni2+, B3+ and CO2+
c. Both a and b
d. None of these
Q. The vitamin required for Lactobacillusspecies is
a. Riboflavin
b. Niacin
c. Pyridoxine
d. Folic acid
Q. Vitamin K is necessary for the species
a. Lactobacillus spp.
b. Bacillus anthracis
c. Bacteroides melaninogenicus
d. All of these
Q. The bacteria which are able to grow at 0°C but which grow at 20°C to 30°C, are known as
a. Psychrophiles
b. Facultative psychrophiles
c. Average psychrophiles
d. Mesophiles
Q. The orderly increase in the quantity of allthe cellular components is known as
a. Reproduction
b. Growth
c. Binary fission
d. None of these