Top 250+ Solved Bacteria and Gram Staining MCQ Questions Answer

From 91 to 105 of 263

Q. Cows can digest straw because they contain

a. Cellulose hydrolyzing microorganisms

b. Protein hydrolyzing bacteria

c. Lipid hydrolyzing microorganisms

d. Amino acid degrading bacteria

  • a. Cellulose hydrolyzing microorganisms

Q. The nucleus controls protein synthesis inthe cytoplasm by sending

a. Chromatin

b. A DNA template

c. m RNA molecule

d. A pecialized protein

  • c. m RNA molecule

Q. The site of energy production in a cell

a. Micro body

b. Chromosome

c. Ribosome

d. Mitochondria

  • d. Mitochondria

Q. Thylakoid is present in

a. Mitochondria

b. Chloroplast

c. ER

d. Golgi apparatus

  • b. Chloroplast

Q. Which one of the following bacteria has found extensive use in genetic engineering work in plants?

a. Clostridum septicum

b. Xanthomonas oriza

c. Bacillus coagulens

d. Agrobacterium tumefaciens

  • d. Agrobacterium tumefaciens

Q. Maximum application of animal cell culture technology today is in the production of

a. Insulin

b. Interferons

c. Vaccines

d. Edible proteins

  • c. Vaccines

Q. Bacterial ribosomes are composed of

a. Protein and DNA

b. Protein and mRNA

c. Protein and rRNA

d. Protein and tRNA

  • c. Protein and rRNA

Q. The potorespiration involves

a. Calvin cycle

b. Hatch-Slack cycle

c. Glycolate cycle

d. Kreb’s cycle

  • c. Glycolate cycle

Q. Bioleaching is done by

a. Protozoa

b. Bacteria

c. Algae

d. All of the above

  • b. Bacteria

Q. Inclusion bodies diagnostic of rabies arecalled

a. Elementary bodie

b. Pascheur bodies

c. Negri bodies

d. Guarnieri bodies

  • c. Negri bodies

Q. The major role of minor elements insideliving organisms is to act as

a. Co-factors of enzymes

b. Building blocks of important amino acids

c. Constituents of hormones

d. Binder of cell structure

  • a. Co-factors of enzymes

Q. The apparatus used to ma inta in a continuous culture

a. Chemostat

b. Autostat

c. Thermostat

d. Both a and c

  • a. Chemostat

Q. The test used to detect the deaminationof the amino acids by bacteria

a. Nessler’s reagent test

b. Proteolytic test

c. Lactose test

d. Rose aindole reagent test

  • a. Nessler’s reagent test

Q. Diphtheria is caused by

a. Corynebacterium

b. Staphylococcus

c. Streptococcus

d. None of these

  • a. Corynebacterium
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