For uniform staining reaction, morphology and biochemical activity it is advisable to study bacterial cultures during the_____________?

Related Mcqs:

1. Which of the following structures, found external to the bacterial cell wall, are involved in bacterial attachment to cell surfaces?

   A. Capsule
   B. Flagella
   C. Pili
   D. Mesosomes

2. Silver impregnation method of staining is useful to demonstrate_____________?

   A. Bacterial flagella
   B. Spirochetes
   C. Both of the above
   D. None of the above

3. Negative staining is used to demonstrate________________?

   A. Bacterial spore
   B. Bacterial Flagella
   C. Bacterial capsule
   D. Bacterial fimbriae

4. One of the following staining methods is an example of negative staining_______________?

   A. Gram’s staining
   B. Fontana’s staining
   C. India ink preparation
   D. Zheil-Neilson’s staining

5. A cerebrospinal fluid of a 2 years old child has been sent to the laboratory to detect the presence of capsulated yeast. The staining technique most commonly employed for the purpose is______________?

   A. India ink preparation
   B. Methanamine silver stain
   C. Ziehl-Neelsen stain
   D. Pyte-ferraco stain

6. Osteoblasts appear basic gram staining due to______________?

   A. Increased ribonucleic acid
   B. Acidic ground substance
   C. Increased mitochondria
   D. Presence of basic ground substance

7. Zero growth rate is observed during one of the phase of the bacterial growth curve______________?

   A. Lag
   B. Exponential growth
   C. Stationary phase
   D. Decline

8. Using occlusal morphology as guide , the Mandibular third molar is most similar to______________?

   A. Maxillary permanent first molar
   B. Mandibular permanent first molar
   C. Mandibular permanent second molar
   D. Mandibular decidous second molar

9. Iodine is primarily important in the biochemical synthesis of______________?

   A. ACTH
   B. Thyroxine
   C. Adrenaline
   D. Calcitonin

10. Biochemical abnormality associated with osteogenesis imperfecta is increase in______________?

    A. Alkaline phosphatase
    B. Acid phosphatase
    C. Bicarbonate ion
    D. Phosphorylase enzyme