Sail E0 Webinar

MCQs

Total Questions : 137 | Page 7 of 14 pages
Question 61. In pour-plate method,the medium should be maintained at what temperature?
  1.    37 degree C
  2.    67 degree C
  3.    45 degree C
  4.    0 degree C
 Discuss Question
Answer: Option C. -> 45 degree C
Answer: (c).45 degree C
Question 62. Treponema sp. can be selected by taking advantage of ____________
  1.    small cell size
  2.    motility
  3.    dilute media
  4.    small cell diameter and bacterial motility
 Discuss Question
Answer: Option D. -> small cell diameter and bacterial motility
Answer: (d).small cell diameter and bacterial motility
Question 63. Which of the following method can be used to determine the number of bacteria quantitatively?
  1.    Streak-plate
  2.    Spread-plate
  3.    Pour plate
  4.    Pour-plate and spread plate
 Discuss Question
Answer: Option D. -> Pour-plate and spread plate
Answer: (d).Pour-plate and spread plate
Question 64. Dilution of the mixed culture is a common step in all the three methods: the streak-plate,the spread-plate and the pour-plate technique.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 65. Which of the following are not performed in lyophilization?
  1.    agar slant is covered with mineral oil
  2.    cell suspension is frozen at -60 degree to -78 degree C
  3.    vials are connected to high-vacuum line
  4.    bacterial sample is dehydrated
 Discuss Question
Answer: Option A. -> agar slant is covered with mineral oil
Answer: (a).agar slant is covered with mineral oil
Question 66. What is the temperature of liquid nitrogen?
  1.    -120 degree C
  2.    0 degree C
  3.    -150 degree C
  4.    -196 degree C
 Discuss Question
Answer: Option D. -> -196 degree C
Answer: (d).-196 degree C
Question 67. Which of the following is a function of cryoprotective agents?
  1.    for long-term preservation of cultures
  2.    prevents cell damage due to ice crystal formation
  3.    prevents formation of ice
  4.    to trap the liquid nitrogen
 Discuss Question
Answer: Option B. -> prevents cell damage due to ice crystal formation
Answer: (b).prevents cell damage due to ice crystal formation
Question 68. Nichrome loop wire is used in which of the following techniques?
  1.    Pour-plate
  2.    Streak-plate
  3.    Spread-plate
  4.    Roll-tube technique
 Discuss Question
Answer: Option B. -> Streak-plate
Answer: (b).Streak-plate
Question 69. The National Collection of Type Cultures is situated in ____________
  1.    France
  2.    England
  3.    Germany
  4.    Japan
 Discuss Question
Answer: Option B. -> England
Answer: (b).England
Question 70. Which of the following has a larger diameter?
  1.    well-separated colonies
  2.    crowded colonies
  3.    young colonies
  4.    old colonies
 Discuss Question
Answer: Option A. -> well-separated colonies
Answer: (a).well-separated colonies

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

DSP Combined 1 Free Revision Test SAIL JO E-0
GPOE / GPA Combined 1 Free Revision Test SAIL JO E-0
BSP Plant Specific Review Test SAIL JO E-0
BSL Combined 1 Free Revision Test SAIL JO E-0
GFM Combined 1 Free Revision Test SAIL JO E-0