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Pure Cultures
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Question 1 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER] |
Which of the following is a function of cryoprotective agents?
for long-term preservation of cultures | |
prevents cell damage due to ice crystal formation | |
prevents formation of ice | |
to trap the liquid nitrogen |
Question 2 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER] |
Roll-tube technique is used to isolate .....
aerobes | |
anaerobes | |
facultatives | |
stringent anaerobes |
Question 3 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER] |
Which device is used to pick a single bacterial cell from a mixed culture?
microscope | |
micropipette | |
microprobe | |
micromanipulator |
Question 4 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER] |
Nichrome loop wire is used in which of the following techniques?
Pour-plate | |
Streak-plate | |
Spread-plate | |
Roll-tube technique |
Question 5 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER] |
Which of the following are not performed in lyophilization?
agar slant is covered with mineral oil | |
cell suspension is frozen at -60 degree to -78 degree C | |
vials are connected to high-vacuum line | |
bacterial sample is dehydrated |
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There are 5 questions to complete.