Why is the flat end of a sterile toothpick used to scrape the inside s – InterviewSolution

1.	Why is the flat end of a sterile toothpick used to scrape the inside surface of the cheek ?A. To prevent injury and infectionB. To get more cellsC. To avoid salivaD. All of these
Answer» Correct Answer - A

Discussion

No Comment Found

Related InterviewSolutions

Acid rain isA. Basic.B. acidicC. neutralD. none of these
The pH of lemon juice isA. `2.5`B. `3.5`C. ` 4.1`D. `6.5`
Which of the following is an alkali ?A. Ferrous hydroxideB. Copper hydroxideC. Zinc hydroxideD. Sodium hydroxide
The valency of copper in `CuSO_(4) . 5H_(2)O ` isA. 1B. 3C. 2D. 0
The valency of copper in `CuSO_(4)*5H_(2)O` isA. 1B. 3C. 2D. 0
Name a compound of copper in which copper shows the valency of 1 .
When rain is acccompanied by lightning , the rainwater which is collected will have the pH valueA. lower than rainwater without lightningB. higher than rainwater without lightningC. unchangedD. none of the above
Which of the following ions can turn red litmus solution blue ?A. `H^(+)`B. `OH^(-)`C. `CI^(+)`D. ` O^(2-)`
Why does lemon juice turn blue litmus solution red ?
Why does the uncovered portion of the leaf turn blue-black after putting iodine solution on it ?