Library Sciences MCQs
1. What is the purpose of the streak plate method in microbiology? A) To count colony-forming units B) To determine bacterial motility C) To isolate pure bacterial colonies D) To measure bacterial growth rate Answer: C) To isolate pure bacterial colonies 2. Which staining technique is used to differentiate between Gram-positive and Gram-negative bacteria? A) … Read more
1. Which technique is used to amplify a specific DNA sequence in molecular biology? A) PCR B) Western blotting C) ELISA D) Gel electrophoresis Answer: A) PCR 2. What is the purpose of gel electrophoresis in molecular biology? A) To amplify DNA B) To separate DNA fragments based on size C) To measure gene expression … Read more
1. Which of the following is NOT a basic safety precaution in the laboratory? A) Wearing appropriate personal protective equipment B) Eating and drinking in the lab C) Understanding emergency procedures D) Properly labeling chemicals and samples Answer: B) Eating and drinking in the lab 2. What is the purpose of a fume hood in … Read more
1. Which laboratory technique is used to separate proteins based on their size and charge? A) Polymerase Chain Reaction (PCR) B) Western Blotting C) Gel Electrophoresis D) Chromatography Answer: C) Gel Electrophoresis 2. What is the purpose of a spectrophotometer in a laboratory? A) To measure pH levels B) To determine the concentration of substances … Read more
1. What does GMO stand for in the context of biotechnology? A) Genetically Modified Organisms B) Greenhouse Gas Monitoring Organization C) Genetic Mutation Oversight D) Genomic Modification Operations Answer: A) Genetically Modified Organisms 2. Which regulatory body is responsible for overseeing biotechnology and GMOs in the United States? A) FDA (Food and Drug Administration) B) … Read more
1. What is bioethics? A) The study of biological systems B) The study of ethical issues related to healthcare, life sciences, and biotechnology C) The study of animal behavior D) The study of environmental ethics Answer: B) The study of ethical issues related to healthcare, life sciences, and biotechnology 2. Which of the following is … Read more
What is ethics? A) A set of laws governing professional conduct B) Principles that guide moral behavior and decision-making C) A code of conduct specific to a profession D) Rules for personal financial management Answer: B) Principles that guide moral behavior and decision-making Why is ethical behavior important in professional practice? A) It ensures legal … Read more
1. What is data analysis? A) Storing data in databases B) Extracting useful information from data C) Generating random data sets D) Securing data from unauthorized access Answer: B) Extracting useful information from data 2. Which of the following is NOT a step in the data analysis process? A) Data collection B) Data cleaning C) … Read more
1. What is programming? A) Writing instructions for a computer to perform tasks B) Designing hardware components C) Managing networks D) Analyzing data Answer: A) Writing instructions for a computer to perform tasks 2. Which of the following is NOT a programming language? A) Python B) Java C) HTML D) SQL Answer: C) HTML 3. … Read more
1. Which of the following data structures uses a Last In, First Out (LIFO) strategy? A) Queue B) Stack C) Linked List D) Binary Tree Answer: B) Stack 2. What is the binary equivalent of the decimal number 10? A) 1010 B) 1001 C) 1111 D) 1100 Answer: A) 1010 3. Which of the following … Read more