Biotechnology Detecting Microbes

Which kingdom is;
Prokaryotic
Heterotrophic
Unicellular
Motile

• Plant

• Animal

• Bacteria

• Fungi 

Penicillin is a chemical released by which type of organism?

• Insect

• Mould

• Virus

• Bacteria

Which technique is commonly used in biotechnology to detect specific DNA sequences of microbes?

• Polymerase Chain Reaction (PCR)

• Gel Electrophoresis

• Western Blotting

• Spectrophotometry

What is the role of a probe in microbial detection using DNA hybridization?

• To amplify the DNA

• To separate DNA strands

• To bind to a specific DNA sequence

• To cut DNA at specific sites

Which of the following is a real-world application of detecting microbes using biotechnology?

• Developing antibiotics

• Creating genetically modified crops

• Diagnosing infectious diseases

• Producing biofuels

Tags

NGSS.HS-ETS1-3

In a microbial detection experiment, what does a positive result in an ELISA test indicate?

• Presence of antibodies

• Presence of antigens

• Absence of microbes

• Absence of antibodies

Which of the following methods is used to detect RNA viruses in a sample?

• Northern Blotting

• Southern Blotting

• RT-PCR

• CRISPR-Cas9

What is the purpose of using a control sample in a microbial detection experiment?

• To increase the sensitivity of the test

• To provide a standard for comparison

• To enhance the specificity of the test

• To reduce the cost of the experiment

Which type of microorganism can be detected using Gram staining?

• Viruses

• Bacteria

• Fungi

• Protozoa

What is the principle behind the use of fluorescent markers in detecting microbes?

• They bind to proteins

• They emit light upon binding to target molecules

• They change color in the presence of microbes

• They increase the temperature of the sample