Font size
WorksheetsLab techniques (1st term)
Total questions: 25
Worksheet time: 15mins
What does ELISA stand for?
Enzyme-Linked Immunosorbent Assay
Electron-Linked Immunological Analysis
Endocrine-Linked Immune System Activation
Enzymatic Lymphocyte Inhibition and Stimulation Assay
Which of the following is a key component of the ELISA technique?
Patient serum sample
Microplates with wells
Antibodies
All of them
What does the term "CBC" stand for?
Complete Blood Circulation
Complete Blood Count
Complete Blood Chemistry
Complete Blood Coagulation
Which of the following is not typically included in a CBC test?
Hemoglobin
Platelet count
Liver enzymes
White blood cell count
True or False: A CBC test can provide information about the body's immune system.
True
False
Platelet count is a measure of the number of red blood cells in the body.
True
False
Which is not used in a microbiological study?
Petri dishes
Agar plates
Incubator
Burette
Which equipment is used to precipitate DNA during the DNA extraction process?
Microplate reader
Centrifuge
Micropipette
Fragment analyzer
We use isopropanol in the DNA extraction
True
False
What is the purpose of the streak plate method in microbiology?
To sterilize the bacterial samples
To isolate individual bacterial colonies
To identify the species of bacteria
To count the total number of bacteria
Which instrument is used to maintain a sterile work material in the lab?
Microscope
Autoclave
Centrifuge
Micropipettes
What is the primary purpose of Gram staining in microbiology?
To determine the size of bacterial cells
To identify the shape of bacterial cells
To differentiate between Gram-positive and Gram-negative bacteria
To measure the motility of bacterial cells
The Gram-staining technique is used to differentiate bacteria based on their cell wall composition.
True
False
The incubator is used to speed up the growth of bacterial cultures by providing optimal temperature and environmental conditions.
True
False
What is the purpose of using an indicator in a titration experiment?
To neutralize the solution because it can be dangerous
To measure the volume of the whole solution
To determine the endpoint of the titration reaction
To increase the rate and the temperature of the reaction
Which piece of equipment is used to deliver a precise volume of a solution in a titration?
Erlenmeyer flask
Burette
Eppendorf tubes
Microscope
What is the purpose of a karyotype?
To analyze gene expression
To visualize an individual's complete set of chromosomes
To study protein synthesis
To determine blood type
G-banding is an important lab material used in Karyotyping
True
False
The first step in DNA extraction is cell lysis
True
False
What can examining the structure of chromosomes reveal?
Blood type
Abnormalities like translocations and deletions
Hair color
Eye color
A normal human cell typically contains 23 chromosomes.
True
False
What is this?
(a)
What is this?
(a)
What is this?
(a)
What is this?
(a)
