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WorksheetsLearn Fest 2025 Day 2 Quiz 28 January 2025
Total questions: 20
Worksheet time: 10mins
What piece supports the body tube and is also used to transport the microscope from one place to another, along with the base?
Arm
Stage
Aperture
Objective
What piece is the platform that supports the microscope slide?
Base
Diaphragm
Stage Clips
Stage
What piece is a larger knob usually found on either the body tube or the arm and it is used to focus the image under low power?
Aperture
Fine Adjustment Knob
Diaphragm
Course Adjustment Know
In order for our microscopes to work, what must be able to pass through the object we are looking at on the slide?
light
air
water
fire
What is the magnification of the eyepiece?
5x
10x
40x
100x
Which part of the compound microscope is responsible for controlling the light intensity?
Light control
Iris diaphragm lever
Coarse adjustment knob
Mechanical stage controls
What is the purpose of the coarse adjustment knob on a compound microscope?
To fine-tune the focus
To adjust the height of the condenser
To make large adjustments to the focus
To control the light intensity
Which part of the compound microscope holds the slide in place?
Arm
Stage
Base
Ocular lenses
What is the process of staining bacteria to make them visible under a microscope?
Gram staining
Acid-fast staining
Endospore staining
Simple staining
What is used as gelling agar in culture media?
Nutrient agar
Blood agar
Agar
MacConkey agar
What is the method used for inoculating the solid media for obtaining isolated colonies?
Pour plate method
Dilution method
Spread plate method
Streaking method
What is the need for isolation of bacteria?
To understand the genetic makeup of bacteria
To identify the bacteria causing human disease
To study the growth requirements of bacteria
To determine the antibiotic resistance of bacteria
What is the optimum temperature most bacteria require to grow?
40°C
37°C
30°C
25°C
What is the purpose of using a selective media for bacterial isolation?
To encourage the growth of all types of bacteria
To inhibit the growth of certain types of bacteria
To provide essential nutrients for bacterial growth
To identify the antibiotic resistance of bacteria
What is the primary purpose of streaking for isolation in microbiology?
To obtain a pure culture of bacteria
To identify the bacteria causing human disease
To study the growth requirements of bacteria
To determine the antibiotic resistance of bacteria
