- Store the image formed by the object lens
- Reduce the size of the image formed by the object lens
- Blur the image formed by the objective lens
- Magnifies the image formed by the objective lens
- D
Health Department
All Health Department Solved Current and Past Papers are included in this portion of ETEST Academy’s Website. All MCQs of Health Department Papers are completely solved with detailed answers.
Which of the following can be used to measure height above the sea level?
- SLM
- Thermometer
- Altimeter
- Aneroid Barometer
- C
-
Altimeter was invented by a French Physicist Louis Paul.
When acid and alkali are mixed, they produce salt this process is known as:
- Acidification
- Neutralization
- Ammonification
- Nitrification
- B
Naturally tannic acid is present in:
- Sour Milk
- Vinegar
- Tea
- Soya Sauce
- C
-
Tannic is a weak acid.
Tannic Acid is found in deferent fruits, vegetables, nuts and tea.
Air pressure decreases with:
- Decrease in height
- Increase in height
- Vapor Pressure
- Increase in temperature
- B
Which of the following area around the equator receives the more heat from the sun?
- Arctic
- Polar
- Temperature
- Tropical
- B
During reading the scale, if eye is not placed directly opposite to the scale then the measurement will be incorrect. This is called:
- Parallax Error
- Zero Error
- Mencius Error
- Inaccuracy
- A
-
An instrument error is called Zero Error.
Biometric strip is made up of:
- Silver and Iron
- Iron and Steel
- Copper and Brass
- Aluminum and Steel
- C
-
Biometric strip is made up ot Steel and Copper.
Biometric strip is made up of Steel and Brass.
Biometric strip is made up of Copper and Brass.
In back of the lens, ____ is located.
- Iris
- Retina
- Ciliary Muscles
- Cornea
- B
-
Image of the object is formed in front of lens.
Which of the following salts is used in plaster of Paris?
- Ammonium Chloride
- Calcium Sulfate
- Sodium Chloride
- Potassium Nitrate
- B
-
Calcium Sulfate is chemical name of Plaster of Paris.
Plaster of Paris is synthesized from gypsum.
Gypsum is heated at 373K to get Calcium Sulfate.
