Which of the following gas is used in refrigerator for cooling?
A. Methane
B. Ammonia
C. Nitrogen
D. None of these
Junior Auditor Paper held on 08-07-2023
Junior Auditor Past Paper 08-07-2023
Which instrument is used to measure the oxygen level of the blood?
A. Thermometer
B. Oximeter
C. Spirometer
D. None of these
Which type of vitamin is useful for human body through Sun?
A. Vitamin D
B. Vitamin A
C. Vitamin B
D. None of these
Which of the following lens are useful in microscope?
A. Convex lens
B. Concave lens
C. curved lens
D. None of these
The instrument used to measure the rainfall is:
A. Barometer
B. Hydrometer
C. Convex lens
D. None of these
Which light is more important for photosynthesis?
A. Violet light
B. Red light
C. Green light
D. None of these