In the manufacture of Banaspati ghee, which gas is used?
A. Nitrogen
B. Hydrogen
C. Helium
D. None of these
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Nitrogenous wastes excreted through urine in human is:
A. Urea
B. Ammonia
C. Uric acid
D. None of these
Correct Answer: A
Humans and most other mammals produce urea as the nitrogenous waste, which is filtered out from the blood by kidneys and excreted out.
An ordinary mobile phone communicates by using:
A. Microwaves
B. Radio waves
C. Infrared waves
D. None of these
Correct Answer: B
The largest gland in the human body is:
A. Heart
B. Kidney
C. Liver
D. None of these
Correct Answer: C
The Pineal gland is the smallest gland in the human body.
The escape of water molecules from surface is called:
A. Sublimation
B. Condensation
C. Evaporation
D. None of these
Correct Answer: C
The color which we see when our eyes are closed?
A. Eigengrau
B. Grey
C. Black
D. None of these
Correct Answer: A
The colour you see when you close your eyes is not black. It’s lighter than black and is called Eigengrau.
Heating element of an electric heater is made up of which metal?
A. Lead
B. Tungsten
C. Nichrome
D. None of these
Correct Answer: C
Nichrome is a metal alloy made up of around 20 percent of chromium and 80 percent nickel. Nichrome has a high melting point and it won’t oxidise at higher temperature