Nitrogenous wastes excreted through urine in human is:
A. Urea
B. Ammonia
C. Uric acid
D. None of these
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Alternative current (AC) is converted into direct current (DC) by using a:
A. Generator
B. Rectifier
C. Voltmeter
D. None of these
Correct Answer: B
Direct current (DC) is converted into alternating current (AC) by using a Inverter.
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 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.
Kidney stone is caused due to:
A. Sulfur dioxide
B. Aluminum oxide
C. Calcium oxalate
D. None of these
Correct Answer: C
Some foods that contain high levels of oxalate include: peanuts, spinach, chocolate , Beets and sweet potatoes. Moderating intake of these foods may be beneficial for people who form calcium oxalate stones.
The escape of water molecules from surface is called:
A. Sublimation
B. Condensation
C. Evaporation
D. None of these
Correct Answer: C
An ordinary mobile phone communicates by using:
A. Microwaves
B. Radio waves
C. Infrared waves
D. None of these
Correct Answer: B