A. Light
B. Energy
C. Waves
D. None of these
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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.
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.
Cooking gas is also called:
A. Butane
B. Propane
C. Hexane
D. None of these
Correct Answer: A
Cooking gas is also known as liquified Petroleum Gas (LPG), is a mixture of propane and butane. It is better suited to indoor use, and fuelling appliances like portable gas heaters and single-burner cooking stoves.
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.
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.