Everyday Science MCQs

A. Crude oil B. Biomass C. Coal D. Carbohydrates

A. Rice B. Wheat C. Cotton D. Oilseed Bt stands for Bacillus thuringiensis – a soil bacterium which contains a toxic gene called Bt gene. The aim is to make the cotton crop resistant to bollworm.. The cotton incorporated the cry1Ac gene from the soil bacterium Bacillus thuringiensis (Bt), making the cotton toxic to bollworms. … Read more

A. Audiosonic B. Infrasonic C. Ultrasonic D. Supersonic Sounds with frequencies below 20 hertz are called infrasound. Infrasound is too low-pitched for humans to hear. Sounds with frequencies above 20,000 hertz are called ultrasound.

A. 1300-3000A B. 3900-7600A C. 7800-8000A D. None of these

A. Communication B. Weaving C. Food indudtry D. None of these Optical fibers are used most often as a means to transmit light between the two ends of the fiber and find wide usage in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data transfer rates) than electrical cables.

A. Petrol B. Kerosene C. Gasoline D. Diesel

A. Water B. Mercury C. Ether D. Alcohol

A. Moesley B. Chadwick C. Frank Whittle D. Casimir Funk The discovery of the vitamins was a major scientific achievement in our understanding of health and disease. In 1912, Casimir Funk originally coined the term “vitamine”.

A. Lungs B. Liver C. Heart D. Kidneys The kidneys act as filters for your body. Their job is to remove toxins or waste products from your blood. If toxins build up in your blood, you will eventually die. Other jobs performed by the kidneys: They keep the right amount of water in the body. … Read more

A. Left ventricle B. Right ventricle C. Right auricle D. Left auricle The aorta begins at the top of the left ventricle, the heart’s muscular pumping chamber. The heart pumps blood from the left ventricle into the aorta through the aortic valve