Everyday Science Mcqs

Optic fibers are mainly used for which of the following:

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Optic fibers are mainly used for which of the following:

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.

Sound of frequency below 20 Hz is:___________?

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Sound of frequency below 20 Hz is:___________?

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.

Bt seed is associated with:___________?

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Bt seed is associated with:___________?

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. It is a cheaper alternative to Bt cotton hybrid seed.

Ageusia is the loss of which sense?

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Ageusia is the loss of which sense?

A. Taste
B. Smell
C. Memory
D. Sight
E. Listening

Ageusia is the loss of taste functions of the tongue, particularly the inability to detect sweetness, sourness, bitterness, saltiness, and umami (meaning “pleasant/savory taste”). It is sometimes confused with anosmia – a loss of the sense of smell.