Everyday Science Mcqs

Botany is also called _______ ?

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Botany is also called _______ ?

A. Phytology
B. Phycology
C. Pedology
D. Plantophyta

Botany is the study of plants. … It is a branch of biology, and is also called plant biology. It is sometimes called phytology. Scientists who study botany are called botanists

What is the photometer?

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What is the photometer?A. Testing picture Quality
B. Measuring light Intensity
C. Measuring Size of Picture
D. Checking colors and Pictures

A photometer is an instrument that measures the strength of electromagnetic radiation in the range from ultraviolet to infrared and including the visible spectrum. Most photometers convert light into an electric current using a photoresistor, photodiode, or photomultiplier. Photometers measure: Illuminance. Irradiance.

 

The only vitamin which can not be stored in human body?

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The only vitamin which can not be stored in human body?

A. Vitamin C
B. vitamin D
C. vitamin K
D. None of these

B-complex vitamins and vitamin C are water-soluble vitamins that are not stored in the body and must be replaced each day. These vitamins are easily destroyed or washed out during food storage and preparation.
The fat-soluble vitamins — A, D, E, and K — dissolve in fat and can be stored in your body. The water-soluble vitamins — C and the B-complex vitamins (such as vitamins B6, B12, niacin, riboflavin, and folate) — need to dissolve in water before your body can absorb them.

What is the scientific name of flying fish ?

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What is the scientific name of flying fish ?

A. Exocoetidae
B. Anoplopoma fimbria
C. Orthopsetta sordida
D. Xiphias gladius

The term Exocoetidae is both the scientific name and the general name in Latin for a flying fish. The suffix -idae, common for indicating a family, follows the root of the Latin word exocoetus, a transliteration of the Ancient Greek name ἐξώκοιτος.

The human heart is _______ ?

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The human heart is _______ ?

A. Ampullary Heart
B. Pulsating Heart
C. Myogenic Heart
D. Neurogenic Heart

Hearts are of several types. In some invertebrates the heart is simulated by the nervous system to do its work. Such hearts are called Neurogenic hearts. The Human heart is myogenic. i.e, it receives the stimuli for contraction from the muscular node called sinu-auricular node or pace maker.
Myogenicis the term used for muscles or tissues that can contract on their own, without any external electrical stimulus, from the brain or sal cord forexample. Anexample of this phenomena is actually present in our kidneys to regulate the flow of blood in vessels. Another example is the human heart.