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 … Read more

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.

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 … Read more

During rainy season Wooden doors are difficult to open or closure because of ________ ?

A. Plasmolysis B. Imbibition C. Osmosis D. Diffusion Wooden door and wooden frame expand during rainy season. On expansion, the door and its frame get misaligned. Hence, doors made of wood are difficult to open or close during the rainy season. Imbibition is a special type of diffusion that takes place when water is absorbed … Read more